SarkariPYQ

SSC CGL 2022 PYQ — Question 52

SSC CGL - 12 April 2022 - Shift 3 • Quantitative Aptitude • Q52

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tan2A + 5 secA = 13, where 0 < A < 90º . Solve for A (in degrees).

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2 i.e. 60

Let us solve this question using options.

Put A = 60° 

tan2A + 5 secA = 13 ⇒ {(3)1/2}2 + 5 × 2 = 3 + 10 = 13