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Choose the odd man out...

Choose the odd man out

A

`tan(tan^(-1)x)=x"if "x""inR`

B

`sin^(-1)((1)/(x))=cosecx" if "x""inR//(-1,1)`

C

`cos^(-1)((1)/(x))=secx" if "x""inR//(-1,1)`

D

`tan^(-1)((1)/(x))={{:(cot^(-1)x","" if "xgt0),(-pi+cot^(-1)x" if "xlt0):}`

Text Solution

Verified by Experts

The correct Answer is:
A
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