{"meta":{"N":"trigonometric functions","S":"天儿","LA":"天儿","MA":"天儿","C":"科学狂想曲","A":"3949AB","G1":"3949AB","G2":"1976D2","O":"https://music.163.com/#/song?id=34380194","P":"0501/avatar","X":"2F3FA1"},"lyrics":[{"id":-1,"type":"lyrics","ac":"--","n":"pre","premark":true,"display":true,"title":false,"in":[{"id":-1,"ts":"0","c":"- - - - - - -"}]},{"id":0,"type":"lyrics","ac":"N<sub>1</sub>","n":"段落1","display":true,"title":true,"in":[{"id":0,"ts":104,"c":"when you first study math about 1234"},{"id":1,"ts":1610612736,"c":"当你初学数学中的1234"},{"id":2,"ts":130,"c":"first study equation about xyzt"},{"id":3,"ts":1610612736,"c":"初学方程中的XYZT"},{"id":4,"ts":151,"c":"It will help you to think in a logical way"},{"id":5,"ts":1610612736,"c":"它将帮助你进行逻辑思考"},{"id":6,"ts":169,"c":"When you sing sine,cosine,cosine,tangent"},{"id":7,"ts":1610612736,"c":"当你唱起正弦，余弦，余弦，正切"},{"id":8,"ts":192,"c":"Sine,cosine,tangent,cotangent"},{"id":9,"ts":1610612736,"c":"正弦，余弦，正切，余切"},{"id":10,"ts":213,"c":"Sine,cosine,..,secant,cosecant"},{"id":11,"ts":1610612736,"c":"正弦，余弦，正割，余割"},{"id":12,"ts":235,"c":"Let's sing a song about trig-functions"},{"id":13,"ts":1610612736,"c":"让我们唱起三角函数的歌谣吧"}]},{"id":1,"type":"lyrics","ac":"N<sub>2</sub>","n":"段落2","display":true,"title":true,"in":[{"id":14,"ts":260,"c":"sin(2π+α) = sinα"},{"id":15,"ts":1610612736,"c":"sin(2π+α) = sinα"},{"id":16,"ts":278,"c":"cos(2π+α) = cosα"},{"id":17,"ts":1610612736,"c":"cos(2π+α) = cosα"},{"id":18,"ts":299,"c":"tan(2π+α) = tanα"},{"id":19,"ts":1610612736,"c":"tan(2π+α) = tanα"},{"id":20,"ts":320,"c":"which is induction formula1,and induction formula 2"},{"id":21,"ts":1610612736,"c":"这是诱导公式归类1，下面是诱导公式归类2"},{"id":22,"ts":342,"c":"sin(π+α) = -sinα"},{"id":23,"ts":1610612736,"c":"sin(π+α) = -sinα"},{"id":24,"ts":366,"c":"cos(π+α) = -cosα"},{"id":25,"ts":1610612736,"c":"cos(π+α) = -cosα"},{"id":26,"ts":387,"c":"tan(π+α) = tanα"},{"id":27,"ts":1610612736,"c":"tan(π+α) = tanα"},{"id":28,"ts":406,"c":"sin(π－α) = sinα"},{"id":29,"ts":1610612736,"c":"sin(π－α) = sinα"},{"id":30,"ts":427,"c":"cos(π－α) = -cosα"},{"id":31,"ts":1610612736,"c":"cos(π－α) = -cosα"},{"id":32,"ts":450,"c":"tan(π－α) = -tanα"},{"id":33,"ts":1610612736,"c":"tan(π－α) = -tanα"},{"id":34,"ts":470,"c":"These are all those \"name donot -change\""},{"id":35,"ts":1610612736,"c":"这些均为“函数名不变”"}]},{"id":2,"type":"lyrics","ac":"N<sub>3</sub>","n":"段落3","display":true,"title":true,"in":[{"id":36,"ts":493,"c":"As pi goes to half pi the difference shall be huge"},{"id":37,"ts":1610612736,"c":"当π成为π/2是变化会很大"},{"id":38,"ts":515,"c":"sin(π/2+α) = cosα"},{"id":39,"ts":1610612736,"c":"sin(π/2+α) = cosα"},{"id":40,"ts":534,"c":"cos(π/2-α) = sinα"},{"id":41,"ts":1610612736,"c":"cos(π/2-α) = sinα"},{"id":42,"ts":555,"c":"sin(π/2-α) = cosα"},{"id":43,"ts":1610612736,"c":"sin(π/2-α) = cosα"},{"id":44,"ts":577,"c":"cos(π/2+α) = -sinα"},{"id":45,"ts":1610612736,"c":"cos(π/2+α) = -sinα"},{"id":46,"ts":599,"c":"tan(π/2+α) = -cotα"},{"id":47,"ts":1610612736,"c":"tan(π/2+α) = -cotα"},{"id":48,"ts":621,"c":"tan(π/2-α) = cotα"},{"id":49,"ts":1610612736,"c":"tan(π/2-α) = cotα"}]},{"id":3,"type":"lyrics","ac":"N<sub>4</sub>","n":"段落4","display":true,"title":true,"in":[{"id":50,"ts":684,"c":"That is to say the odds will change, evens are conserved"},{"id":51,"ts":1610612736,"c":"这就是说 ：奇变偶不变"},{"id":52,"ts":727,"c":"The notations that they get depend on where they are"},{"id":53,"ts":1610612736,"c":"符号看象限"},{"id":54,"ts":767,"c":"But no matter where you are, I've gotta say that"},{"id":55,"ts":1610612736,"c":"但不论你在哪，我将会说"},{"id":56,"ts":813,"c":"If you were my sine curve,I'd be your cosine curve"},{"id":57,"ts":1610612736,"c":"你若为正弦曲线，我愿做余弦曲线"},{"id":58,"ts":858,"c":"I'll be your derivative,you'll be my negtive one"},{"id":59,"ts":1610612736,"c":"我将为你的导数，你将为我负导数"},{"id":60,"ts":898,"c":"As you change you amplitude,I change my phase"},{"id":61,"ts":1610612736,"c":"当你改变振幅，我改变相位"},{"id":62,"ts":939,"c":"We can oscillate freely in the external space"},{"id":63,"ts":1610612736,"c":"我们可在外界空间自由震荡"},{"id":64,"ts":984,"c":"As we change our period and costant at hand"},{"id":65,"ts":1610612736,"c":"当我们改变周期和手边常数"},{"id":66,"ts":1025,"c":"We travel from the origin to infinity"},{"id":67,"ts":1610612736,"c":"我们从原点驶向无尽"}]},{"id":4,"type":"lyrics","ac":"N<sub>5</sub>","n":"段落5","display":true,"title":true,"in":[{"id":68,"ts":1067,"c":"It's you sine,and you cosine"},{"id":69,"ts":1610612736,"c":"是你，正弦，余弦"},{"id":70,"ts":1111,"c":"Who make charming music