sech Pow 1.38629436111989 Add pi coth x0 
Mul Mul tanh Pow 1.38629436111989 Add pi coth x0 Mul -1 sech Pow 1.38629436111989 Add pi coth x0 Mul Pow 1.38629436111989 Add Add pi coth x0 -1 Mul 1.71292862109817 Mul -1 Pow csch x0 2 