Y add 83.80000000000001 sub mul 7.8100000000000005 tan add -51.1 mul 6.3500000000000005 x_1 add mul -0.7000000000000001 tan add 68.10000000000001 mul 3.04 x_1 mul 1.55 div x_1 pow2 sub mul -0.148 x_0 sub mul -0.484 x_0 mul -0.5750000000000001 x_1