The Unit Circle Flashcards

1
Q

30 degrees in radians

A

π/6

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2
Q

45 degrees in radians

A

π/4

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3
Q

60 degrees in radians

A

π/3

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4
Q

90 degrees in radians

A

π/2

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5
Q

120 degrees in radians

A

2π/3

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6
Q

135 degrees in radians

A

3π/4

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7
Q

150 degrees in radians

A

5π/6

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8
Q

180 degrees in radians

A

π

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9
Q

210 degrees in radians

A

7π/6

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10
Q

225 degrees in radians

A

5π/4

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11
Q

240 degrees in radians

A

4π/3

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12
Q

270 degrees in radians

A

3π/2

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13
Q

300 degrees in radians

A

5π/3

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14
Q

315 degrees in radians

A

7π/4

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15
Q

330 degrees in radians

A

11π/6

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16
Q

0 degrees in radians

A

0

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17
Q

360 degrees in radians

A

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18
Q

sin30

A

1/2

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19
Q

cos30

A

(√3)/2

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20
Q

tan30

A

(√3)/3

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21
Q

sin45

A

(√2)/2

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22
Q

cos45

A

(√2)/2

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23
Q

tan45

A

1

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24
Q

sin60

A

(√3)/2

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25
Q

cos60

A

1/2

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26
Q

tan60

A

√3

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27
Q

sin90

A

1

28
Q

cos90

A

0

29
Q

tan90

A

undefined

30
Q

sin120

A

(√3)/2

31
Q

cos120

A

-1/2

32
Q

tan120

A

-√3

33
Q

sin135

A

(√2)/2

34
Q

cos135

A

-(√2)/2

35
Q

tan135

A

-1

36
Q

sin150

A

1/2

37
Q

cos150

A

-(√3)/2

38
Q

tan150

A

-(√3)/3

39
Q

sin180

A

0

40
Q

cos180

A

-1

41
Q

tan180

A

0

42
Q

sin210

A

-1/2

43
Q

cos210

A

-(√3)/2

44
Q

tan210

A

(√3)/3

45
Q

sin225

A

-(√2)/2

46
Q

cos225

A

-(√2)/2

47
Q

tan225

A

1

48
Q

sin270

A

-1

49
Q

cos270

A

0

50
Q

tan270

A

undefined

51
Q

sin300

A

-(√3)/2

52
Q

cos300

A

1/2

53
Q

tan300

A

-(√3)

54
Q

sin315

A

-(√2)/2

55
Q

cos315

A

(√2)/2

56
Q

tan315

A

-1

57
Q

sin330

A

-1/2

58
Q

cos330

A

(√3)/2

59
Q

tan330

A

-(√3)/3

60
Q

sin360

A

0

61
Q

cos360

A

1

62
Q

tan360

A

0

63
Q

Sine is on which axis?

A

y-axis

64
Q

Cosine is on which axis?

A

x-axis

65
Q

How to find tangent?

A

sine/cosine