Y add -0.928 div x_0 sub mul -8.47 div x_2 x_7 add mul 5.2700000000000005 x_3 add add mul -40.6 div x_2 x_5 mul 0.15 div sub mul -0.868 x_7 mul 0.52 mul x_4 cos add -8.55 mul -6.5600000000000005 x_1 div x_4 x_6 mul 4.05 x_0