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三角函數圖形（全） 的複本
Author:
王映禵
,
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
拼砌四邊形
柱體建築師
判斷球體
兩組對邊相等的四邊形
球体的体积推导
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Trigonometric Ratios: Sine 三角比：正弦
扇形柱(調整底面圓的分割數，柱高)
cos(π/n)cos(2π/n)cos(3π/n) ... cos(nπ/n) = ?
角谷猜想
我的第一个绘本
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Means
Definite Integral
Median Line
Step Functions
Random Variables