trig circle Flashcards by Xiaoyi Yuan | Brainscape

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

sin(π/6)

A

1/2

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Q

cos(π/6)

A

√(3) / 2

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Q

tan(π/6)

A

1 / √(3)

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Q

sin(π/4)

A

√(2) / 2

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Q

cos(π/4)

A

√(2) / 2

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Q

tan(π/4)

A

1

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Q

sin(π/3)

A

√(3) / 2

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Q

cos(π/3)

A

1/2

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Q

tan(π/3)

A

√(3)

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Q

sin(π/2)

A

1

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Q

cos(π/2)

A

0

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Q

tan(π/2)

A

DNE

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Q

in which quadrant is (x, y)?

A

1st

Q

in which quadrant is (-x, y)?

A

2nd

Q

in which quadrant is (-x, -y)?

A

3rd

Q

in which quadrant is (x, -y)?

A

4th

Q

which quadrant is 0 to 0.5 π?

A

1st

Q

which quadrant is 0.5 π to π?

A

2nd

Q

which quadrant is π to 1.5π?

A

3rd

Q

which quadrant is 1.5π to 2π?

A

4th