acoth Pow atan cosh x0 -5.99505475368673 
Mul Mul Pow atan cosh x0 -6.99505475368673 Mul -5.99505475368673 Mul sinh x0 Pow Add 1 Mul cosh x0 cosh x0 -1 Pow Add 1 Mul -1 Mul Pow atan cosh x0 -5.99505475368673 Pow atan cosh x0 -5.99505475368673 -1 