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If tan A = tan alpha tanh beta, tan B = ...

If tan A = tan `alpha` tanh `beta`, tan B = cot `alpha` tanh `beta`, then tan (A + B) =

A

`sin h (2 beta) cos 2 alpha`

B

`sin h (2 beta) "cosec" (2 alpha)`

C

`cos h (2 beta) sec 2 alpha`

D

`cos h (2 beta) sin 2 alpha`

Text Solution

Verified by Experts

The correct Answer is:
B
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