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If (x)/(tan (theta+ alpha))=(y)/(tan (th...

If `(x)/(tan (theta+ alpha))=(y)/(tan (theta+ beta))=(z)/(tan (theta+ gamma)` then `sum (x+y)/(x-y) sin^(2)(alpha- beta)=`

A

1

B

`-1`

C

0

D

None

Text Solution

Verified by Experts

The correct Answer is:
C
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