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tan(α) tan(β) = ?
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
畫出對稱圖形
球體建築師
找出對稱軸
画直线等分三角形的面积
四邊形的特性
Discover Resources
slide
圓外切及內切
立體圖
竞猜游戏：说出图中角的大小
y=Asin(ωx+φ)
Discover Topics
Rectangle
Straight Lines
Percentages
Trigonometric Functions
LCM and GCD