Sine Cosine Graphing

Find the amplitude of y=-5cos1/2x+π

• 1

• -5

• 1/2

• 5

Find the phase shift of y=-4cos[1/4x+π/4]

• 2π units to the right

• π units to the right

• π units to the left

• 2π units to the left

Find the period of y=-4cos[1/3x+π/4]

• 2π/3

• 3π

• 6π

• π/4

Find the period of y=cos[3x+π/2]

• 2π/3

• 6π

• 3π

• 4π/3

y=2sin[6x-π/4]-2

• Amplitude is 2

• Amplitude is -2

• Midline is y=2

• Midline is y=-2

• Phase shift is π/24 to the right

What is the amplitude of this function?

• 2

• 2π

• -2

• 1

Which equation?

• y= -cos(2x)

• y= cos(2x)

• y= (1/2)cosx

• y= (-1/2)cosx

What is the period of the function shown?

What is the equation of the graph?

•  y = 2 cos x

• y = sin x

• y = 2 sin x

• y = sin 2x 

What is the amplitude of this function?

• 2

• 2π

• -2

• 1