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If piltalphalt(3pi)/(2) then sqrt((1-cos...

If `piltalphalt(3pi)/(2)` then `sqrt((1-cosalpha)/(1+cosalpha))+sqrt((1+cosalpha)/(1-cosalpha))` is equal to

A

`(2)/(sin alpha)`

B

`-(2)/(sin alpha)`

C

`(1)/(sin alpha)`

D

`-(1)/(sin alpha)`

Text Solution

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The correct Answer is:
B
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