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Trig Ratios
Author:
robert.gardner
Topic:
Ratios
GeoGebra
New Resources
A note on Erdős’s mysterious remark
Flip 9 Coins
Flip A Bunch of Coins
Experiments with Transformations in the Plane
Roll Dice
Discover Resources
Área de un triángulo
Line through P perpendicular to k
Rectangle under parabola
Investigating the derivative at a cusp.
Cuboids & their Nets
Discover Topics
Statistics
Linear Functions
Angles
Tangent Line or Tangent
Scatter Plot