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Value of 2 cot^(-1)""(1)/(2)-cot^(-1)...

Value of ` 2 cot^(-1)""(1)/(2)-cot^(-1)""(4)/(3)`is-

A

`-(pi)/(6)`

B

`(3pi)/(2)`

C

`(pi)/(4)`

D

`(pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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