" (iii) "cot^(-1)(sqrt(1+x^(2))-x)

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

Differentiate the following functions with respect to x:tan^(-1){(sqrt(1+x^(2))+1)/(x)},x!=0 (ii) cot^(-1){sqrt(1+x^(2))+x}

Write cot^(-1) (sqrt(1+x^(2))-x) in the simplest form.

Differentiate the following w.r.t. x : cot^(-1)(sqrt(1+x^(2))-x) .

Write the following in the simplest form cot^(-1)(sqrt(1+x^(2))-x)

Write the following functions in the simplest from : cot^(-1)(sqrt(1+x^(2))-x)

Prove the followings : cot^(-1)((sqrt(1+x^(2))-1)/x)=pi/2-1/2tan^(-1)x