acot Add Pow 0.523598775598299 acoth x0 x3 
Mul -1 Mul Mul Pow 0.523598775598299 Add acoth x0 -1 Mul -0.123430807780356 Pow Add 1 Mul -1 Mul x0 x0 -1 Pow Add 1 Mul Add Pow 0.523598775598299 acoth x0 x3 Add Pow 0.523598775598299 acoth x0 x3 -1 