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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
美國國旗 (Claude 版)
Fibonacci Clock
世界平面地圖 (Codex╱2026.10.07)
伊朗國旗 (Codex╱2026.10.07)
美國國旗 (Codex 版)
Discover Resources
chapter1
sine graph (reduce to 1/2 and then translate leftward by 15 degree)
No.4
Circle
畢氏三元數
Discover Topics
General Quadrilateral
Median Line
Matrices
Confidence Interval
Solids or 3D Shapes
