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Copy of Defining Trigonometric Ratios

Author:Uugantuya Bat-Erdene, Anthony OR 柯志明
Anthony Or. GeoGebra Institute of Hong Kong. orchiming@gmail.com

New Resources

  • Choosing a Method to Find Triangle Area
  • Writing and Graphing Proportional Relationships (k>0)
  • Modifiable Right Triangular Prism
  • Midpoint Theorem (V2): Integer Solutions
  • Perpendicular Lines: Quick Exploration

Discover Resources

  • The EUler Line of a Triangle
  • Example 3.7.
  • First and Second Derivative Activity
  • Inscribed Angles #1
  • oscillatory motion

Discover Topics

  • Similar Triangles
  • Piecewise Functions
  • Root
  • Expected Value
  • Parallelogram
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