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SSC CGL 2022 PYQ — Question 55

SSC CGL - 21 April 2022 - Shift 3 • Quantitative Aptitude • Q55

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If sec2 α + cos2 α = 5/2 and 0° ≤ α ≤ 90°, then find the value of α.

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Correct answer: D

Explanation

The correct answer is option 4 i.e. 45°.

⇒ sec2 α + cos2 α = 5/2

By putting, α = 45°

⇒ sec2 45° + cos2 45° = 2 + 1/2 = 5/2