Unit Circle (cosines) Flashcards
1
Q
cos 0
A
1
2
Q
cos Π/6
A
√3/2
3
Q
cos Π/4
A
√2/2
4
Q
cos Π/3
A
1/2
5
Q
cos Π/2
A
0
6
Q
cos 2Π/3
A
-1/2
7
Q
cos 3Π/4
A
-√2/2
8
Q
cos 5Π/6
A
-√3/2
9
Q
cos Π
A
-1
10
Q
cos 7Π/6
A
-√3/2
11
Q
cos 5Π/4
A
-√2/2
12
Q
cos 4Π/3
A
-1/2
13
Q
cos 3Π/2
A
0
14
Q
cos 5Π/3
A
1/2
15
Q
cos 7Π/4
A
√2/2
