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Redefining Trigonometry by a Unit Circle
Author:
Lam Yat Chun
Topic:
Trigonometry
GeoGebra
New Resources
球体的体积推导（优化版）
漂亮的摇摆曲线
平行線的斜率
空间中两直线的位置关系
科氏力 (Coriolis Force)
Discover Resources
【三角函數】sinx的平移
conjugate
正四角錐(可以旋轉， 顯示邊， 選擇透視)
螢橋國中 周孟承
Multiplication of Directed Numbers
Discover Topics
LCM and GCD
Rectangle
Dilation
Random Experiments
Symmetry