around the world"},{"id":71,"ts":1610612736,"c":"创造了世间动人的音乐"},{"id":72,"ts":1153,"c":"It's you tangent,cotangent"},{"id":73,"ts":1610612736,"c":"是你，正切，余切"},{"id":74,"ts":1195,"c":"Who proclaim the true meaning of centrosymmetry"},{"id":75,"ts":1610612736,"c":"揭示了中心对称的真谛"}]},{"id":5,"type":"lyrics","ac":"--","n":"间奏","display":true,"title":true,"in":[{"id":76,"ts":1242,"c":"- - - - - - -"}]},{"id":6,"type":"lyrics","ac":"N<sub>6</sub>","n":"段落6","display":true,"title":true,"in":[{"id":77,"ts":1667,"c":"You wanna measure width of a river,height of a tower"},{"id":78,"ts":1610612736,"c":"你想测量河宽及塔高"},{"id":79,"ts":1692,"c":"You scratch your head which cost you more than an hour"},{"id":80,"ts":1610612736,"c":"你抓耳挠腮一个多小时也想不出"},{"id":81,"ts":1712,"c":"You don't need to ask any \"gods\" or \"master\" for help"},{"id":82,"ts":1610612736,"c":"你无需向dalao们请教"},{"id":83,"ts":1735,"c":"This group of formulas are gonna help you solve"},{"id":84,"ts":1610612736,"c":"这一组公式将帮你解决"},{"id":85,"ts":1756,"c":"sin(α+β) = sinα•cosβ + cosα•sinβ"},{"id":86,"ts":1610612736,"c":"sin(α+β) = sinα•cosβ + cosα•sinβ"},{"id":87,"ts":1790,"c":"cos(α+β) = cosα•cosβ - sinα•sinβ"},{"id":88,"ts":1610612736,"c":"cos(α+β) = cosα•cosβ - sinα•sinβ"},{"id":89,"ts":1822,"c":"tan(α+β) = (tanα + tanβ) / (1 - tanα•tanβ)"},{"id":90,"ts":1610612736,"c":"tan(α+β) = (tanα + tanβ) / (1 - tanα•tanβ)"},{"id":91,"ts":1860,"c":"sin(α-β) = sinα•cosβ - cosα•sinβ"},{"id":92,"ts":1610612736,"c":"sin(α-β) = sinα•cosβ - cosα•sinβ"},{"id":93,"ts":1898,"c":"cos(α-β) = cosα•cosβ + sinα•sinβ"},{"id":94,"ts":1610612736,"c":"cos(α-β) = cosα•cosβ + sinα•sinβ"},{"id":95,"ts":1929,"c":"tan(α-β) = (tanα - tanβ) / (1 + tanα•tanβ)"},{"id":96,"ts":1610612736,"c":"tan(α-β) = (tanα - tanβ)/(1 + tanα•tanβ)"},{"id":97,"ts":1978,"c":"As you come across a right triangle you fell easy to sovle"},{"id":98,"ts":1610612736,"c":"当你遇到直角三角形很容易解"},{"id":99,"ts":2003,"c":"But an obtuse triange's gonna make you feel confused"},{"id":100,"ts":1610612736,"c":"但钝角三角形使你感到困惑"},{"id":101,"ts":2025,"c":"Don't worry about what you do"},{"id":102,"ts":1610612736,"c":"无须担心"},{"id":103,"ts":2038,"c":"There are always means to solve"},{"id":104,"ts":1610612736,"c":"总有解决方法"},{"id":105,"ts":2047,"c":"As long as you master the sine cosine law"},{"id":106,"ts":1610612736,"c":"只要你掌握了正余弦定理"}]},{"id":7,"type":"lyrics","ac":"N<sub>7</sub>","n":"段落7","display":true,"title":true,"in":[{"id":107,"ts":2096,"c":"At this momnet I've got nothing to say"},{"id":108,"ts":1610612736,"c":"此刻我无以言表"},{"id":109,"ts":2139,"c":"As trig-functions rain down upon me"},{"id":110,"ts":1610612736,"c":"当时三角函数犹雨点般落向我"},{"id":111,"ts":2184,"c":"At this moment I've got nothing to say"},{"id":112,"ts":1610612736,"c":"此刻我无以言表"},{"id":113,"ts":2225,"c":"Let's sing a song about trig-functions"},{"id":114,"ts":1610612736,"c":"让我们唱起三角函数歌谣吧"},{"id":115,"ts":2267,"c":"Long live the trigonometric functions"},{"id":116,"ts":1610612736,"c":"三角函数万岁"}]},{"id":8,"type":"final","ts":2335,"display":false}],"timestamps":{"0":[-1,-1],"104":[0,0],"1610612736":[7,116],"130":[0,2],"151":[0,4],"169":[0,6],"192":[0,8],"213":[0,10],"235":[0,12],"260":[1,14],"278":[1,16],"299":[1,18],"320":[1,20],"342":[1,22],"366":[1,24],"387":[1,26],"406":[1,28],"427":[1,30],"450":[1,32],"470":[1,34],"493":[2,36],"515":[2,38],"534":[2,40],"555":[2,42],"577":[2,44],"599":[2,46],"621":[2,48],"684":[3,50],"727":[3,52],"767":[3,54],"813":[3,56],"858":[3,58],"898":[3,60],"939":[3,62],"984":[3,64],"1025":[3,66],"1067":[4,68],"1111":[4,70],"1153":[4,72],"1195":[4,74],"1242":[5,76],"1667":[6,77],"1692":[6,79],"1712":[6,81],"1735":[6,83],"1756":[6,85],"1790":[6,87],"1822":[6,89],"1860":[6,91],"1898":[6,93],"1929":[6,95],"1978":[6,97],"2003":[6,99],"2025":[6,101],"2038":[6,103],"2047":[6,105],"2096":[7,107],"2139":[7,109],"2184":[7,111],"2225":[7,113],"2267":[7,115],"2335":[-2,-2]}}
--------TxmpSwitchDataBoundary--------
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--------TxmpSwitchDataBoundary--------

