Which trigonometric ratio is equal to for any acute angle ?

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

Problem

Which trigonometric ratio is equal to sin⁡(90∘−θ)\sin(90^\circ-\theta) for any acute angle θ\theta? (a) cot⁡θ\cot\theta (b) tan⁡θ\tan\theta (c) cos⁡θ\cos\theta (d) csc⁡θ\csc\theta

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