Y add -0.9 sub mul 0.975 x_4 add mul 3.4 x_0 sub mul 1.3900000000000001 div x_3 div x_5 pow2 add -0.48 mul 0.972 mul x_6 tan sub mul -0.05 x_2 mul 4.2 x_7 mul -11.0 cos add 0.8190000000000001 mul -3.5100000000000002 x_1