underset (x to (pi)/(4))(Lt) (1-cot^(3)x...

`underset (x to (pi)/(4))(Lt) (1-cot^(3)x)/(2-cotx-cot^(3)x)=`

A

`(11)/(4)`

B

`(3)/(4)`

C

`(1)/(2)`

D

0

Verified by Experts

The correct Answer is:

B

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