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Givent that pi/2,alphaltpi then the expr...

Givent that `pi/2,alphaltpi` then the expression `sqrt((1-sinalpha)/(1+sinalpha))+sqrt((1+sinalpha)/(1-sinalpha))` (A) `1/(cosalpha)` (B) `- 2/(cosalpha)` (C) `2/(cosalpha)` (D) does not exist

A

`1// cos alpha`

B

`-2 // cos alpha`

C

`2// cos alpha`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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