Which of the following is equal to for ?

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

Problem

Which of the following is equal to cos⁡(90∘−θ)\cos(90^\circ - \theta) for 0∘<θ<90∘0^\circ<\theta<90^\circ? (a) tan⁡θ\tan \theta (b) sin⁡θ\sin \theta (c) cot⁡θ\cot \theta (d) cos⁡θ\cos \theta

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