0
Q
2pi
A
(1,0)
1
Q
Quadrantal Angles
A
360
90
180
270
2
Q
Pi/6
A
( Square root 3/2, 1/2 )
3
Q
Pi/4
A
( square root 2/2 , square 2/2 )
4
Q
Pi/3
A
( 1/2, square root 3/2 )
5
Q
Pi/2
A
( 0,1 )
6
Q
2pi/3
A
( -1/2, square root 3/2 )
7
Q
3pi/4
A
( - square root 2/2, square root 2/2 )
8
Q
5pi/6
A
( - square root 3/2, 1/2 )
9
Q
Pi
A
( -1,0 )
10
Q
7pi/6
A
( - square root 3/2, -1/2 )
11
Q
5pi/4
A
( - square root 2/2, - square root 2/2 )
12
Q
4pi/3
A
( -1/2, - square root 3/2 )
13
Q
3pi/2
A
( 0, -1 )
14
Q
5pi/3
A
( 1/2, - square root 3/2 )
15
Q
7pi/4
A
( square root 2/2, - square root 2/2 )
16
Q
11pi/6
A
( square root 3/2, -1/2 )
17
Q
1-89
A
Quadrant 1
18
Q
91-179
A
Quadrant 2
19
Q
181-269
A
Quadrant 3
20
Q
271-359
A
Quadrant 4
21
Q
0-1.57
-6.28) - (-4.71
A
Quadrant 1
22
Q
1.57-3.14
-4.71) - (-3.14
A
Quadrant 2
23
Q
3.14-4.71
-3.14) - (-1.57
A
Quadrant 3
24
4.71-6.28
| -1.57) - (-6.28
Quadrant 4
Ch. 4 Pre-Cal Unit Circle
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