Y add -8.75 sub mul -0.128 cos add -2.6 mul 47.800000000000004 x_2 add mul 89.80000000000001 div tan add -0.8160000000000001 mul -8.69 x_3 x_4 mul 9.6 div x_1 pow2 add -0.5640000000000001 mul 0.501 mul x_2 inv add 72.60000000000001 mul 0.439 x_0