/ 2/ 3\\ |cot \x /| lim |--------| x->0+| 2 | \ x /
Limit(cot(x^3)^2/x^2, x, 0)
/ 2/ 3\\ |cot \x /| lim |--------| x->0+| 2 | \ x /
oo
= 2.70281038127116e+17
/ 2/ 3\\ |cot \x /| lim |--------| x->0-| 2 | \ x /
oo
= 2.70281038127116e+17
= 2.70281038127116e+17