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If alpha and beta are non-zero real numb...

If `alpha and beta` are non-zero real number such that `2(cos beta-cos alpha)+cos alpha cos beta=1.` Then which of the following is treu?

A

`tan(alpha)/(2)+sqrt(3)tan(beta)/(2)=0`

B

`tan(alpha)/(2)-sqrt(3)tan(beta)/(2)=0`

C

`sqrt(3)tan(alpha)/(2)-tan(beta)/(2)=0`

D

`sqrt(3)tan (alpha)/(2)+tan(beta)/(2)=0`

Text Solution

Verified by Experts

The correct Answer is:
A, B
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