Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Lesson

Outline

  1. S5 2D Trigonometry
    1. law of sines (proof)
    2. law of cosines (proof)
    3. Ambiguity of SSA
    4. Law of Sines (SSA Case)
    5. Law of Sines - Ambiguous Case
    6. Heron's Formula 希羅公式
    7. 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

  • 中華民國國旗 (Codex╱2026.10.06)
  • 國旗 (Claude 版)
  • AI 訓練教室
  • Nested spiral octagon
  • 找出對稱軸

Discover Resources

  • 交點軌跡動態
  • Area of triangle with different base
  • 硬币
  • test1
  • 方块堆叠(cube))

Discover Topics

  • Ellipse
  • Incircle or Inscribed Circle
  • Quadratic Functions
  • Correlation
  • Median Line
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®