Important Unit Circle Values
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cos 2pi/3
- 1/2
cos 3pi/4
- √2/2
tan 2pi/3
- √3
cos 5pi/6
- √3/2
tan 5pi/6
- √3/3
cos pi
-1
sin 3pi/2
-1
tan 3pi/4
-1
cos 3pi/2
0
cos pi/2
0
sin 0
0
sin pi
0
tan 0
0
tan pi
0
cos 0
1
sin pi/2
1
tan pi/4
1
cos pi/3
1/2
sin 5pi/6
1/2
sin pi/6
1/2
tan 3pi/2
undefined
tan pi/2
undefined
cos pi/4
√2/2
sin 3pi/4
√2/2
sin pi/4
√2/2
tan pi/3
√3
cos pi/6
√3/2
sin 2pi/3
√3/2
sin pi/3
√3/2
tan pi/6
√3/3
