/ 1 \ asin|-----| | ___| \\/ x /
asin(1/(sqrt(x)))
-1 ------------------ _______ 3/2 / 1 2*x * / 1 - - \/ x
1 3 + --------- / 1\ x*|1 - -| \ x/ ------------------ _______ 5/2 / 1 4*x * / 1 - - \/ x
/ 3 10 \ -|15 + ----------- + ---------| | 2 / 1\| | 2 / 1\ x*|1 - -|| | x *|1 - -| \ x/| \ \ x/ / -------------------------------- _______ 7/2 / 1 8*x * / 1 - - \/ x