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If tanh^(2)(x)=tan^(2)theta then cosh(2x...

If `tanh^(2)(x)=tan^(2)theta` then `cosh(2x)=`

A

`sec theta`

B

cosec`theta`

C

`sin theta`

D

`cos theta`

Text Solution

Verified by Experts

The correct Answer is:
A
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