Unit Circle Memorization
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Cos (pi/4)
(sqrt.(2)/2)
Cos 7pi/4
(sqrt.(2)/2)
Sin (pi/4)
(sqrt.(2)/2)
Sin 3pi/4
(sqrt.(2)/2)
Cos (pi/6)
(sqrt.(3)/2)
Cos 11pi/6
(sqrt.(3)/2)
Sin (pi/3)
(sqrt.(3)/2)
Sin 2pi/3
(sqrt.(3)/2)
Cos 3pi/4
-(sqrt.(2)/2)
Cos 5pi/4
-(sqrt.(2)/2)
Sin 5pi/4
-(sqrt.(2)/2)
Sin 7pi/4
-(sqrt.(2)/2)
Cos 5pi/6
-(sqrt.(3)/2)
Cos 7pi/6
-(sqrt.(3)/2)
Sin 4pi/3
-(sqrt.(3)/2)
Sin 5pi/3
-(sqrt.(3)/2)
Cos (pi)
-1
Sin 3pi/2
-1
Cos 2pi/3
-1/2
Cos 4pi/3
-1/2
Sin 11pi/6
-1/2
Sin 7pi/6
-1/2
Cos (pi/2)
0
Cos 3pi/2
0
Sin (pi)
0
Sin 0
0
Sin 2pi
0
Cos 0
1
Cos 2pi
1
Sin (pi/2)
1
Cos (pi/3)
1/2
Cos 5pi/3
1/2
Sin (pi/6)
1/2
Sin 5pi/6
1/2
