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) /