/ 3 \ |x *cot(2*x)| lim |-----------| x->0+\ -1 + x /
Limit((x^3*cot(2*x))/(-1 + x), x, 0)
/ 3 \ |x *cot(2*x)| lim |-----------| x->0+\ -1 + x /
0
= -1.43898193248995e-30
/ 3 \ |x *cot(2*x)| lim |-----------| x->0-\ -1 + x /
0
= -2.75182099526916e-29
= -2.75182099526916e-29