/ 3 1 \ lim |x - -----------| x->1+\ sin(-1 + x)/
Limit(x^3 - 1/sin(-1 + x), x, 1)
-oo
= -149.981104345113
/ 3 1 \ lim |x - -----------| x->1-\ sin(-1 + x)/
oo
= 151.981367491466
-149.981104345113