SarkariPYQ

SSC Selection Post 2025 PYQ — Question 45

SSC Selection Post - Graduation Level - 25th July 2025 - Shift 3 • Quantitative Aptitude • Q45

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If cosA = 12/13, and A is acute, find tanA.

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Correct answer: A

Explanation

cos A = 12/13

Base = 12

Hypotenuse = 13

Perpendicular² = Hypotenuse² − Base²

= 13² − 12²

= 169 − 144

= 25

Perpendicular = 5

tan A = 5/12