Graphing Trig Functions

10.  What is the equation of the graph?

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

11.  What is the equation of graph? 

• y = sin 5x
• y =  cos 5x
• y = 5 sin x
• y = 5 cos x 

12.  What is the vertical shift? 

• Down 1
• Down 5
• Down 3
• Down 4

13.  What is the equation of the graph?

• y = -2 cos x - 3
• y = 3 cos x - 2
• y = -7 cos x - 3
• y = -3 cos x - 4 

14.  What is the amplitude of the graph? 

• 1
• 3
• 6
• 9

15.  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

17.  Determine the equation

• tan x
• cot x
• tan 2x
• cot 2x

Sine or Cosine?

• y=sinx
• y=cosx

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