lim tan(5*x) x->oo
Limit(tan(5*x), x, oo, dir='-')
<-oo, oo>
lim tan(5*x) x->0+
0
= 4.17375539867782e-30
lim tan(5*x) x->0-
= -4.17375539867782e-30
4.17375539867782e-30