Trig Functions

What is the period for  $y=-2\sin\frac{x}{3}$  

• 2

•  $\frac{x}{3}$  

•  $6\pi$  

•  $\frac{1}{3}$  

This graph has not shifted in any way. Is it sine or cosine?

• sine

• cosine

Amplitude refers to....

• how high and low the function varies from the center line.

• the length of the function

• how often the function repeats

• how excited you are right now

The period of a function is

• how long one cycle is before the function repeats

• how high and low the function goes from the center line

• the range of the function

• the length of time to finish this question

Sine or Cosine?

• y=sinx
• y=cosx

Sine or Cosine?

• y=sinx
• y=cosx

The __________ represents half the distance between the max and min of a sine or cosine graph. 

• Period
• Frequency
• Extreme Values
• Amplitude

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 amplitude of this function?

• 2
• 2π
• -2
• 1

What is the period?

• π/4
• π/2
• 3π/4
• π