/ 2*x \ lim \1 - E *cot(x)/ x->0+
Limit(1 - E^(2*x)*cot(x), x, 0)
-oo
= -152.011066759193
/ 2*x \ lim \1 - E *cot(x)/ x->0-
oo
= 150.011008283081
-152.011066759193