Sine & Cosine Graphs

Which graph is this?

• y = sin x

• y = - sin x

• y = cos x

• y = - cos x

What is the amplitude of the sine and cosine graph

• 2

• 1

• 0

• 2pi

Which is true?

• The blue graph is cos and the green graph is -cos.

• The blue graph is sin and the green graph is -sin.

• The blue graph is -cos and the green graph is cos.

• The blue graph is -sin and the green graph is sin.

Which graph passes through the origin?

• Sine

• Cosine

• Neither

• Both

What is the period of y=4cos5x

• 2π/5

• π

• 5

• 5π

Which of the following statements are true about the cosine graph?

• The graph passes through (1,0)

• The graph passes through the origin.

• The graph has a period of 2pi.

• The graph goes on forever in both directions.

Which of the following points are on the graph of y = sin x

• (0,0)

• (0,1)

• (pi,0)

• (3pi/2,-1)

Which of the following points are on the graph of y = cos x

• (0,0)

• (pi,-1)

• (2pi,1)

• (pi/2,1)

Find a and d for the function f(x) = asinx + d such that the graph of f(x) matches the graph shown.

• a = 2, d = -1

• a = 2, d = 2

• a = 4, d = 1

• a = 4, d = -3

Choose the equation to represent the graph shown.