Y add 0.981 mul div div sin add 0.8280000000000001 mul -6.83 x_0 x_6 div sub mul 66.0 cos add mul -25.400000000000002 x_5 mul 2.58 div x_5 x_4 mul 0.371 x_7 mul div add mul 91.60000000000001 x_3 mul 0.75 x_1 x_2 add mul 0.5 x_3 add mul -1.0 exp add 0.258 mul -0.3 x_8 mul 7.92 x_6 inv add -0.8170000000000001 mul -1.67 x_1