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三角函数的变换
Author:
蔡永志
Topic:
Constructions
,
Geometric Transformations
,
Trigonometric Functions
,
Trigonometry
GeoGebra
New Resources
異分母分數減法
錐體建築師
三位數除以一位數（二）
画直线等分三角形的面积
兩位數除以一位數（一）
Discover Resources
Quiz on Trigonometric Ratios 辨認三角比：測驗
函數切線及法線
小二三 畫時鐘
Temp
定理介紹：切線與半徑 | Tangent and Radius
Discover Topics
Cosine
Orthocenter
Incircle or Inscribed Circle
Logic
Multiplication