Y add 6.5600000000000005 div mul sub mul -0.927 tan sub mul -0.719 x_2 mul -60.0 x_5 mul 28.1 div sub mul 0.586 x_4 sub mul -0.41200000000000003 x_8 mul -2.14 x_6 x_8 x_2 mul x_1 mul x_7 div pow3 add 56.0 mul 51.300000000000004 mul cos add 0.18 mul -0.122 x_3 x_4 x_0