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SSC CHSL 2025 PYQ — Question 75

SSC CHSL - 22 Nov 2025 - Shift 1 • Quantitative Aptitude • Q75

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If tan A = 1/√3, find sin A and cos A.

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Correct answer: A

Explanation

Given:

tan A = 1/√3

By the formula:

tan A = sin A / cos A

sin²A + cos²A = 1

tan A = 1/√3 ⇒ A = 30°

sin A = 1/2

cos A = √3/2

sin A = 1/2, cos A = √3/2