Double Angle Formulas

Question 1

1 point

Paused

End of Lesson

 
 

 

Double Angle Formula for Sine Double Angle Formula for Cosine Double Angle Formula for Tangent
  \[\sin(2A) = 2\sin(A)\cos(A)\]     \[\cos(2A) = \cos^2(A)-\sin^2(A) \\ \cos(2A)=1-2\sin^2(A) \\ \cos(2A)=2\cos^2(A)-1\]     \[\tan(2A) = \dfrac{2\tan(A)}{1-\tan^2(A)}\]

 

 

Double Angle Formulas Slides (PDF)

© CEMC and University of Waterloo, Powered by Maplesoft