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(1 + tan h(x//2))/(1-tan h(x//2))=...

`(1 + tan h(x//2))/(1-tan h(x//2))=`

A

`e^(-x)`

B

`e^(x)`

C

`2 e^(x//2)`

D

`2e^(-x//2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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