Intro to Graphing Trig Functions

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

Determine an equation for this graph:

• y=sec(x)

• y=2sec(x)

• y=2csc(x)

• y= csc(2x)

What is the phase shift for y = 4cos(¹/₂x +π) - 2?

• left pi/2

• right pi/2

• right 2pi

• left 2pi

What is the period for y = 4cos(¹/₂x +π) - 2?

• pi/2

• pi

• 3pi

• 4pi

What is the amplitude for y = 4cos(¹/₂x +π) - 2?

• 2

• 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 

Where does the graph of y=sin(x) begin its first cycle?

• (0,0)

• (1,0)

• (0,Pi)

• (1, Pi)

Where does the graph of cosine begin?

• (0,0)

• (0,1)

• (0, Pi)

• (1, Pi)

What is the equation of graph? 

• y = sin 5x

• y =  cos 5x

• y = 5 sin x

• y = 5 cos x 

Sine or Cosine?

• y=sinx

• y=cosx