The expression is equal to

MATHEMATICS · Single correct · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

The expression sin⁡xcos⁡y+cos⁡xsin⁡y\sin x\cos y+\cos x\sin y is equal to (a) cos⁡(x−y)\cos(x-y) (b) sin⁡(x−y)\sin(x-y) (c) sin⁡(x+y)\sin(x+y) (d) cos⁡(x+y)\cos(x+y)

Related theory

Browse the problem library