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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
三位數除以一位數（一）
異分母分數減法
三位數除以一位數（二）
畫出對稱圖形
球体的体积推导（优化版）
Discover Resources
垂心問題
鋪地磚(六邊形)
三角形的构成的副本
空间几何体的表面积和体积
"拈" 類遊戲之一-搶21遊戲 The 21 game
Discover Topics
Conditional Probability
Area
Equilateral Triangles
Difference and Slope
Secant Line or Secant
