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Angle sum identity for Sine
Author:
Whan Ki Lee
,
Chris Patterson
Topic:
Sine
What changes have been made to previous task (finding a formula for the height of vertex C)? What has stayed the same?
GeoGebra
Can you find a formula for Sin(A - B)? For Cos(A + B)?
New Resources
Introduction
Spinning cube - Belt Trick
Viviani's Window
Slope Field (1)
Ellipse, Hyperbola and Circle as Envelopes
Discover Resources
Is "Side-Side" Similarity Enough to Prove Similar Triangles?
SSS Exploration
altitude_markell
SampleWorkProblem10
PARALLELOGRAM
Discover Topics
Dilation
Median Value
Boxplot
Logarithm
Cuboid