Graphing Sine and Cosine

Sine or Cosine?

• y=sinx

• y=cosx

Sine or Cosine?

• y=sinx

• y=cosx

What is the period?

• π/4

• π/2

• 3π/4

• π

What is the period of y=4cos5x

• 2π/5

• π

• 5

• 5π

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

• f(x) = 3 sin x

• f(x) = 3 cos x

• f(x) = sin (3 x)

• f(x) = cos (3 x)

Write an equation of a sine function with a period of π and amplitude of 7.

• y=7sin2πx

• y=7sinπx

• y=2sin7x

• y=7sin2x

What is the equation of the graph?

•  y = 2 cos (x)

• y = sin (x)

• y = 2 sin (x)

• y = sin (2x) 

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

• 7

• -2

• 3

• 6

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

• 2π/5

• π

• 5

• 5π