acos Pow Mul -2.09471254726110 x0 x6 
Mul -1 Mul Mul Pow Mul -2.09471254726110 x0 Add x6 -1 Mul x6 -2.09471254726110 Pow sqrt Add 1 Mul -1 Mul Pow Mul -2.09471254726110 x0 x6 Pow Mul -2.09471254726110 x0 x6 -1 