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Better Explained: Intuitive Trigonometry
Author:
Edwin Hughes
Topic:
Trigonometry
Better Explained
: A Conceptual Understanding of Trigonometry
http://betterexplained.com/articles/intuitive-trigonometry/
GeoGebra
New Resources
Introduction
Isosceles Triangle: Quick Construction
Cross Product in 2D and 3D
Ellipse as Envelope - Correspondence Method
Napoleon's Theorem
Discover Resources
Approximation of Pi by inscribed and circumscribed polygons
SSS Triangle Congruence
Sawtooth Wave
Rapkin dilation design
MODULE 12 REGULAR POLYGON TOOL
Discover Topics
Perimeter
Root
Kite
Histogram
Tangent Line or Tangent