Given with in the first quadrant

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

Problem

Given sin⁡x=513\sin x=\dfrac{5}{13} with xx in the first quadrant, determine sec⁡x\sec x. (a) 135\dfrac{13}{5} (b) 1213\dfrac{12}{13} (c) 1312\dfrac{13}{12} (d) 512\dfrac{5}{12}

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