int(-pi)^(pi) (Cos a x - Sin a x)^(2) dx...

`int_(-pi)^(pi) (Cos a x - Sin a x)^(2) dx=`

A

0

B

`pi`

C

`2pi`

D

`4pi`

Text Solution

Verified by Experts

The correct Answer is:

C

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AAKASH SERIES-DEFINITE INTEGRALS-PRACTICE EXERCISE

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