Y add 0.715 div x_0 mul div div sub mul 87.5 pow2 add -7.0 mul -8.69 x_8 add mul -4.94 tan add -12.200000000000001 mul -0.79 x_5 mul 9.200000000000001 div add mul -0.5630000000000001 x_3 mul -0.278 x_7 x_4 x_6 cos add mul 0.065 x_8 mul 8.76 x_2 sin add 7.11 mul 4.5 x_1