Copy of Sin Cos and Tan animated from the unit circle

作者：Keshav Pillai, Tim Elton

See how the functions sin, cos, and tan are defined from the unit circle, extending the definitions beyond the the 0 to 90 degrees that fit nicely inside a right-angled triangle.

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Radius of incircle and radii excircles
euclid_el_06_ια
Construction 1 of Triangle Area Theorem
Dilations w/ video
Circle Theorem 2의 복사본

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統計特徵
線性函數
指數函數
不等邊三角形
減法

Copy of Sin Cos and Tan animated from the unit circle

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