If int f(x) cos xdx = (1)/(2) {f(x)}^(2)...

If `int f(x) cos xdx = (1)/(2) {f(x)}^(2)+C`, then `f((pi)/(2))` is

A

C

B

`(pi)/(2)+C`

C

`C+1`

D

`2pi + C`

Verified by Experts

The correct Answer is:

C

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