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((cos15^(@)-sin15^(@)+1)/(cos15^(@)+sin1...

`((cos15^(@)-sin15^(@)+1)/(cos15^(@)+sin15^(@)+1))((1+sin15^(@))/(cos15^(@)))`

A

`2-sqrt(3)`

B

1

C

`2+sqrt(3)`

D

None of these

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The correct Answer is:
A
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