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SSC CPO 2025 PYQ — Question 142

SSC CPO - 11 Dec 2025 - Shift 2 • Quantitative Aptitude • Q142

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If cotA = 1, find the value of sin²A - cos²A.

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Correct answer: A

Explanation

cot A = 1

According to the formula:

cot A = cos A / sin A

cos A / sin A = 1

⇒ cos A = sin A

sin²A − cos²A = 0