Given for an acute angle

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

Problem

Given sin⁡A=35\sin A = \dfrac{3}{5} for an acute angle AA, find cos⁡A\cos A. (a) 34\dfrac{3}{4} (b) 35\dfrac{3}{5} (c) 45\dfrac{4}{5} (d) 53\dfrac{5}{3}

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