Vocabulary
Phase shifts
Frequency
100
Half the height of a wave
Amplitude
100
What needs to be done to get y=sin x to equal y =cos x
pi/2 to the left
100
|B|/2x
How to find Frequency
200
The Length of one fully cycle of a wave
A period
200
What situation may you need to combine a phase shift with a period change
When a given point wont line up till a phase shift is done
200
What is another way to think of Frequency
The reciprocal of the period
300
Number of complete cycles a wave complete in a unit interval
A frequency
300
What does this show
y=-cos x and y=cos x
300
The period of a sinusoid is 7/13pi what is the frequency?
13pi/7
400
A horizontal shift from a graphs usual position
Phase shift
400
What shift needs to be done to get this to line up
-pi or + pi
400
Given the problem F(x)=51sin(7/4x) what is the frequency?
7/8pi
500
F(x)=A sin (Bx+c)+d
a sinusoid
500
Given y=cos(2x) and y = -sin(2x). What phase shift in -sin= cos(2x) would need to be done to get these to line up
(Hint- if you took notes and did graph before you have both these graphs ;) )
-sin=cos(2x-3pi/2)
500
Given the problem F(x)=8sin(16/47x) what is the frequency
8/47pi