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The value of ((cos A + coa B)/( sin A - ...

The value of `((cos A + coa B)/( sin A - sin B)) ^(2015) + ((sin A + sin B)/( cos A - cos B)) ^(2015) =`

A

0

B

`cot ^(2015) ((A +B)/( 2))`

C

`cot ^(2015) ((A-B)/(2))`

D

`2 tan ^(2015) ((A+B)/(2))`

Text Solution

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The correct Answer is:
A
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