<div class="para" id="para--1"><p class="lrc-item lrc-wap-title" id="lrc--1" data-time="0"><span class="lrcline-id">0</span><span class="lrc-text" id="lrc-text--1" data-time="0">trigonometric functions<br /><span class="lrc-wap-title-singer">天儿</span></span></p></div><div class="para" id="para-0"><p class="para-title"><span class="para-title-text">[段落1 N<sub>1</sub>]</span></p><p class="lrc-item" id="lrc-0" data-time="104"><span class="lrcline-id">1</span><span class="lrc-text" id="lrc-text-0" data-time="104">when you first study math about 1234</span></p><p class="lrc-item" id="lrc-1" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-1" data-time="1610612736"><i style="opacity:0.7!important;">当你初学数学中的1234</i></span></p><p class="lrc-item" id="lrc-2" data-time="130"><span class="lrcline-id">2</span><span class="lrc-text" id="lrc-text-2" data-time="130">first study equation about xyzt</span></p><p class="lrc-item" id="lrc-3" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-3" data-time="1610612736"><i style="opacity:0.7!important;">初学方程中的XYZT</i></span></p><p class="lrc-item" id="lrc-4" data-time="151"><span class="lrcline-id">3</span><span class="lrc-text" id="lrc-text-4" data-time="151">It will help you to think in a logical way</span></p><p class="lrc-item" id="lrc-5" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-5" data-time="1610612736"><i style="opacity:0.7!important;">它将帮助你进行逻辑思考</i></span></p><p class="lrc-item" id="lrc-6" data-time="169"><span class="lrcline-id">4</span><span class="lrc-text" id="lrc-text-6" data-time="169">When you sing sine,cosine,cosine,tangent</span></p><p class="lrc-item" id="lrc-7" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-7" data-time="1610612736"><i style="opacity:0.7!important;">当你唱起正弦，余弦，余弦，正切</i></span></p><p class="lrc-item" id="lrc-8" data-time="192"><span class="lrcline-id">5</span><span class="lrc-text" id="lrc-text-8" data-time="192">Sine,cosine,tangent,cotangent</span></p><p class="lrc-item" id="lrc-9" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-9" data-time="1610612736"><i style="opacity:0.7!important;">正弦，余弦，正切，余切</i></span></p><p class="lrc-item" id="lrc-10" data-time="213"><span class="lrcline-id">6</span><span class="lrc-text" id="lrc-text-10" data-time="213">Sine,cosine,..,secant,cosecant</span></p><p class="lrc-item" id="lrc-11" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-11" data-time="1610612736"><i style="opacity:0.7!important;">正弦，余弦，正割，余割</i></span></p><p class="lrc-item" id="lrc-12" data-time="235"><span class="lrcline-id">7</span><span class="lrc-text" id="lrc-text-12" data-time="235">Let's sing a song about trig-functions</span></p><p class="lrc-item" id="lrc-13" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-13" data-time="1610612736"><i style="opacity:0.7!important;">让我们唱起三角函数的歌谣吧</i></span></p></div><div class="para" id="para-1"><p class="para-title"><span class="para-title-text">[段落2 N<sub>2</sub>]</span></p><p class="lrc-item" id="lrc-14" data-time="260"><span class="lrcline-id">8</span><span class="lrc-text" id="lrc-text-14" data-time="260">sin(2π+α) = sinα</span></p><p class="lrc-item" id="lrc-15" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-15" data-time="1610612736"><i style="opacity:0.7!important;">sin(2π+α) = sinα</i></span></p><p class="lrc-item" id="lrc-16" data-time="278"><span class="lrcline-id">9</span><span class="lrc-text" id="lrc-text-16" data-time="278">cos(2π+α) = cosα</span></p><p class="lrc-item" id="lrc-17" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-17" data-time="1610612736"><i style="opacity:0.7!important;">cos(2π+α) = cosα</i></span></p><p class="lrc-item" id="lrc-18" data-time="299"><span class="lrcline-id">10</span><span class="lrc-text" id="lrc-text-18" data-time="299">tan(2π+α) = tanα</span></p><p class="lrc-item" id="lrc-19" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-19" data-time="1610612736"><i style="opacity:0.7!important;">tan(2π+α) = tanα</i></span></p><p class="lrc-item" id="lrc-20" data-time="320"><span class="lrcline-id">11</span><span class="lrc-text" id="lrc-text-20" data-time="320">which is induction formula1,and induction formula 2</span></p><p class="lrc-item" id="lrc-21" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-21" data-time="1610612736"><i style="opacity:0.7!important;">这是诱导公式归类1，下面是诱导公式归类2</i></span></p><p class="lrc-item" id="lrc-22" data-time="342"><span class="lrcline-id">12</span><span class="lrc-text" id="lrc-text-22" data-time="342">sin(π+α) = -sinα</span></p><p class="lrc-item" id="lrc-23" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-23" data-time="1610612736"><i style="opacity:0.7!important;">sin(π+α) = -sinα</i></span></p><p class="lrc-item" id="lrc-24" data-time="366"><span class="lrcline-id">13</span><span class="lrc-text" id="lrc-text-24" data-time="366">cos(π+α) = -cosα</span></p><p