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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

  • Taylor Error Bound
  • Untitled
  • Rolling a Square
  • Other Variations of Cosine
  • Tracing an Ellipse Using Two Circles

Discover Resources

  • Cyclic quads
  • Belton_Section8-1
  • RectangleNLmilieux
  • Rotation w P
  • ביג ליבובסקי וכדור באולינג
  • รูปคลี่พีระมิด

Discover Topics

  • Pythagoras or Pythagorean Theorem
  • Pie Chart or Circle Chart
  • Planes
  • Scatter Plot
  • Numbers
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