What trigonometric function is primarily discussed in the video?

• Cosine

• Sine

• Tangent

• Cotangent

How is the midline (D value) calculated from the graph?

• (Max + Min) / 2

• Min / Max

• (Max - Min) / 2

• Max / Min

What does the amplitude (A value) represent in the context of the graph?

• Period of the function

• Shift along the y-axis

• Shift along the x-axis

• Distance from the midline to the maximum

What is the B value if the new period of the graph is 720 degrees?

• 360

• 2

• 1

• 0.5

What indicates a phase shift in the graph?

• No maximum or minimum

• Minimum at x = 0

• Maximum at x = 0

• Maximum not at x = 0

What is the phase shift (C value) if the first maximum occurs at x = 90?

• -90

• 0

• 90

• 180

What is the final equation of the cosine function derived in the video?

• y = 2 cos(x - 90) - 2

• y = 2 cos(0.5(x + 90)) + 2

• y = cos(0.5(x - 90)) - 2

• y = 2 cos(0.5(x - 90)) - 2