unit circle memorization

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Last updated 6:57 PM on 8/23/26
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33 Terms

1
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cos(0)

1

2
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cos(30-pi/6)

sqrt3/2

3
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cos(45-pi/4)

sqrt2/2

4
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cos(60-pi/3)

1/2

5
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cos(90-pi/2)

0

6
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cos(120-2pi/3)

-1/2

7
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cos(135-3pi/4)

-sqrt2/2

8
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cos(150-5pi/6)

-sqrt3/2

9
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cos(180-pi)

-1

10
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cos(210-7pi/6)

-sqrt3/2

11
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cos(225-5pi/4)

-sqrt2/2

12
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cos(240-4pi/3)

-1/2

13
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cos(270-3pi/2)

0

14
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cos(300-5pi/3)

1/2

15
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cos(315-7pi/4)

sqrt2/2

16
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cos(330-sqrt3/2)

sqrt3/2

17
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sin(0)

0

18
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sin(30-pi/6)

1/2

19
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sin(45-pi/4)

sqrt2/2

20
New cards

sin(60-pi/3)

sqrt3/2

21
New cards

sin(90-pi/2)

1

22
New cards

sin(120-2pi/3)

sqrt3/2

23
New cards

sin(135-3pi/4)

sqrt2/2

24
New cards

sin(150-5pi/6)

1/2

25
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sin(180-pi)

0

26
New cards

sin(210-7pi/6)

-1/2

27
New cards

sin(225-5pi/4)

-sqrt2/2

28
New cards

sin(240-4pi/3)

-sqrt3/2

29
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sin(270-3pi/2)

-1

30
New cards

sin(300-5pi/3)

-sqrt3/2

31
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sin(315-7pi/4)

-sqrt2/2

32
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sin(330-11pi/6)

-1/2

33
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