Functions (trigonometric)

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

• y=6sin1/4x

• y=6sin(8x)

• y=6sinx

• y=6sin8(x-1)

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

• π
• 5
• 5π

What is the period of this function?

• 4π
• 2π
• π
• ½

What is the period of the graph of the function?

• 1/2

• 1

• 2

• 3/2

 What is the period of the function $y=2\sin\ \frac{2}{3}x-1$ ?

•  $\frac{2}{3}$  

• 2

•  $\frac{2}{3}\pi$  

•  $3\pi$  

The period of the one cycle image is:

• $2\pi$

• $\pi$

• $\frac{1}{2}\pi$

• Not enough information

What is the period of
y= -3 sin(x)

• π
• 2π
• 3π
• 4π

Which of the following are NOT periods of y=sin(x)

• [0°,360°)

• [0,2π)

• [0°,180°)

• [0,π)

• [-20π,-18π)

Given a sinusoidal function has amplitude 8 and a maximum value of 12, What is the minimum value?

• 4

• -4

• 20

• -12