asin(2*x - 1/3)
asin(2*x - 1/3)
2 --------------------- __________________ / 2 \/ 1 - (2*x - 1/3)
4*(-1/3 + 2*x) -------------------- 3/2 / 2\ | (-1 + 6*x) | |1 - -----------| \ 9 /
/ 2 \ | (-1 + 6*x) | 8*|1 + -------------------| | / 2\| | | (-1 + 6*x) || | 3*|1 - -----------|| \ \ 9 // --------------------------- 3/2 / 2\ | (-1 + 6*x) | |1 - -----------| \ 9 /