4/22 - Trig Review

Sine or Cosine?

• y=sinx
• y=cosx

Sine or Cosine?

• y=sinx
• y=cosx

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 domain and range of y=sinx?

• D: (-∞, ∞)
  R: [-1, 1]
  
• D: (-∞, ∞)
  R: [-π, π]
• D: (∞, -∞)
  R: [-1, 1]
  
• D: (-∞, ∞)
  R: [-∞, ∞]
  

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 graph? 

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

What is the amplitude of the graph? 

• -2
• 2
• 4
• -4

What is the period?

• π/4
• π/2
• 3π/4
• π

What is the period of y=4cos5x

• 2π/5
• π
• 5
• 5π

What is the equation of this graph?

• y=cos2x
• y=2sin2x
• y=2cos2x
• y=2sinx