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Cosine & cosh are PG duals
Author:
Doug Kuhlmann
Topic:
Cosine
Best viewed in app or downloaded
GeoGebra
New Resources
Constructing the Perpendicular Line Through a Point Not on the Line
VIDEO: How to Insert Image in GeoGebra
Untitled
Equations of Tangents to Circles
Conchoids of Nicomedes
Discover Resources
parallelogramme
Example
YacoutPyth1.ggb
Chira's Work on Transformation Task
Sketch #1
Discover Topics
Rhombus
Hyperbola
Logarithm
Pyramid
Unit Circle