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Reference Angles and Triangles Degrees
Author:
holly.postlewaite
,
Scott Farrar
Drag P. Blue = Standard Angle, Red = Reference Angle.
GeoGebra
What is a reference angle? / Why do we use them?
New Resources
Drag that Point!
Construct a Square
Isosceles Triangle: Quick Construction
Cross Product in 2D and 3D
Supplementary Angles
Discover Resources
product constructible
The Unit Circle and the Primary Trigonometric Functions
Taylor polynomial in 2D
Visualize Measures of Center and Spread (Box Plot)
Finding Intersections: IM Alg2.2.11
Discover Topics
Intersection
Integers
Geometric Transformations
Quadratic Functions
Functions