If for an acute angle

MATHEMATICS · Multi-part · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

If cos⁡θ=817\cos \theta = \dfrac{8}{17} for an acute angle θ\theta, answer the following: (i) Find sin⁡θ\sin \theta. (ii) Hence find tan⁡θ\tan \theta.

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