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Let [a] denote the greatest integer whic...

Let [a] denote the greatest integer which is less than of equal to a. Then the value of the integral
`int_(-(pi)/(2))^((pi)/(2))[sinxcosx]dx` is-

A

`(pi)/(2)`

B

`pi`

C

`-pi`

D

`-(pi)/(2)`

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