/ / x \\ |atan\E - 3/| |------------| \ 2 / -------------- 2
(atan(E^x - 3)/2)/2
/ / x\ x\ | 2*\-3 + e /*e | x |1 - --------------|*e | 2| | / x\ | \ 1 + \-3 + e / / ----------------------- / 2\ | / x\ | 4*\1 + \-3 + e / /
/ 2 \ | 2*x / x\ x / x\ 2*x| | 2*e 6*\-3 + e /*e 8*\-3 + e / *e | x |1 - -------------- - -------------- + -----------------|*e | 2 2 2| | / x\ / x\ / 2\ | | 1 + \-3 + e / 1 + \-3 + e / | / x\ | | \ \1 + \-3 + e / / / ------------------------------------------------------------ / 2\ | / x\ | 4*\1 + \-3 + e / /