Learn How to Graph the Equation of Cosine

The video tutorial covers the initial properties of a cosine graph, including its period and xscale. It explains how changes in amplitude and period affect the graph and provides steps to calculate the X scale. The tutorial demonstrates graphing with new parameters and emphasizes understanding the behavior of the cosine graph, including its critical points and cycle completion. The session concludes with instructions for homework, focusing on practicing these concepts.

How do you simplify the fractions related to the X scale in the cosine function?

What changes occur in the graph of the cosine function when the amplitude and period are altered?

What is the significance of the initial period in the context of the cosine function?