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If sinx+cosy=a and cosx+siny = b, then t...

If `sinx+cosy=a` and `cosx+siny = b`, then `tan""(x-y)/(2)` is equal to :

A

a+b

B

a-b

C

`(a+b)/(a-b)`

D

`(a-b)/(a+b)`

Text Solution

Verified by Experts

The correct Answer is:
D
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