sqrt Pow 0.265802228834080 Mul x0 atan Pow pi x7 
Mul Pow Mul 2 sqrt Pow 0.265802228834080 Mul x0 atan Pow pi x7 -1 Mul Pow 0.265802228834080 Add Mul x0 atan Pow pi x7 -1 Mul -1.05920051852378 atan Pow pi x7 