If , then is equal…

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

Problem

If tan⁡(π2sin⁡θ)=cot⁡(π2cos⁡θ)\tan\left(\frac{\pi}{2} \sin \theta\right) = \cot\left(\frac{\pi}{2} \cos \theta\right) , then sin⁡θ+cos⁡θ\sin \theta + \cos \theta is equal to (1) 0 (2) 1 (3) -1 (4) 1 or -1

Related theory

Browse the problem library