acot(x)*cos(x) + 15
acot(x)*cos(x) + 15
cos(x) - ------ - acot(x)*sin(x) 2 1 + x
2*sin(x) 2*x*cos(x) -acot(x)*cos(x) + -------- + ---------- 2 2 1 + x / 2\ \1 + x /
2 2*cos(x) 3*cos(x) 8*x *cos(x) 6*x*sin(x) acot(x)*sin(x) + --------- + -------- - ----------- - ---------- 2 2 3 2 / 2\ 1 + x / 2\ / 2\ \1 + x / \1 + x / \1 + x /