class="lrc-item" id="lrc-25" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-25" data-time="1610612736"><i style="opacity:0.7!important;">cos(π+α) = -cosα</i></span></p><p class="lrc-item" id="lrc-26" data-time="387"><span class="lrcline-id">14</span><span class="lrc-text" id="lrc-text-26" data-time="387">tan(π+α) = tanα</span></p><p class="lrc-item" id="lrc-27" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-27" data-time="1610612736"><i style="opacity:0.7!important;">tan(π+α) = tanα</i></span></p><p class="lrc-item" id="lrc-28" data-time="406"><span class="lrcline-id">15</span><span class="lrc-text" id="lrc-text-28" data-time="406">sin(π－α) = sinα</span></p><p class="lrc-item" id="lrc-29" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-29" data-time="1610612736"><i style="opacity:0.7!important;">sin(π－α) = sinα</i></span></p><p class="lrc-item" id="lrc-30" data-time="427"><span class="lrcline-id">16</span><span class="lrc-text" id="lrc-text-30" data-time="427">cos(π－α) = -cosα</span></p><p class="lrc-item" id="lrc-31" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-31" data-time="1610612736"><i style="opacity:0.7!important;">cos(π－α) = -cosα</i></span></p><p class="lrc-item" id="lrc-32" data-time="450"><span class="lrcline-id">17</span><span class="lrc-text" id="lrc-text-32" data-time="450">tan(π－α) = -tanα</span></p><p class="lrc-item" id="lrc-33" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-33" data-time="1610612736"><i style="opacity:0.7!important;">tan(π－α) = -tanα</i></span></p><p class="lrc-item" id="lrc-34" data-time="470"><span class="lrcline-id">18</span><span class="lrc-text" id="lrc-text-34" data-time="470">These are all those "name donot -change"</span></p><p class="lrc-item" id="lrc-35" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-35" data-time="1610612736"><i style="opacity:0.7!important;">这些均为“函数名不变”</i></span></p></div><div class="para" id="para-2"><p class="para-title"><span class="para-title-text">[段落3 N<sub>3</sub>]</span></p><p class="lrc-item" id="lrc-36" data-time="493"><span class="lrcline-id">19</span><span class="lrc-text" id="lrc-text-36" data-time="493">As pi goes to half pi the difference shall be huge</span></p><p class="lrc-item" id="lrc-37" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-37" data-time="1610612736"><i style="opacity:0.7!important;">当π成为π/2是变化会很大</i></span></p><p class="lrc-item" id="lrc-38" data-time="515"><span class="lrcline-id">20</span><span class="lrc-text" id="lrc-text-38" data-time="515">sin(π/2+α) = cosα</span></p><p class="lrc-item" id="lrc-39" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-39" data-time="1610612736"><i style="opacity:0.7!important;">sin(π/2+α) = cosα</i></span></p><p class="lrc-item" id="lrc-40" data-time="534"><span class="lrcline-id">21</span><span class="lrc-text" id="lrc-text-40" data-time="534">cos(π/2-α) = sinα</span></p><p class="lrc-item" id="lrc-41" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-41" data-time="1610612736"><i style="opacity:0.7!important;">cos(π/2-α) = sinα</i></span></p><p class="lrc-item" id="lrc-42" data-time="555"><span class="lrcline-id">22</span><span class="lrc-text" id="lrc-text-42" data-time="555">sin(π/2-α) = cosα</span></p><p class="lrc-item" id="lrc-43" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-43" data-time="1610612736"><i style="opacity:0.7!important;">sin(π/2-α) = cosα</i></span></p><p class="lrc-item" id="lrc-44" data-time="577"><span class="lrcline-id">23</span><span class="lrc-text" id="lrc-text-44" data-time="577">cos(π/2+α) = -sinα</span></p><p class="lrc-item" id="lrc-45" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-45" data-time="1610612736"><i style="opacity:0.7!important;">cos(π/2+α) = -sinα</i></span></p><p class="lrc-item" id="lrc-46" data-time="599"><span class="lrcline-id">24</span><span class="lrc-text" id="lrc-text-46" data-time="599">tan(π/2+α) = -cotα</span></p><p class="lrc-item" id="lrc-47" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-47" data-time="1610612736"><i style="opacity:0.7!important;">tan(π/2+α) = -cotα</i></span></p><p class="lrc-item" id="lrc-48" data-time="621"><span class="lrcline-id">25</span><span class="lrc-text" id="lrc-text-48" data-time="621">tan(π/2-α) = cotα</span></p><p class="lrc-item" id="lrc-49" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-49" data-time="1610612736"><i style="opacity:0.7!important;">tan(π/2-α) = cotα</i></span></p></div><div class="para" id="para-3"><p class="para-title"><span