Q. If sin θ = 5/13, then cos θ = ?

(A) 12/13
(B) 13/12
(C) 5/12
(D) √119/13

✅ Correct Answer: (A) 12/13

Explanation: Using Pythagoras: adjacent = √(13²−5²)=12.

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

Explanation by: Roshan

Using Pythagoras: adjacent = √(13²−5²)=12.

💬 Discussion

📊 Question Analytics

👁️

9

Total Visits

📽️

5 d ago

Published

🎖️

Roshan

Publisher

📈

86%

Success Rate