Y add -4.59 sub mul 91.2 x_1 sub add mul -1.03 cos add 7.5600000000000005 mul -61.7 x_0 mul 0.808 log add 7.01 mul 0.113 mul tan add 0.458 mul 0.438 x_1 tan add -26.900000000000002 mul -0.016 x_1 mul -0.9410000000000001 x_1