/ /2*pi\\ |cos|----|| | \ x /| lim |---------| x->2+\ -1 + 3*x/
Limit(cos((2*pi)/x)/(-1 + 3*x), x, 2)
/ /2*pi\\ |cos|----|| | \ x /| lim |---------| x->2+\ -1 + 3*x/
-1/5
= -0.2
/ /2*pi\\ |cos|----|| | \ x /| lim |---------| x->2-\ -1 + 3*x/
-1/5
= -0.2
= -0.2