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GeoGebra
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Outline
S5 2D Trigonometry
law of sines (proof)
law of cosines (proof)
Ambiguity of SSA
Law of Sines (SSA Case)
Law of Sines - Ambiguous Case
Heron's Formula 希羅公式
10.2 Angles of elevation and depression(仰角和俯角)
S5 2D Trigonometry
Author:
tkyggb
Topic:
Trigonometry
S5 2D Trigonometry
law of sines (proof)
law of cosines (proof)
Ambiguity of SSA
Law of Sines (SSA Case)
Law of Sines - Ambiguous Case
Heron's Formula 希羅公式
10.2 Angles of elevation and depression(仰角和俯角)
Next
law of sines (proof)
New Resources
漂亮的摇摆曲线
双心四边形
直線的斜率：水平變化 & 鉛垂變化
常见四边形是否是双心四边形
直線的斜率
Discover Resources
(1+x/n)^n 逼近 exp(x)
圓錐完成
Copy of 表示數線上的位置
多边形外角和的副本
加减法练习
Discover Topics
General Quadrilateral
Sphere
Fractions
Derivative
Plane Figures or Shapes
