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SSC CGL 2025 PYQ — Question 59

SSC CGL - 20 Sep 2025 - Shift 3 • Quantitative Aptitude • Q59

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If sin A = 35\frac{3}{5} and A is acute, then what is the value of cosA?

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Correct answer: A

Explanation

The correct answer is option 1 i.e. 45\frac{4}{5}.

sin A = 3/5

⇒ sin2A = (3/5)2 = 9/25

⇒ cos A = √(1 - sin2A) = √(1 – 9/25) = √(16/25) = 4/5