1
Q
0
A
0pi
sin = 0
cos = 1
tan = 0
2
Q
30
A
pi/6
sin = 1/2
cos = root3/2
tan = root3
3
Q
45
A
pi/4
sin = root2/2
cos = root2/2
tan = 1
4
Q
60
A
pi/3
sin = root3/2
cos = 1/2
tan = root3/3
5
Q
90
A
pi/2
sin = 1
cos = 0
tan = undefined
6
Q
120
A
2pi/3 ra = 60 sin = root3/2 cos = -1/2 tan = -root3/3
7
Q
135
A
3pi/4 ra = 45 sin = root2/2 cos = -root2/2 tan = -1
8
Q
150
A
5pi/6 ra = 30 sin = 1/2 cos = -root3/2 tan = -root3
9
Q
180
A
pi ra = 0 sin = 0 cos = -1 tan = 0
10
Q
210
A
7pi/6 ra = 30 sin = -1/2 cos = -root3/2 tan = root3
11
Q
225
A
5pi/4 ra = 45 sin = -root2/2 cos = -root2/2 tan = 1
12
Q
240
A
4pi/3 ra = 60 sin = -root3/2 cos = -1/2 tan = root3/3
13
Q
270
A
3pi/2 ra = 90 sin = -1 cos = 0 tan = undefined
14
Q
300
A
5pi/3 ra = 60 sin = -root3/2 cos = 1/2 tan = -root3/3
15
Q
315
A
7pi/4 ra = 45 sin = -root2/2 cos = root2/2 tan = -1
16
Q
330
A
11pi/6 ra = 30 sin = -1/2 cos = root3/2 tan = -root3
17
Q
360
A
2pi ra = 0 sin = 0 cos = 1 tan = 0
The Unit Circle
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