3 sin (x) + atan(4*x)
sin(x)^3 + atan(4*x)
4 2 --------- + 3*sin (x)*cos(x) 2 1 + 16*x
3 128*x 2 - 3*sin (x) - ------------ + 6*cos (x)*sin(x) 2 / 2\ \1 + 16*x /
2 128 3 2 8192*x - ------------ + 6*cos (x) - 21*sin (x)*cos(x) + ------------ 2 3 / 2\ / 2\ \1 + 16*x / \1 + 16*x /