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"If " sin2 alpha = A sin 2(alpha + beta)...

`"If " sin2 alpha = A sin 2(alpha + beta), A ne 0, `
`"then "tan 2 beta=`

A

`(sin 2 alpha (1 + A cos 2 beta))/(A cos2 alpha cos 2 beta)`

B

`(sin 2 alpha (1-A cos 2 beta))/(A cos 2 alpha. cos 2 beta)`

C

`(cos 2 alpha(1 - A sin beta))/(A cos 2 alpha cos 2 beta)`

D

`(cos 2 alpha(1 + A sin 2 beta))/(A cos 2 alpha cos 2 beta)`

Text Solution

Verified by Experts

The correct Answer is:
B
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