Determine the one-sided limits numerically or graphically. If infinite, state whether the one-sided limits are or

Question:

Determine the one-sided limits numerically or graphically. If infinite, state whether the one-sided limits are ∞ or −∞, and describe the corresponding vertical asymptote. In Exercise 52, ƒ(x) =[x] is the greatest integer function defined in Exercise 43.

lim cos ([x]-x)