If for an acute angle

MATHEMATICS · Multi-part · A Level · Mathematics · Trigonometry · Trigonometry

Problem

If sec⁡θ+tan⁡θ=5\sec \theta + \tan \theta = \sqrt{5} for an acute angle θ\theta, find the following. (i) sin⁡θ\sin \theta (ii) cos⁡θ\cos \theta

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