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If sqrt(1+ sin A )-sqrt(1-sin A )=2 cos...

If ` sqrt(1+ sin A )-sqrt(1-sin A )=2 cos""(A)/(2)`, then value of A can be
(a)`90^(@)` (b)`260^(@)` (c)`300^(@)` (d)`190^(@)`

A

`90^(@)`

B

`260^(@)`

C

`300^(@)`

D

`190^(@)`

Text Solution

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The correct Answer is:
A, B, D
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