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If A=tan^(-1)(1//7), B=tan^(-1)(1//3), t...

If `A=tan^(-1)(1//7), B=tan^(-1)(1//3)`, then

A

`cos 2A = sin 2A`

B

`cos 2A = sin 2B`

C

`cos 2 A = cos 2B`

D

`cos 2A= sin 4B`

Text Solution

Verified by Experts

The correct Answer is:
D
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