Graphs of Trig. Functions

Sine or Cosine?

• y=sinx
• y=cosx

Sine or Cosine?

• y=sinx
• y=cosx

What is the period?

• 4π
• 2π
• π
• 8π

What is the phase shift?
y=-2sin(x-π)

• π left
• π right
• none
• 2π right

What is the phase shift?
y=3cos(2x)

• π
• 2π
• 1/2π
• none

What is the range?
y=3cos(2x)

• (-3,3) 
• [-2,2]
• [-3,3]
• [3,-3]

Which equation?

• y= sin(1/3x)
• y= (1/3)sinx
• y= 3sinx
• y= sin(3x)

Which equation?

• y= cos2x
• y= (1/2)cosx
• y= cos(1/2)x
• y= 2cosx

Which equation?

• y= -cos(2x)
• y= cos(2x)
• y= (1/2)cosx
• y= (-1/2)cosx

What is the equation of the graph?

•  y = 2 cos x
• y = sin x
• y = 2 sin x
• y = sin 2x