Asked by jackie

find the derivative of y=sqrt of arctan x
Answered by Collin
y'=[(1/2)*(arctan(x))^(-1/2)]*(1/(1+x^(2)))
Answered by Collin
Use the chain rule d/dx[f(x)^(n)]=
(n(f(x))^(n-1))*(f'(x)).