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Cosine & cosh are PG duals
Author:
Doug Kuhlmann
Topic:
Cosine
Best viewed in app or downloaded
GeoGebra
New Resources
Graphs of Rational Expressions
Tangent Vector (2)
Parallel Line Image Maker
Sine and Cosine on the Unit Circle
Slope Between 2 Points (Phase 2)
Discover Resources
Point of concurrency of the altitudes of a triangle
Perpendicular Bisector Construction
day 90
tessalation
Mass vs. Weight Lab
Discover Topics
Rotation
Sphere
Functions
Calculus
Geometric Mean