Graphs of Sine and Cosine

The period of a sine or cosine graph can be found by ....

• It's always 2π

• 2π/b

• b(2π)

• 2π+b

What does a negative A value cause?

• A negative amplitude

• A reflection across the Y axis

• No effect

• A reflection across X axis

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

• Pi

• 2Pi

• Pi/2

• Pi/4 

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

• 7

• -2

• 3

• 6

What is the amplitude of the graph? 

• -2

• 2

• 4

• -4

What is the equation of graph? 

• y = sin 5x

• y =  cos 5x

• y = 5 sin x

• y = 5 cos x 

What is the period of
y= 4 cos (5x)

• 2π/5

• π

• 5

• 5π

What is the midline of this graph?

• y = 0

• y = -1

• y = -2

• y = -3

What is the domain and range of y=sinx?

• D: (-∞, ∞)
  R: [-1, 1]
  

• D: (-∞, ∞)
  R: [-π, π]

• D: (∞, -∞)
  R: [-1, 1]
  

• D: (-∞, ∞)
  R: [-∞, ∞]
  

Write the equation for a sine function with an amplitude of 6 and a period of π/4.

• y=6sin(8x)

• y=6sin8(x-1)

• y=6sin1/4x

• y=6sinx