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20190401

Author:John Ng

New Resources

  • Visualizing the Pythagorean Identity with Sine and Cosine
  • 兩位數的位值
  • Making New Year's resolutions for 2026
  • Average Value
  • Neuberg's Theorem

Discover Resources

  • Horizontal displacement of a Pendulum
  • Getting to Know GeoGebra
  • Height and Co-Height of a Ferris wheel
  • Spherical segment, sector, layer
  • Inclined Plane with Two Masses and a Pulley

Discover Topics

  • Quadratic Functions
  • Sequences and Series
  • Equilateral Triangles
  • Differential Equation
  • Upper and Lower Sum or Riemann Sum
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