Q. If tan A = 1 and A is acute, then sin A + cos A = ?

  • (A) 1
  • (B) √2
  • (C) 2
  • (D) √3
✅ Correct Answer: (B) √2
Explanation: A = 45°. Hence sin45° + cos45° = √2.

Published by Roshan ⭐ 3.42K Points at 05-Jul-2026 01:40 pm in Math

Explanation by: Roshan
A = 45°. Hence sin45° + cos45° = √2.

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