/ 17 \ lim acot|------| x->5+ \-5 + x/
Limit(acot(17/(-5 + x)), x, 5)
0
= 4.68486881487601e-34
/ 17 \ lim acot|------| x->5- \-5 + x/
= -4.68486881487601e-34
4.68486881487601e-34