Given for an acute angle

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

Problem

Given cos⁡θ=32\cos \theta=\dfrac{\sqrt3}{2} for an acute angle θ\theta, find sin⁡2θ\sin^2\theta. (a) 12\dfrac12 (b) 34\dfrac{\sqrt3}{4} (c) 14\dfrac14 (d) 34\dfrac34

Related theory

Browse the problem library