Y add 2.23 mul x_0 div div add mul -5.8100000000000005 x_4 mul 2.49 div x_2 x_7 div mul cos add -3.0300000000000002 mul -4.6000000000000005 x_5 x_3 sub sub mul 7.1000000000000005 x_8 mul -0.81 x_1 mul 0.55 x_6 x_9