Simplify the expression 3 - 2 to an equivalent single-term expression.

MATHEMATICS · Single correct · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Simplify the expression sin⁡3θ−sin⁡θsin⁡2θ\frac{\sin3\theta-\sin\theta}{\sin2\theta} to an equivalent single-term expression. (a) 2cos⁡θ2\cos\theta (b) sec⁡θ\sec\theta (c) 2cos⁡θ−sec⁡θ2\cos\theta-\sec\theta (d) 2cos⁡θ+sec⁡θ2\cos\theta+\sec\theta

Related theory

Browse the problem library