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If y=(2 sin alpha)/(1+cos alpha+sin alp...

If `y=(2 sin alpha)/(1+cos alpha+sin alpha),"then"(1-cos alpha+sin alpha)/(1+sin alpha)` is equal to :

A

`(1)/(y)`

B

y

C

`1-y`

D

`1+y`

Text Solution

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The correct Answer is:
B
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