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Cosine & cosh are PG duals
Author:
Doug Kuhlmann
Topic:
Cosine
Best viewed in app or downloaded
GeoGebra
New Resources
Variation Theory Parallelogram Proofs
alg2_05_05_01_applet_exp_2_flvs
Dissections by Guillermo Bautista
Poorly Drawn Parallelograms 3
What is an Isogonal Conjugate?
Discover Resources
Absolute Value Equations - Worksheet 1
Force of gravity
Verschiebung/Streckung1
Mesore-mode
Fatis Tiles
Discover Topics
Linear Regression
Trigonometric Functions
Conic Sections
Arithmetic Mean
Rhombus