Trig Flashcards by Alex Mihalciuc

Q

What is the value of sin(0°)?

A

0

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Q

What is the value of cos(0°)?

A

1

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Q

What is the value of tan(0°)?

A

0

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Q

What is the value of sin(30°)?

A

1/2

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Q

What is the value of cos(30°)?

A

√3/2

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Q

What is the value of tan(30°)?

A

1/√3 or √3/3

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Q

What is the value of sin(45°)?

A

√2/2

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Q

What is the value of cos(45°)?

A

√2/2

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Q

What is the value of tan(45°)?

A

1

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Q

What is the value of sin(60°)?

A

√3/2

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Q

What is the value of cos(60°)?

A

1/2

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Q

What is the value of tan(60°)?

A

√3

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Q

What is the value of sin(90°)?

A

1

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Q

What is the value of cos(90°)?

A

0

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Q

What is the value of tan(90°)?

A

undefined

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Q

What is the exact value of sin(0 radians)?

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A

0

Q

What is the exact value of cos(0 radians)?

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A

1

Q

What is the exact value of tan(0 radians)?

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A

0

Q

What is the exact value of sin(π/2 radians)?

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A

1

Q

What is the exact value of cos(π/2 radians)?

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A

0

Q

What is the exact value of tan(π/2 radians)?

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A

undefined

Q

What is the exact value of sin(π/6 radians)?

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A

1/2

Q

What is the exact value of cos(π/6 radians)?

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A

√3/2

Q

What is the exact value of tan(π/6 radians)?

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A

1/√3

What is the exact value of sin(π/4 radians)?

√2/2

What is the exact value of cos(π/4 radians)?

√2/2

What is the exact value of tan(π/4 radians)?

1

What is the exact value of tan(π/3 radians)?

√3

What is the exact value of sin(π/3 radians)?

√3/2

What is the exact value of cos(π/3 radians)?

1/2

What are the cosx symmetries?

- cos(-x) = cos(x) - cos(π - x) = -cos(x)

What are the sin(x) symmetries?

- sin(-x) = -sin(x) - sin(π - x) = sin(x)