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[幾何] 三角函數的割比較沒有用到吧？
[ Math ]21 留言, 推噓總分: +4
作者: iLeyaSin365 - 發表於 2021/07/15 15:05(4年前)
4F→iLeyaSin365: 斜率有，但另外三個呢 好像沒有了07/15 18:56
12F→iLeyaSin365: 我覺得是因為正餘弦有顯著的物理學意義，例如振子投07/16 13:07
13F→iLeyaSin365: 影，那其他三角函數也有這類的意義嗎?我想知道..07/16 13:08
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