State the identity that expresses in terms of and .

MATHEMATICS · Subjective · A Level · Mathematics · Trigonometry · Trigonometry

Problem

State the identity that expresses sin⁡(x+y)\sin(x+y) in terms of sin⁡x,  cos⁡x,  sin⁡y\sin x,\;\cos x,\;\sin y and cos⁡y\cos y.

Related theory

Browse the problem library