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cot^(-1)(-2) is equal to...

`cot^(-1)(-2)` is equal to

A

`pi-tan^(-1)(1/2)`

B

`tan^(-1)(1/2)`

C

`-tan^(-1)1/2`

D

`cot^(-1)2`

Text Solution

Verified by Experts

The correct Answer is:
A
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