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If tan(alpha-beta)=(sin 2beta)/(3-cos2be...

If `tan(alpha-beta)=(sin 2beta)/(3-cos2beta)`, then

A

`tan alpha=2tan beta`

B

`tan beta=2 tan alpha`

C

`2tan alpha = 3 tan beta`

D

`3tan alpha = 2 tan beta`

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The correct Answer is:
A
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