TRIG VALUES FOR SPECIAL ANGLES (30, 45, 60) Flashcards

1
Q

sin 30 (pi/6)

A

1/2

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2
Q

sin 60 (pi/3)

A

root3/2

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3
Q

cos 30

A

root3/2

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4
Q

cos 45

A

root2/2

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5
Q

cos 60

A

1/2

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6
Q

tan 30

A

root3/3

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7
Q

tan 45

A

1

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8
Q

tan 60

A

root3

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9
Q

csc 30

A

2

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10
Q

csc 45

A

root2

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11
Q

csc 60

A

2root3/3

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12
Q

sec 30

A

2root3/3

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13
Q

sec 45

A

root2

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14
Q

sec 60

A

2

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15
Q

sin 45 (pi/4)

A

root2/2

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16
Q

cot 30

A

root3

17
Q

cot 45

A

1

18
Q

cot 60

A

root3/3

19
Q

sin 90 (pi/2)

A

1

20
Q

sin 180 (pi)

A

0

21
Q

sin 270 (3pi/2)

A

-1

22
Q

sin 270 (3pi/2)

A

-1

23
Q

sin 360 (2pi)

A

0

24
Q

cos 90

A

0

25
Q

cos 180

A

-1

26
Q

cos 270

A

0

27
Q

cos 360

A

1

28
Q

tan =

A

y/x
(cos, sin)