यदि ((1 + cosA))/(2) =x, तो x का क्या मा...

यदि `((1 + cosA))/(2) =x`, तो x का क्या मान है ?

A

`sin^(2) ((A)/(2))`

B

`sqrt(sin((A)/(2)))`

C

`sqrt(cos((A)/(2)))`

D

`cos^(2)((A)/(2))`

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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