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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

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B, C
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