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.

What is the initial period of the cosine graph discussed in class?

• 3π

• π/2

• 2π

• π

How does the amplitude change when the absolute value is 0.5?

• The graph goes up to 1

• The graph goes up to 0.5

• The graph goes up to 2

• The graph goes up to 1.5

What is the formula to calculate the period of a cosine function?

• 2π/B

• B/2π

• π/B

• B/π

How is the x-scale calculated for the transformed cosine graph?

• Period divided by 2

• Period divided by 3

• Period divided by 4

• Period divided by 5

What is the simplified form of 2π/6?

• π/3

• π/2

• π/4

• π/6

Where does the cosine graph start in terms of critical points?

• At the x-intercept

• At the midpoint

• At the minimum

• At the maximum

How does the period change with the transformation discussed?

• It becomes π

• It becomes 2π

• It becomes 2π/3

• It becomes π/2