Sin and Cos Function Graphs

What are the Amplitude, Period and Midline of this sin graph?

What is the midline of the graph shown?

• 12

• -12

• 24

• 8

• A
• B
• C
• D

Which equation?

• y= -cos(2x)

• y= cos(2x)

• y= (1/2)cosx

• y= (-1/2)cosx

Sine or Cosine?

• y=sinx

• y=cosx

Sine or Cosine?

• y=sinx

• y=cosx

What is the period of
y= -3sin(x)

• π

• 2π

• 3π

• 4π

What is the midline for
y=2cos(1/3x +π/6) +2

• 1/3

• -2

• +2

• 4

What is the amplitude of y = 3 cos 2x?

• 3

• 2

• 90
  90⁰

• 350⁰