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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

  • Fourier Lissajous (Mechanical)
  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • Rose Curve
  • Damped Trochoidal Curve
  • Hyperbolic Paraboloid

Discover Resources

  • true/nine-points-circle.ggb
  • Heron's Formula
  • Yue's geometry task - figure 1
  • tessa_luzney_Qtr1project_O2
  • Wekstein_paralleogram

Discover Topics

  • Upper and Lower Sum or Riemann Sum
  • Step Functions
  • Rational Numbers
  • Means
  • Circumcircle or Circumscribed Circle
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