class="para-title-text">[段落4 N<sub>4</sub>]</span></p><p class="lrc-item" id="lrc-50" data-time="684"><span class="lrcline-id">26</span><span class="lrc-text" id="lrc-text-50" data-time="684">That is to say the odds will change, evens are conserved</span></p><p class="lrc-item" id="lrc-51" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-51" data-time="1610612736"><i style="opacity:0.7!important;">这就是说 ：奇变偶不变</i></span></p><p class="lrc-item" id="lrc-52" data-time="727"><span class="lrcline-id">27</span><span class="lrc-text" id="lrc-text-52" data-time="727">The notations that they get depend on where they are</span></p><p class="lrc-item" id="lrc-53" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-53" data-time="1610612736"><i style="opacity:0.7!important;">符号看象限</i></span></p><p class="lrc-item" id="lrc-54" data-time="767"><span class="lrcline-id">28</span><span class="lrc-text" id="lrc-text-54" data-time="767">But no matter where you are, I've gotta say that</span></p><p class="lrc-item" id="lrc-55" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-55" data-time="1610612736"><i style="opacity:0.7!important;">但不论你在哪，我将会说</i></span></p><p class="lrc-item" id="lrc-56" data-time="813"><span class="lrcline-id">29</span><span class="lrc-text" id="lrc-text-56" data-time="813">If you were my sine curve,I'd be your cosine curve</span></p><p class="lrc-item" id="lrc-57" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-57" data-time="1610612736"><i style="opacity:0.7!important;">你若为正弦曲线，我愿做余弦曲线</i></span></p><p class="lrc-item" id="lrc-58" data-time="858"><span class="lrcline-id">30</span><span class="lrc-text" id="lrc-text-58" data-time="858">I'll be your derivative,you'll be my negtive one</span></p><p class="lrc-item" id="lrc-59" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-59" data-time="1610612736"><i style="opacity:0.7!important;">我将为你的导数，你将为我负导数</i></span></p><p class="lrc-item" id="lrc-60" data-time="898"><span class="lrcline-id">31</span><span class="lrc-text" id="lrc-text-60" data-time="898">As you change you amplitude,I change my phase</span></p><p class="lrc-item" id="lrc-61" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-61" data-time="1610612736"><i style="opacity:0.7!important;">当你改变振幅，我改变相位</i></span></p><p class="lrc-item" id="lrc-62" data-time="939"><span class="lrcline-id">32</span><span class="lrc-text" id="lrc-text-62" data-time="939">We can oscillate freely in the external space</span></p><p class="lrc-item" id="lrc-63" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-63" data-time="1610612736"><i style="opacity:0.7!important;">我们可在外界空间自由震荡</i></span></p><p class="lrc-item" id="lrc-64" data-time="984"><span class="lrcline-id">33</span><span class="lrc-text" id="lrc-text-64" data-time="984">As we change our period and costant at hand</span></p><p class="lrc-item" id="lrc-65" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-65" data-time="1610612736"><i style="opacity:0.7!important;">当我们改变周期和手边常数</i></span></p><p class="lrc-item" id="lrc-66" data-time="1025"><span class="lrcline-id">34</span><span class="lrc-text" id="lrc-text-66" data-time="1025">We travel from the origin to infinity</span></p><p class="lrc-item" id="lrc-67" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-67" data-time="1610612736"><i style="opacity:0.7!important;">我们从原点驶向无尽</i></span></p></div><div class="para" id="para-4"><p class="para-title"><span class="para-title-text">[段落5 N<sub>5</sub>]</span></p><p class="lrc-item" id="lrc-68" data-time="1067"><span class="lrcline-id">35</span><span class="lrc-text" id="lrc-text-68" data-time="1067">It's you sine,and you cosine</span></p><p class="lrc-item" id="lrc-69" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-69" data-time="1610612736"><i style="opacity:0.7!important;">是你，正弦，余弦</i></span></p><p class="lrc-item" id="lrc-70" data-time="1111"><span class="lrcline-id">36</span><span class="lrc-text" id="lrc-text-70" data-time="1111">Who make charming music around the world</span></p><p class="lrc-item" id="lrc-71" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-71" data-time="1610612736"><i style="opacity:0.7!important;">创造了世间动人的音乐</i></span></p><p class="lrc-item" id="lrc-72" data-time="1153"><span class="lrcline-id">37</span><span class="lrc-text" id="lrc-text-72" data-time="1153">It's you tangent,cotangent</span></p><p class="lrc-item" id="lrc-73" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-73" data-time="1610612736"><i