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The value of the integral underset(0)ove...

The value of the integral `underset(0)overset(1)int(1)/(x^(2)+2x cos alpha +1)dx` is equal to

A

`sin alpha`

B

`alpha sin alpha`

C

`alpha/(2sin alpha)`

D

`alpha/2 sin alpha`

Text Solution

Verified by Experts

The correct Answer is:
C
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