Y add -99.9 div tan add mul -19.1 x_0 mul -0.857 pow3 add -0.188 mul -0.424 x_3 mul add add mul 0.07 x_2 mul 0.9520000000000001 cos add -4.84 mul 10.700000000000001 x_1 mul 6.5600000000000005 exp add -1.44 mul -0.91 x_3 x_3