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和差角公式
Author:
少平 朱
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Equation of the tangent to 2 circles touching externally
正弦型
邊長與三角形
畫三角形 第3題
六角錐
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听听函数的声音
Apollonius Problem 7 CCP poncelet
軌跡二︰移動點與兩固定點保持相等距離(垂直平分線)
未命名
Dart Board
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Trigonometric Functions
Trigonometry
Cosine
Histogram
Sine
