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