Q. cos2(A/2). का मान क्‍या है?

(A) (1 – cosA)/2
(B) (1 + cosA)/2
(C) (1 + sinA)/2
(D) (1 – sinA)/2

✅ Correct Answer: (B) (1 + cosA)/2

Published by Chandan Das ⭐ 6.78K Points at 07-Sep-2021 02:09 pm in Math

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