Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Proof Without Words: Addition Formula for Sines
Author:
Steve Phelps
Topic:
Addition
,
Sine
How does this dissection proof demonstrate sin(A+B) = sin(A) cos(B) + sin(B) cos(A) ?
GeoGebra
New Resources
Triangle Flexer
Traffic Cone
Average Distance
Angles of Intersecting Lines
Trefoil Knot
Discover Resources
notes 5-2
SSS2
Parabola standard form with sliders
Distance #3
Juan Carlos Ponce Campuzano's
Discover Topics
Geometric Mean
Exponent
Integers
Arithmetic
Rhombus