asech Mul x0 acot Add -0.457657554360286 x0 
Mul Add acot Add -0.457657554360286 x0 Mul x0 Mul -1 Pow Add 1 Mul Add -0.457657554360286 x0 Add -0.457657554360286 x0 -1 Pow Mul Mul Mul x0 acot Add -0.457657554360286 x0 Mul x0 acot Add -0.457657554360286 x0 sqrt Add 1 Mul -1 Pow Mul Mul x0 acot Add -0.457657554360286 x0 Mul x0 acot Add -0.457657554360286 x0 -1 -1 