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If alpha, beta are acute angles and cos ...

If `alpha, beta` are acute angles and `cos 2 alpha=(3 cos 2 beta-1)/(3-cos 2 beta)` then

A

`tan alpha=2 tan beta`

B

`tan alpha= sqrt(2) tan beta`

C

`tan beta- 2 sqrt(2) tan alpha`

D

`tan beta=2 sqrt(2) tan alpha`

Text Solution

Verified by Experts

The correct Answer is:
B
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