style="opacity:0.7!important;">是你，正切，余切</i></span></p><p class="lrc-item" id="lrc-74" data-time="1195"><span class="lrcline-id">38</span><span class="lrc-text" id="lrc-text-74" data-time="1195">Who proclaim the true meaning of centrosymmetry</span></p><p class="lrc-item" id="lrc-75" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-75" data-time="1610612736"><i style="opacity:0.7!important;">揭示了中心对称的真谛</i></span></p></div><div class="para" id="para-5"><p class="para-title"><span class="para-title-text">[间奏 --]</span></p><p class="lrc-item lrc-interval-item lrc-interval" id="lrc-76" data-time="1242"><span class="lrcline-id">39</span><span class="lrc-text" id="lrc-text-76" data-time="1242">- - - - - - -</span></p></div><div class="para" id="para-6"><p class="para-title"><span class="para-title-text">[段落6 N<sub>6</sub>]</span></p><p class="lrc-item" id="lrc-77" data-time="1667"><span class="lrcline-id">40</span><span class="lrc-text" id="lrc-text-77" data-time="1667">You wanna measure width of a river,height of a tower</span></p><p class="lrc-item" id="lrc-78" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-78" data-time="1610612736"><i style="opacity:0.7!important;">你想测量河宽及塔高</i></span></p><p class="lrc-item" id="lrc-79" data-time="1692"><span class="lrcline-id">41</span><span class="lrc-text" id="lrc-text-79" data-time="1692">You scratch your head which cost you more than an hour</span></p><p class="lrc-item" id="lrc-80" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-80" data-time="1610612736"><i style="opacity:0.7!important;">你抓耳挠腮一个多小时也想不出</i></span></p><p class="lrc-item" id="lrc-81" data-time="1712"><span class="lrcline-id">42</span><span class="lrc-text" id="lrc-text-81" data-time="1712">You don't need to ask any "gods" or "master" for help</span></p><p class="lrc-item" id="lrc-82" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-82" data-time="1610612736"><i style="opacity:0.7!important;">你无需向dalao们请教</i></span></p><p class="lrc-item" id="lrc-83" data-time="1735"><span class="lrcline-id">43</span><span class="lrc-text" id="lrc-text-83" data-time="1735">This group of formulas are gonna help you solve</span></p><p class="lrc-item" id="lrc-84" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-84" data-time="1610612736"><i style="opacity:0.7!important;">这一组公式将帮你解决</i></span></p><p class="lrc-item" id="lrc-85" data-time="1756"><span class="lrcline-id">44</span><span class="lrc-text" id="lrc-text-85" data-time="1756">sin(α+β) = sinα•cosβ + cosα•sinβ</span></p><p class="lrc-item" id="lrc-86" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-86" data-time="1610612736"><i style="opacity:0.7!important;">sin(α+β) = sinα•cosβ + cosα•sinβ</i></span></p><p class="lrc-item" id="lrc-87" data-time="1790"><span class="lrcline-id">45</span><span class="lrc-text" id="lrc-text-87" data-time="1790">cos(α+β) = cosα•cosβ - sinα•sinβ</span></p><p class="lrc-item" id="lrc-88" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-88" data-time="1610612736"><i style="opacity:0.7!important;">cos(α+β) = cosα•cosβ - sinα•sinβ</i></span></p><p class="lrc-item" id="lrc-89" data-time="1822"><span class="lrcline-id">46</span><span class="lrc-text" id="lrc-text-89" data-time="1822">tan(α+β) = (tanα + tanβ) / (1 - tanα•tanβ)</span></p><p class="lrc-item" id="lrc-90" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-90" data-time="1610612736"><i style="opacity:0.7!important;">tan(α+β) = (tanα + tanβ) / (1 - tanα•tanβ)</i></span></p><p class="lrc-item" id="lrc-91" data-time="1860"><span class="lrcline-id">47</span><span class="lrc-text" id="lrc-text-91" data-time="1860">sin(α-β) = sinα•cosβ - cosα•sinβ</span></p><p class="lrc-item" id="lrc-92" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-92" data-time="1610612736"><i style="opacity:0.7!important;">sin(α-β) = sinα•cosβ - cosα•sinβ</i></span></p><p class="lrc-item" id="lrc-93" data-time="1898"><span class="lrcline-id">48</span><span class="lrc-text" id="lrc-text-93" data-time="1898">cos(α-β) = cosα•cosβ + sinα•sinβ</span></p><p class="lrc-item" id="lrc-94" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-94" data-time="1610612736"><i style="opacity:0.7!important;">cos(α-β) = cosα•cosβ + sinα•sinβ</i></span></p><p class="lrc-item" id="lrc-95" data-time="1929"><span class="lrcline-id">49</span><span class="lrc-text" id="lrc-text-95" data-time="1929">tan(α-β) = (tanα - tanβ) / (1 + tanα•tanβ)</span></p><p