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Copy of Reference Angles and Triangles
Author:
Silvia Petrovska Gallo
,
Scott Farrar
Drag point P to explore angle values within a unit circle. Blue = Standard Angle, Red = Reference Angle.
GeoGebra
What is a reference angle? / Why do we use them?
New Resources
Poorly Drawn Parallelograms 2
Blancmange curve (fractal)
Exploring the Derivative of a Quadratic Function
Variation Theory Parallelogram Proofs
Parallelograms: Quick Investigation
Discover Resources
The Sine Function
Ferris Wheel
Basic Trapezoid
Homework #55b
Wind III
Discover Topics
Standard Deviation
Frequency Distribution
Tangent Function
Natural Numbers
Optimization Problems