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int(-pi//4)^(pi//4)(dx)/(1+cos 2x) is ...

`int_(-pi//4)^(pi//4)(dx)/(1+cos 2x) ` is equal to

A

2

B

1

C

4

D

0

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The correct Answer is:
B
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HIMALAYA PUBLICATION-COMMON ENTRANCE TEST -2015-QUESTION BANK
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