atan(log(x))
atan(log(x))
1 --------------- / 2 \ x*\1 + log (x)/
/ 2*log(x) \ -|1 + -----------| | 2 | \ 1 + log (x)/ ------------------- 2 / 2 \ x *\1 + log (x)/
/ 2 \ | 1 3*log(x) 4*log (x) | 2*|1 - ----------- + ----------- + --------------| | 2 2 2| | 1 + log (x) 1 + log (x) / 2 \ | \ \1 + log (x)/ / -------------------------------------------------- 3 / 2 \ x *\1 + log (x)/