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What Trigonometry is About
Author:
Jim Simons
GeoGebra
New Resources
"Compressed" Astroid as Envelope
Spinning cube - Belt Trick
Slope Field (1)
Ellipse, Hyperbola and Circle as Envelopes
Introduction
Discover Resources
Exploring the Circle
Sine - Chord - Tangent - Secant
TriangeInequality
PENTAGON- Kirsten Travelstead
Hitting the High Points
Discover Topics
Trigonometry
Scalene Triangles
Histogram
Optimization Problems
Step Functions