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SSC PYQTier 1 2025

SSC CGL – Combined Graduate Level Examination · Question 75

If sec A = 13/5 and A is acute, find sin A.

  1. 5/13
  2. 12/13
  3. 13/12
  4. 13/5
Show answer & explanation

Answer: (B) 12/13

Explanation

cos A = 5/13, so sin A = √(1 - 25/169) = 12/13. (Verified against the official SSC answer key.)