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Introduction to Trigonometry from a Unit Circle

Author:Lam Yat Chun

New Resources

  • 畫出對稱圖形
  • 兩位數除以一位數(二)
  • 兩組對邊相等和有直角的四邊形
  • 判斷球體
  • 球体的体积推导(优化版)

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Discover Topics

  • Linear Functions
  • Reflection
  • Vectors 3D (Three-Dimensional)
  • Quadrilaterals
  • Random Variables
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