Sine and Cosine Equations

which value represents midline in the function y = asin(bx-h) + k

• a

• b

• h

• k

What is the midline of this graph?

• y = 0

• y = -1

• y = -2

• y = -3

What is the period of the function y=5cos(⅕x)

• 10π

• 2π/5

• ⅕

• 10

Which function represents the graph?

• f(x) = cos (⅓ x)

• f(x) = ⅓ cos x

• f(x) = ⅓ sin x

• f(x) = sin (⅓ x)

What is the equation of graph? 

• y = sin 5x

• y =  cos 5x

• y = 5 sin x

• y = 5 cos x 

What is the equation of this graph?

• y=cos2x

• y=2sin2x

• y=2cos2x

• y=2sinx

What is the amplitude of the graph?

• 2

• 1

• 0

• -2

This is the graph of a____________function.

• positive sine

• positive cosine

• negative sine

• negative cosine

What is the vertical shift (d)?

• y=1

• y=2

• y= 90

• y= - 180

What is the value of "c?"

• 135

• 90

• -90

• -180