Explore limits at infinity in this 30-minute mathematics video. Dive into various problems from section 2.6, including limits of complex functions like arctan(e^x) and e^(-2x)*cos(x). Learn to check two-sided limits and understand key concepts such as horizontal asymptotes, vertical asymptotes, and removable discontinuities. Practice with a diverse set of exercises to reinforce your understanding of limits at infinity and their applications in calculus.