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三角函数变换
Author:
平旭洋
Topic:
Constructions
,
Function Graph
,
Trigonometric Functions
GeoGebra
New Resources
判斷球體
找出對稱軸
球体的体积推导（优化版）
兩組對邊相等的四邊形
異分母分數減法
Discover Resources
廣義角的代換(180,360)
題五
Copy of 三角形的面積
椭圆的定义
兩橢圓交集
Discover Topics
Distributions
Subtraction
Median Value
General Quadrilateral
Power Functions