log(atan(x)) ------------ 2 (atan(x)) *log(atan(x)) ---------------------------------- / 2\ \1 + x /*atan(x)
(atan(x)^(log(atan(x))/2)*log(atan(x)))/(((1 + x^2)*atan(x)))
log(atan(x)) -1 + ------------ 2 (atan(x)) *log(atan(x)) --------------------------------------- 2 1 + x
atan(x)^(-1 + log(atan(x))/2)*log(atan(x))/(1 + x^2)
atan(x)^(0.5*log(atan(x)))*log(atan(x))/((1.0 + x^2)*atan(x))
atan(x)^(0.5*log(atan(x)))*log(atan(x))/((1.0 + x^2)*atan(x))
log(atan(x)) -1 + ------------ 2 (atan(x)) *log(atan(x)) --------------------------------------- 2 1 + x
atan(x)^(-1 + log(atan(x))/2)*log(atan(x))/(1 + x^2)
log(atan(x)) -1 + ------------ 2 (atan(x)) *log(atan(x)) --------------------------------------- 2 1 + x
atan(x)^(-1 + log(atan(x))/2)*log(atan(x))/(1 + x^2)
log(atan(x)) ------------ 2 (atan(x)) *log(atan(x)) ---------------------------------- 2 x *atan(x) + atan(x)
atan(x)^(log(atan(x))/2)*log(atan(x))/(x^2*atan(x) + atan(x))