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If u=log(e )"Tan"((3pi)/(4)+(theta)/(2))...

If `u=log_(e )"Tan"((3pi)/(4)+(theta)/(2))` then `coshu=`

A

`sec theta`

B

`tan theta`

C

`-sec theta`

D

`-tan theta`

Text Solution

Verified by Experts

The correct Answer is:
C
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