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三角函數的由來
Author:
陳政任
GeoGebra
New Resources
球體建築師
錐體建築師
算柱 (兩位數)
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
Discover Resources
三角函數圖形（全）
偏導數
Frequency Change
Ex5C#5
弧長與圓心角成比例
Discover Topics
Translation
Parametric Curves
Fractal Geometry
Real Numbers
Upper and Lower Sum or Riemann Sum