/asin(x)\ /asin(x)\
cos|-------| 2*x*sin|-------|
\ 2 / \ 2 /
------------ - ----------------
2 3/2
-1 + x / 2\
\1 - x /
-------------------------------
4
$$\frac{- \frac{2 x \sin{\left(\frac{\operatorname{asin}{\left(x \right)}}{2} \right)}}{\left(1 - x^{2}\right)^{\frac{3}{2}}} + \frac{\cos{\left(\frac{\operatorname{asin}{\left(x \right)}}{2} \right)}}{x^{2} - 1}}{4}$$
/ /asin(x)\ /asin(x)\ 2 /asin(x)\\
|sin|-------| 2*x*cos|-------| 4*x *sin|-------||
| \ 2 / \ 2 / \ 2 /|
-3*|------------ + ---------------- + -----------------|
| 3/2 2 5/2 |
|/ 2\ / 2\ / 2\ |
\\1 - x / \-1 + x / \1 - x / /
--------------------------------------------------------
8
$$- \frac{3 \left(\frac{4 x^{2} \sin{\left(\frac{\operatorname{asin}{\left(x \right)}}{2} \right)}}{\left(1 - x^{2}\right)^{\frac{5}{2}}} + \frac{2 x \cos{\left(\frac{\operatorname{asin}{\left(x \right)}}{2} \right)}}{\left(x^{2} - 1\right)^{2}} + \frac{\sin{\left(\frac{\operatorname{asin}{\left(x \right)}}{2} \right)}}{\left(1 - x^{2}\right)^{\frac{3}{2}}}\right)}{8}$$