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If cos x-(cot beta sinx )/( 2 )=sqrt(3)...

If ` cos x-(cot beta sinx )/( 2 )=sqrt(3)/(2)` , then the value of ` tan""(x)/(2)` is

A

`tan""(beta)/(2) tan 15^(@)`

B

`tan""(beta)/(2)`

C

`tan 15^(@)`

D

None of the above

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The correct Answer is:
A
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