Prove the identity: (2x) = 2 x x.

MATHEMATICS · Subjective · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

Prove the identity: sin⁡(2x)=2sin⁡xcos⁡x.\sin(2x) = 2\sin x \cos x.

Related theory

Browse the problem library