For an acute angle

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

For an acute angle θ\theta, it is given that sin⁡θ−cos⁡θ=12\sin\theta - \cos\theta = \dfrac{1}{2}. Find sin⁡θ\sin\theta. (a) 7−14\dfrac{\sqrt{7}-1}{4} (b) 104\dfrac{\sqrt{10}}{4} (c) 7+14\dfrac{\sqrt{7}+1}{4} (d) 5+14\dfrac{\sqrt{5}+1}{4}

Related theory

Browse the problem library