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The Compound Angle Formulae
Author:
Richard Cooper
,
Lee Robinson
The Compound Angle Formulae
GeoGebra
Copy the diagram and navigate through to prove the 'Compound Angle Formulae'
New Resources
Construct a Square
Isosceles Triangle: Quick Construction
Teorema Japonês para quadriláteros inscritos em uma circunferência
van Aubel's Theorem
Rotating Points (Optical Illusion)
Discover Resources
Internal forces - siply supported beam with a force
Law of Sines - Ambiguous Case
Test
معرفی هرم و مخروط
Conditional Input Demand-CD
Discover Topics
Intersection
Diagrams
Histogram
Exponential Functions
Geometric Transformations