atanh Pow 0.0366271824601634 acot x0 
Mul Mul Pow 0.0366271824601634 Add acot x0 -1 Mul -3.27033744160412 Mul -1 Pow Add 1 Mul x0 x0 -1 Pow Add 1 Mul -1 Mul Pow 0.0366271824601634 acot x0 Pow 0.0366271824601634 acot x0 -1 