1.

cot^(-1)((sqrt(1+x^(2))-1)/(x))=

Answer»

`(PI)/(2)-(1)/(2)COT^(-1)x`
`cot^(-1)x`
`-(1)/(2)TAN^(-1)x`
`(pi)/(2)-(1)/(2)tan^(-1)x`

ANSWER :D


Discussion

No Comment Found

Related InterviewSolutions