Mul x0 Mul Add Pow x0 x2 -0.416146836547142 acot Add x0 -2 
Add Mul Add Pow x0 x2 -0.416146836547142 acot Add x0 -2 Mul x0 Add Mul acot Add x0 -2 Mul Pow x0 Add x2 -1 x2 Mul Add Pow x0 x2 -0.416146836547142 Mul -1 Pow Add 1 Mul Add x0 -2 Add x0 -2 -1 