Sine Curve

Sine or Cosine?

• y=sinx

• y=cosx

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 this graph?

• y=cos2x

• y=2sin2x

• y=2cos2x

• y=2sinx

What is the equation of the graph shown?

• y = -sinθ -1

• y = -sinθ/2 -1

• y = -2sin2θ + 1

• y = sinθ/2 + 1

What is the amplitude of the graph?

• 1

• 3

• 6

• 9

What is the amplitude and period of the function: y= 2/5sin9x

• Amplitude: 2/5 Period: 2π/9

• Amplitude: 2/5 Period: π/6

• Amplitude: 5/2 Period: 2π/9

• Amplitude: 5/2 Period: π/6

What is the amplitude of y = -3sin (7x) -2

• 7

• -2

• 3

• -3

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

• Pi

• 2Pi

• Pi/2

• Pi/4 

What is the period?

• 4π

• 2π

• π

• 8π