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(d)/(sx)[log(sqrt((1-cosx)/(1+cosx)))]=...

`(d)/(sx)[log(sqrt((1-cosx)/(1+cosx)))]=`

A

`secx`

B

`cscx`

C

`csc"(x)/(2)`

D

`sec"(x)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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