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Let cos(alpha+beta) =4/5 and let sin (al...

Let `cos(alpha+beta) =4/5` and let `sin (alpha-beta)=5/13` where `0 le alpha, beta le (pi)/(4)` then `tan 2 alpha`

A

`25/16`

B

`56/33`

C

`19/12`

D

`20/7`

Text Solution

Verified by Experts

The correct Answer is:
B
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