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int(pi//2)^(3pi//2) [2cos x]dxis equal t...

`int_(pi//2)^(3pi//2) [2cos x]dx`is equal to

A

`(5pi)/(3)`

B

`-(5pi)/(3)`

C

`-pi`

D

`-2pi`

Text Solution

Verified by Experts

The correct Answer is:
B
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