class="lrc-item" id="lrc-96" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-96" data-time="1610612736"><i style="opacity:0.7!important;">tan(α-β) = (tanα - tanβ)/(1 + tanα•tanβ)</i></span></p><p class="lrc-item" id="lrc-97" data-time="1978"><span class="lrcline-id">50</span><span class="lrc-text" id="lrc-text-97" data-time="1978">As you come across a right triangle you fell easy to sovle</span></p><p class="lrc-item" id="lrc-98" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-98" data-time="1610612736"><i style="opacity:0.7!important;">当你遇到直角三角形很容易解</i></span></p><p class="lrc-item" id="lrc-99" data-time="2003"><span class="lrcline-id">51</span><span class="lrc-text" id="lrc-text-99" data-time="2003">But an obtuse triange's gonna make you feel confused</span></p><p class="lrc-item" id="lrc-100" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-100" data-time="1610612736"><i style="opacity:0.7!important;">但钝角三角形使你感到困惑</i></span></p><p class="lrc-item" id="lrc-101" data-time="2025"><span class="lrcline-id">52</span><span class="lrc-text" id="lrc-text-101" data-time="2025">Don't worry about what you do</span></p><p class="lrc-item" id="lrc-102" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-102" data-time="1610612736"><i style="opacity:0.7!important;">无须担心</i></span></p><p class="lrc-item" id="lrc-103" data-time="2038"><span class="lrcline-id">53</span><span class="lrc-text" id="lrc-text-103" data-time="2038">There are always means to solve</span></p><p class="lrc-item" id="lrc-104" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-104" data-time="1610612736"><i style="opacity:0.7!important;">总有解决方法</i></span></p><p class="lrc-item" id="lrc-105" data-time="2047"><span class="lrcline-id">54</span><span class="lrc-text" id="lrc-text-105" data-time="2047">As long as you master the sine cosine law</span></p><p class="lrc-item" id="lrc-106" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-106" data-time="1610612736"><i style="opacity:0.7!important;">只要你掌握了正余弦定理</i></span></p></div><div class="para" id="para-7"><p class="para-title"><span class="para-title-text">[段落7 N<sub>7</sub>]</span></p><p class="lrc-item" id="lrc-107" data-time="2096"><span class="lrcline-id">55</span><span class="lrc-text" id="lrc-text-107" data-time="2096">At this momnet I've got nothing to say</span></p><p class="lrc-item" id="lrc-108" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-108" data-time="1610612736"><i style="opacity:0.7!important;">此刻我无以言表</i></span></p><p class="lrc-item" id="lrc-109" data-time="2139"><span class="lrcline-id">56</span><span class="lrc-text" id="lrc-text-109" data-time="2139">As trig-functions rain down upon me</span></p><p class="lrc-item" id="lrc-110" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-110" data-time="1610612736"><i style="opacity:0.7!important;">当时三角函数犹雨点般落向我</i></span></p><p class="lrc-item" id="lrc-111" data-time="2184"><span class="lrcline-id">57</span><span class="lrc-text" id="lrc-text-111" data-time="2184">At this moment I've got nothing to say</span></p><p class="lrc-item" id="lrc-112" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-112" data-time="1610612736"><i style="opacity:0.7!important;">此刻我无以言表</i></span></p><p class="lrc-item" id="lrc-113" data-time="2225"><span class="lrcline-id">58</span><span class="lrc-text" id="lrc-text-113" data-time="2225">Let's sing a song about trig-functions</span></p><p class="lrc-item" id="lrc-114" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-114" data-time="1610612736"><i style="opacity:0.7!important;">让我们唱起三角函数歌谣吧</i></span></p><p class="lrc-item" id="lrc-115" data-time="2267"><span class="lrcline-id">59</span><span class="lrc-text" id="lrc-text-115" data-time="2267">Long live the trigonometric functions</span></p><p class="lrc-item" id="lrc-116" data-time="1610612736"><span class="lrcline-id">~</span><span class="lrc-text" id="lrc-text-116" data-time="1610612736"><i style="opacity:0.7!important;">三角函数万岁</i></span></p></div>
--------TxmpSwitchDataBoundary--------

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		</li>
							<li>
				<a onclick="downloadAudio('https://music-archive.sparkslab.art/0501/download')" target="_blank" class="download-button">
					<span class="fa fa-download" style="margin-left:.0em;margin-right:.3em"></span>Download				</a>
			</li>
							<li>
				<a href="https://music-archive.sparkslab.art/0501/code" target="_blank">
