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Exploring Trigonometric Ratios on the Unit Circle

Author:Carmel Schettino, Anthony OR 柯志明
Topic:Circle, Ratios, Unit Circle
Anthony Or. GeoGebra Institute of Hong Kong. orchiming@gmail.com

New Resources

  • 繪畫垂直線
  • Odd Function Explorer
  • Linear Combination of Vectors
  • Segment Addition Postulate (Mild Questions)
  • Angle Addition Postulate (V2) - Integer Solutions

Discover Resources

  • Inner and outer approximation by a quadrilateral
  • Four Point Rectangle Problem - 2 Pairs
  • Hole 8
  • Example
  • Fourier series

Discover Topics

  • Root
  • Conic Sections
  • Special Points
  • Definite Integral
  • Mode
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