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int0^(pi/2) (cos theta)/(sqrt(4-sin^(2) ...

`int_0^(pi/2) (cos theta)/(sqrt(4-sin^(2) theta) )d theta =`

A

`pi/2`

B

`pi/6`

C

`pi/3`

D

`pi/4`

Text Solution

Verified by Experts

The correct Answer is:
B
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