Let , where . Evaluate in terms of…

MATHEMATICS · Single correct · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

Let θ=3π2+α\theta = \dfrac{3\pi}{2} + \alpha, where 0<α<π20<\alpha<\dfrac{\pi}{2}. Evaluate sin⁡(2θ)\sin(2\theta) in terms of α\alpha. (a) sin⁡(2α)\sin(2\alpha) (b) −cos⁡(2α)-\cos(2\alpha) (c) −sin⁡(2α)-\sin(2\alpha) (d) cos⁡(2α)\cos(2\alpha)

Related theory

Browse the problem library