Unit Circle Flashcards by Samantha Boyer

Q

0° in radians

A

0 radians

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Q

sin(0°)

A

0

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Q

cos(0°)

A

1

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Q

tan(0°)

A

0

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Q

30° in radians

A

π/6

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Q

cos(30°)

A

√3/2

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Q

sin(30°)

A

1/2

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Q

tan(30°)

A

√3/3

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Q

45° in radians

A

π/4

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Q

cos(45°)

A

√2/2

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Q

sin(45°)

A

√2/2

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Q

tan(45°)

A

1

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Q

60° in radians

A

π/3

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Q

cos(60°)

A

1/2

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Q

sin(60°)

A

√3/2

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Q

tan (60°)

A

√3

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Q

90° in radians

A

π/2

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Q

cos(90°)

A

0

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Q

sin(90°)

A

1

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Q

tan(90°)

A

undefined

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Q

120° in radians

A

2π/3

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Q

cos(120°)

A

-1/2

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Q

sin(120°)

A

√3/2

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Q

tan(120°)

A

-√3

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Q

135° in radians

A

3π/4

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Q

cos(135°)

A

-√2/2

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Q

sin(135°)

A

√2/2

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Q

tan(135°)

A

-1

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Q

150° in radians

A

5π/6

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Q

cos(150°)

A

-√3/2

Q

sin(150°)

A

1/2

Q

tan(150°)

A

-√3/3

Q

180° in radians

A

π

Q

cos(180°)

A

-1

Q

sin(180°)

A

0

Q

tan(180°)

A

0

Q

210° in radians

A

7π/6

Q

cos(210°)

A

-√3/2

Q

sin(210°)

A

-1/2

Q

tan(210°)

A

√3/3

Q

225° in radians

A

5π/4

Q

cos(225°)

A

-√2/2

Q

sin(225°)

A

-√2/2

Q

tan(225°)

A

1

Q

240° in radians

A

4π/3

Q

cos(240°)

A

-1/2

Q

sin(240°)

A

-√3/2

Q

tan(240°)

A

√3

Q

270° in radians

A

3π/2

Q

cos(270°)

A

0

Q

sin(270°)

A

-1

Q

tan(270°)

A

undefined

Q

300° in radians

A

5π/3

Q

cos(300°)

A

1/2

Q

sin(300°)

A

-√3/2

Q

tan(300°)

A

-√3

Q

315° in radians

A

7π/4

Q

cos(315°)

A

√2/2

Q

sin(315°)

A

-√2/2

Q

tan(315°)

A

-1

Q

330° in radians

A

11π/6

Q

cos(330°)

A

√3/2

Q

sin(330°)

A

-1/2

Q

tan(330°)

A

-√3/3

Q

120° reference angle

A

60°

Q

135° reference angle

A

45°

Q

150° reference angle

A

30°

Q

210° reference angle

A

30°

Q

225° reference angle

A

45°

Q

240° reference angle

A

60°

Q

300° reference angle

A

60°

Q

315° reference angle

A

45°

Q

330° reference angle

A

30°