Chapter 13 Flashcards
0
Q
Cycle
A
One complete pattern
1
Q
Period
A
Horizontal length of one cycle
2
Q
Amplitude
A
Half the distance between the maximum and minimum values
3
Q
Initial Side
A
Ray on the x-axis
4
Q
Terminal Side
A
The ray that is not on the x-axis
5
Q
Cosine of Theta
A
X-coordinate
6
Q
Sine of theta
A
Y-coordinate
7
Q
Convert degrees to radians
A
Pi radians / 180 degrees
8
Q
Length of intercepted arc
A
S (intercepted arc) = r (radius) * theta (angle measure)
9
Q
Sine
A
Opposite over hypotenuse
10
Q
Cos
A
Adjacent over hypotenuse
11
Q
Tan
A
Opposite over adjacent
12
Q
30-60-90 triangle
A
Shorter side length: 1
Longer side length: square root of 3
Hypotenuse: 2
13
Q
45-45-90 triangle
A
Leg length: square root of 2 over 2
Hypotenuse: 2
14
Q
Radian measure formula
A
Degree measure / 180 * pi
