Given with in the first quadrant

MATHEMATICS · Single correct · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

Given sin⁡α=513\sin\alpha=\dfrac{5}{13} with α\alpha in the first quadrant, evaluate sec⁡α−cot⁡α\sec\alpha-\cot\alpha. (a) −9160-\dfrac{91}{60} (b) 23\dfrac{2}{3} (c) −7960-\dfrac{79}{60} (d) 7960\dfrac{79}{60}

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