What are coterminal angles?

The video tutorial explains coterminal angles, emphasizing their importance and how to find them by adding or subtracting 2π. It covers the concepts of initial and terminal sides, and discusses the infinite nature of coterminal angles, providing examples of positive and negative angles. The tutorial concludes with a summary and encourages viewer interaction.

Describe the process of adding or subtracting 2π to find coterminal angles.

Why are there infinitely many coterminal angles for any given angle?