					<span class="fa fa-code" style="margin-left:.0em;margin-right:.3em"></span>View Debug Code				</a>
			</li>
							<li>
				<a href="https://music-archive.sparkslab.art/0501/switch-all" target="_blank">
					<span class="fa fa-file-o" style="margin-left:.0em;margin-right:.3em"></span>View Complete Data				</a>
			</li>
						<li>
			<a href="javascript:;" onclick="ready_for_search_store()">
				<span class="fa fa-star" style="margin-left:.0em;margin-right:.3em"></span>Ready for Search			</a>
		</li>
				<li class="am-divider"></li>
		<li class="am-dropdown-header">Playlist</li>
				<li><a onclick="listEdit()"><span class="fa fa-pencil" style="margin-left:.0em;margin-right:.3em"></span><span class="edit-label">Edit Playlist</span></a></li>
				<li><a onclick="timedPause()"><span class="fa fa-hourglass-2" style="margin-left:.0em;margin-right:.3em"></span><span class="timed-pause-state">Pause Timer</span></a></li>
		<li><a onclick="listPrint()"><span class="fa fa-print" style="margin-left:.0em;margin-right:.3em"></span>Generate Lyric Book</a></li>
				<li class="menu-next-song-item"><a onclick="javascript:;"><span class="next-song-label"></span></a></li>
		<li class="menu-curr-item" style="border-top: 1px dotted rgb(204, 204, 204);">
			<a class="menu-curr-display" target="_blank" href="https://music-archive.sparkslab.art/0501">
			</a>
		</li>
			</ul>
</div>
<span class="song-id">0501</span>
</center><br><span class="song-length">Length: <span id="total-len">04:02</span></span>
<span class="song-status song-status-process" style="display:none;"><span id="elasped">NaN</span> / -<span id="remain">NaN</span> (<span id="accurate">NaN</span>)</span><span class="song-status song-status-loading"><i class="fa fa-circle-o-notch fa-spin"></i> Loading...</span><span class="song-status song-status-errored" style="display:none;"><i class="fa fa-exclamation-triangle"></i> Errored</span>

--------TxmpSwitchDataBoundary--------

<div class="title-dropdown-father am-dropdown am-dropdown-up">
	<a class="am-dropdown-toggle cl-g-2">Action ▼</a>
	<ul class="am-dropdown-content song-list-show" onclick="$('.title-dropdown-father').dropdown('close')">
		<li class="am-dropdown-header">Action</li>
		<li><a onclick="downloadAudio('https://music-archive.sparkslab.art/0501/download')" target="_blank"><i class="fa fa-download"></i><span> Download</span></a></li>		<li><a href="https://music-archive.sparkslab.art/0501/code" target="_blank"><i class="fa fa-code"></i><span> View Debug Code</span></a></li>		<li><a href="https://music-archive.sparkslab.art/0501/docs" target="_blank"><i class="fa fa-file-word-o"></i><span> Generate Printable Lyrics</span></a></li>				<li><a href="javascript:;" onclick="setZoom()"><i class="fa fa-search-plus"></i><span> Zoom Lyrics</span></a></li>
	</ul>
</div>

--------TxmpSwitchDataBoundary--------

<div class="title-dropdown-father am-dropdown am-dropdown-up" style="margin-right:8px;">
	<a class="am-dropdown-toggle cl-g-2">Details ▼</a>
	<ul class="am-dropdown-content song-list-show" onclick="$('.title-dropdown-father').dropdown('close')">
		<li class="am-dropdown-header">Details</li>
		<li><a href="javascript:;"><i class="fa fa-microphone"></i> Singer: <span id="singer">天儿</span></a></li>
		<li><a href="javascript:;"><i class="fa fa-pencil"></i> Author: <span id="lauthor">天儿</span> | <span id="mauthor">天儿</span></a></li>
		<li><a href="javascript:;"><i class="fa fa-folder"></i> Cate: <span id="cate">科学狂想曲</span></a></li>
				<li><a rel="noreferrer noopener" href="https://music.163.com/#/song?id=34380194" target="_blank"><i class="fa fa-external-link"></i> Origin: <span>Open</span></a></o>
			</ul>
</div>

--------TxmpSwitchDataBoundary--------

<span class="lo-item" id="lo--1" onclick="scrollToPara(-1);return false;">></span><span class="lo-item" id="lo-0" onclick="scrollToPara(0);return false;">N<sub>1</sub></span><span class="lo-item" id="lo-1" onclick="scrollToPara(1);return false;">N<sub>2</sub></span><span class="lo-item" id="lo-2" onclick="scrollToPara(2);return false;">N<sub>3</sub></span><span class="lo-item" id="lo-3" onclick="scrollToPara(3);return false;">N<sub>4</sub></span><span class="lo-item" id="lo-4" onclick="scrollToPara(4);return false;">N<sub>5</sub></span><span class="lo-item" id="lo-5" onclick="scrollToPara(5);return false;">--</span><span class="lo-item" id="lo-6" onclick="scrollToPara(6);return false;">N<sub>6</sub></span><span class="lo-item" id="lo-7" onclick="scrollToPara(7);return false;">N<sub>7</sub></span>