The Unit Circle Flashcards by Elinor Meek

Q

30 degrees in radians

A

π/6

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Q

45 degrees in radians

A

π/4

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Q

60 degrees in radians

A

π/3

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Q

90 degrees in radians

A

π/2

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Q

120 degrees in radians

A

2π/3

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Q

135 degrees in radians

A

3π/4

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Q

150 degrees in radians

A

5π/6

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Q

180 degrees in radians

A

π

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Q

210 degrees in radians

A

7π/6

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Q

225 degrees in radians

A

5π/4

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Q

240 degrees in radians

A

4π/3

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Q

270 degrees in radians

A

3π/2

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Q

300 degrees in radians

A

5π/3

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Q

315 degrees in radians

A

7π/4

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Q

330 degrees in radians

A

11π/6

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Q

0 degrees in radians

A

0

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Q

360 degrees in radians

A

2π

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Q

sin30

A

1/2

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Q

cos30

A

(√3)/2

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Q

tan30

A

(√3)/3

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Q

sin45

A

(√2)/2

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Q

cos45

A

(√2)/2

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Q

tan45

A

1

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Q

sin60

A

(√3)/2

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Q

cos60

A

1/2

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Q

tan60

A

√3

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Q

sin90

A

1

Q

cos90

A

0

Q

tan90

A

undefined

Q

sin120

A

(√3)/2

Q

cos120

A

-1/2

Q

tan120

A

-√3

Q

sin135

A

(√2)/2

Q

cos135

A

-(√2)/2

Q

tan135

A

-1

Q

sin150

A

1/2

Q

cos150

A

-(√3)/2

Q

tan150

A

-(√3)/3

Q

sin180

A

0

Q

cos180

A

-1

Q

tan180

A

0

Q

sin210

A

-1/2

Q

cos210

A

-(√3)/2

Q

tan210

A

(√3)/3

Q

sin225

A

-(√2)/2

Q

cos225

A

-(√2)/2

Q

tan225

A

1

Q

sin270

A

-1

Q

cos270

A

0

Q

tan270

A

undefined

Q

sin300

A

-(√3)/2

Q

cos300

A

1/2

Q

tan300

A

-(√3)

Q

sin315

A

-(√2)/2

Q

cos315

A

(√2)/2

Q

tan315

A

-1

Q

sin330

A

-1/2

Q

cos330

A

(√3)/2

Q

tan330

A

-(√3)/3

Q

sin360

A

0

Q

cos360

A

1

Q

tan360

A

0

Q

Sine is on which axis?

A

y-axis

Q

Cosine is on which axis?

A

x-axis

Q

How to find tangent?

A

sine/cosine