यदि sin (A + B) = sin A cos B + cos A si...

यदि `sin (A + B) = sin A cos B + cos A sin B` है , तो `sin 75^(@)` का मान है-

A

`(sqrt(3) + 1)/(sqrt(2))`

B

`(sqrt(2) + 1)/(2sqrt(2))`

C

`(sqrt(3) + 1)/(2sqrt(2))`

D

`(sqrt(3) + 1)/(2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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