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三角函數-sin
Author:
shan chun
Topic:
Trigonometric Functions
GeoGebra
New Resources
讀磅
画直线等分三角形的面积
多邊形的面積
漂亮的摇摆曲线
斜率的值
Discover Resources
根據百分率找數量（二）: 例4
雙曲柄
餘弦的定理
第四次:20190308
拼出三角形的副本
Discover Topics
Quadrilaterals
Poisson Distribution
Inequalities
Centroid or Barycenter
Secant Line or Secant