/x + 1\
asin|-----|
\ 2 /
asin((x + 1)/2)
1
---------------------
______________
/ 2
/ (x + 1)
2* / 1 - --------
\/ 4
1 + x
-------------------
3/2
/ 2\
| (1 + x) |
8*|1 - --------|
\ 4 /
2
3*(1 + x)
4 + ------------
2
(1 + x)
1 - --------
4
--------------------
3/2
/ 2\
| (1 + x) |
32*|1 - --------|
\ 4 /