Identifying Sine and Cosine Points

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 equation of the graph?

• y = - 6 cos x - 1

• y = 3 cos x - 4

• y = -7 cos x 

• y = -3 cos x - 4 

What is the amplitude of the graph? 

• 1

• 3

• 6

• 9

What is the equation of this graph?

• y=cos2x

• y=2sin2x

• y=2cos2x

• y=2sinx

The period of a sine or cosine graph can be found by ....

• It's always 2π

• 2π/B

• B(2π)

• 2π+B

What is the period of either graph? 
(y = sin/cos x)

• Pi

• 2Pi

• Pi/2

• Pi/4 

What is the equation of the graph?

•  y = 2 cos x

• y = sin x

• y = 2 sin x

• y = sin 2x 

What is the equation of the graph shown?

• y=1/2cos2x

• y=1/2sin4x

• y=1/2cos4x

• y=4cos1/2x

What is the equation of the blue graph?

• y = 2sin x

• y = sin(2x)

• y = sin(x + 2)

• y = sin x - 2