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If y sqrt((1-cos2x)/(1 + cos2x))" then "...

If y `sqrt((1-cos2x)/(1 + cos2x))" then " dy/dx = 0`

A

`1/2((1-cos2x)/(1 + cos2x))^(-1//2)`

B

`cot^2x`

C

`sec^2x`

D

`((1 + cos2x)/(1 - cos2x))^(3//2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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