Periodic Data
Angles and the Unit Circle
Radian Measure
Sine and Cosine Functions
Translating Graphs
100
Is the function periodic?
Yes
100
What is the definition of "initial side"?
The starting side of the angle
100
Formula for converting degrees into radians
(pi radians)/180
100
Sin 2
0.9
100
If the parent function is y=cosx, what is the equation of the graph translated 4 units up?
y=cosx + 4
200
Is this function periodic? 
No
200
To get a positive angle measurement, you must go around a unit circle in a __________ direction.
Counterclockwise
200
What is the degree measurement of an angle at
(pi) / 2 radians
90
200
sin
(pi)
0
200
Describe what is happening to this graph
y=cos(x-2)
The graph is shifting right by two
300
What is the period of this graph?
4
300
What is a sketch of a -150 degree angle?
300
What is the radian measure of an angle at 225 degrees?
(5pi)/4 radians
300
How many cycles occur in the Sine graph?
2
300
What is the equation that models this translation?
y= sinx,
(pi) units down
y= sin x -
(pi)
400
What is the definition of a cycle in periodic functions?
One complete pattern
400
What is the coterminal angle of a 135 degree angle?
-225
400
What is the length of a?
(20pi)/3
400
What is the amplitude?
y=1.5cos20
1.5
400
What is the equation that models this translation?
y=2sin x,
(pi/4) units to the right
y=2sin(x-
(pi/4) )
500
What is a period of a periodic function?
The horizontal length, length of one cycle, distance along the x-axis
500
What are the cosine and sine of a 90 degree angle?
Cos = 0
Sin = 1
500
Find the length of the arc
3.1
500
Write a cosine function with this description
amplitude 2, period 3
y=2cos30
500
A horizontal translation of a function is also known as what?
A phase shift