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The value of ((cos alpha + cos beta)/(si...

The value of `((cos alpha + cos beta)/(sin alpha - sin beta))^(n) + ((sin alpha + sin beta)/(cos alpha - cos beta))^(n)` (where n is a whole number ) is equal to-

A

0

B

`2 "tan"^(n)(A-B)/2`

C

`2 "cot"^(n)(A-B)/2`

D

`2"cot"^(n) (A+B)/2`

Text Solution

Verified by Experts

The correct Answer is:
A, C
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