1. ## integral by substitution

$\int\frac{arcsinx}{\sqrt(1-x^2)}dx$

pls do help on this problem, thanks

2. ## Re: integral by substitution

Originally Posted by lawochekel
$\int\frac{arcsinx}{\sqrt(1-x^2)}dx$

pls do help on this problem, thanks
You should know that \displaystyle \begin{align*} \frac{d}{dx}\left(\arcsin{x}\right) = \frac{1}{\sqrt{1 - x^2}} \end{align*}, so there is a really obvious substitution to be made...