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If tan A = 1//2 , tan B=1//3 " then " co...

If `tan A = 1//2 , tan B=1//3 " then " cos 2A= `

A

`sin B `

B

`sin 2B`

C

`sin 3B`

D

`sin 4B`

Text Solution

Verified by Experts

The correct Answer is:
B
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