Pow sech sinh x0 Add Add -0.999909204262595 x4 x0 
Mul Pow sech sinh x0 Add Add Add -0.999909204262595 x4 x0 -1 Add Mul Add Add -0.999909204262595 x4 x0 Mul Mul tanh sinh x0 Mul -1 sech sinh x0 cosh x0 Mul sech sinh x0 log sech sinh x0 