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Copy of Reference Angles and Triangles
Author:
brett.smith
,
Scott Farrar
Drag P. Blue = Standard Angle, Red = Reference Angle.
GeoGebra
What is a reference angle? / Why do we use them?
New Resources
Proving Triangles Similar: Multistep Transformations
z`]]
Right Triangle Trig Ratios: sin, cos, tan
Position and Velocity Vector
Parabola - Write the Equation - Practice
Discover Resources
Reflection-8
Orthocenter-Nathan Horn
Horizontal Shrink or Stretch of f(x)
Interference of Identical Waves
Unit Circle to Sine and Cosine Functions
Discover Topics
Symmetry
Exponential Functions
Ellipse
Rhombus
Conic Sections