Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
The double angle formulae
Author:
Integral Resources
Topic:
Angles
The circle has radius 1 and centre at O. Drag the point D and compare - the two expressions for the length DE - the two expression for the length OE.
GeoGebra
New Resources
Untitled
Line Through Two Points and Slope
Two Triangle Theorem
Proving Triangles Similar: Multistep Transformations
apec
Discover Resources
Multi-Step Transformations
Unit 4
The Effect of Outliers on Regression
project
Untitled
Discover Topics
Intersection
Hyperbola
Area
Secant Line or Secant
Division