Y add 4.800000000000001 div x_0 div div tan add -0.417 mul 9.55 x_0 div sub mul 3.0100000000000002 exp add -0.796 mul -0.426 x_1 mul -11.700000000000001 x_3 add mul -2.1 x_2 mul -0.91 cos add 9.35 mul 18.0 x_1 pow2 add -3.97 mul -0.682 x_4