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The expression (sin alpha+ sin beta)/(co...

The expression `(sin alpha+ sin beta)/(cos alpha+cos beta)` is equal to:

A

`tan((alpha+beta)/(2))`

B

`cot((alpha+beta)/(2))`

C

`sin((alpha+beta)/(2))`

D

`cos((alpha+beta)/(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
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