Integrate the function $\begin{align*}\int\frac{x^3}{\sqrt{1-x^8}} \end{align*}$

Question

$\begin{array}{1 1} \large \frac{1}{4} \sin^{-1}(x^4)+c \\ \large \frac{1}{4} \cos^{-1}(x^4)+c \\ \large \frac{1}{4} \sin(x^4)+c \\ \large \frac{1}{4} \cos (x^4)+c\end{array}$