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Focus and directrix connections

Author:Dave Van Leeuwen

New Resources

  • Slope Between 2 Points (Phase 2)
  • The Datasaurus Dozen
  • Line and Circle Practice
  • Visualizing the Pythagorean Identity with Sine and Cosine
  • 函數的單調性

Discover Resources

  • Intersecting Lines
  • Diagonals of a Rectangular Prism
  • Kreuz_f1
  • Test_to_easy
  • Trapezium rule for concave downwards,

Discover Topics

  • Prism
  • Cuboid
  • Vectors
  • Cosine
  • Rhombus
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