1.

sin[cot^(-1){cos(tan^(-1)x)}]=

Answer»

`SQRT((X^(2)+2)/(x^(2)+1))`
`sqrt((x^(2)+1)/(x^(2)+2))`
`x/(sqrt(x^(2)+2))`
`1/(sqrt(x^(2)+2))`

Answer :B


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