/ 2 \ -\1 - tanh (x)/*cos(tanh(x)) ----------------------------- 2 sin (tanh(x))
/ 2 / 2 \\ / 2 \ | 2 2*cos(tanh(x))*tanh(x) 2*cos (tanh(x))*\-1 + tanh (x)/| \-1 + tanh (x)/*|-1 + tanh (x) - ---------------------- + -------------------------------| | sin(tanh(x)) 2 | \ sin (tanh(x)) / ------------------------------------------------------------------------------------------ sin(tanh(x))
/ 2 2 \ | / 2 \ 2 / 2 \ / 2 \ 3 2 / 2 \ | / 2 \ | / 2 \ 2*\-1 + tanh (x)/*cos(tanh(x)) 4*tanh (x)*cos(tanh(x)) 5*\-1 + tanh (x)/ *cos(tanh(x)) 6*\-1 + tanh (x)/ *cos (tanh(x)) 12*cos (tanh(x))*\-1 + tanh (x)/*tanh(x)| \-1 + tanh (x)/*|- 6*\-1 + tanh (x)/*tanh(x) + ------------------------------ + ----------------------- + ------------------------------- + -------------------------------- - ----------------------------------------| | sin(tanh(x)) sin(tanh(x)) sin(tanh(x)) 3 2 | \ sin (tanh(x)) sin (tanh(x)) / ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ sin(tanh(x))