Unit Circle Flashcards by Diane Sumicad

Q

1/6 pi tangent

A

Square root 3 over 3

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Q

1/6 pi coordinates

A

Square root 3 over 2, one-half

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Q

30 degrees in radiance

A

1/6 pi

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Q

1/6 pi in degrees

A

30 degrees

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Q

1/4 pi coordinates

A

Square root 2 over 2, square root 2 over 2

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Q

1/4 pi tangent

A

1

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Q

45 degrees in radiance

A

1/4 pi

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Q

1/4 pi in degrees

A

45 degrees

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Q

1/3 pi coordinates

A

1/2, square root 3 over 2

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Q

1/3 pi tangent

A

Square root 3

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Q

1/3 pi in degrees

A

60 degrees

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Q

60 degrees in radiance

A

1/3 pi

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Q

1/2 pi coordinates

A

(0,1)

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Q

1/2 pi tangent

A

Undefined

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Q

1/2 pi in degrees

A

90 degrees

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Q

90 degrees in radiance

A

1/2 pi

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Q

First quadrant _____ is positive

A

All are positive (sin, cos and tan)

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Q

2/3 pi coordinates

A

-1/2, square root 3 over 2

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Q

2/3 pi tangent

A

Negative square root 3

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Q

2/3 pi in degrees

A

120 degrees

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Q

120 degrees in radiance

A

2/3 pi

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Q

3/4 pi coordinates

A

Negative square root 2 over 2, square root 2 over 2

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Q

3/4 pi tangent

A

-1

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Q

3/4 pi in degrees

A

135 degrees

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135 degrees in radiance

3/4 pi

5/6 pi coordinates

Negative square root 3 over 2, 1/2

5/6 pi tangent

Negative square root 3 over 3

5/6 pi in degrees

150 degrees

150 degrees in radiance

5/6 pi

Pi coordinates

(-1,0)

Pi tangent

0

Pi in degrees

180 degrees

180 degrees in radiance

Pi

7/6 pi coordinates

Negative square root 3 over 2, -1/2

7/6 pi tangent

Square root 3 over 3

7/6 pi in degrees

210 degrees

210 degrees in radiance

7/6 pi

5/4 pi coordinates

Negative square root 2 over 2, negative square root 2 over 2

5/4 pi tangent

1

5/4 pi in degrees

225 degrees

225 degrees in radiance

5/4 pi

4/3 pi coordinates

-1/2, negative square root 3 over 2

4/3 pi tangent

Square root 3

4/3 pi in degrees

240 degrees

240 degrees in radiance

4/3 pi

3/2 pi coordinates

(0,-1)

3/2 pi in tangent

Undefined

3/2 pi in degrees

270 degrees

270 degrees in radiance

3/2 pi

Second quadrant ___ is positive

Sin

Third quadrant ___ is positive

Tan

Fourth quadrant ___ is positive

Cos

5/3 pi coordinates

1/2, negative square root 3 over 2

5/3 pi tangent

Negative Square root 3

5/3 pi in degrees

300 degrees

300 degrees in radiance

5/3 pi

7/4 pi coordinates

Square root 2 over 2, negative square root 2 over 2

7/4 pi tangent

-1

7/4 pi in degrees

315 degrees

315 degrees in radiance

7/4 pi

11/6 pi coordinates

Square root 3 over 2, -1/2

11/6 pi tangent

Negative square root 3 over 3

11/6 pi in degrees

330 degrees

330 degrees in radiance

11/6 pi

0 or 2 pi coordinates

(1,0)

0 or 2 pi tangent

0