asin(x + 1)
d --(asin(x + 1)) dx
1 ----------------- ______________ / 2 \/ 1 - (x + 1)
1 + x
-----------------
3/2
/ 2\
\1 - (1 + x) /
2
3*(1 + x)
1 + ------------
2
1 - (1 + x)
-----------------
3/2
/ 2\
\1 - (1 + x) /