Chapter 13 Flashcards by J.R. Madey

Q

Cycle

A

One complete pattern

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Q

Period

A

Horizontal length of one cycle

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Q

Amplitude

A

Half the distance between the maximum and minimum values

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Q

Initial Side

A

Ray on the x-axis

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Q

Terminal Side

A

The ray that is not on the x-axis

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Q

Cosine of Theta

A

X-coordinate

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Q

Sine of theta

A

Y-coordinate

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Q

Convert degrees to radians

A

Pi radians / 180 degrees

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Q

Length of intercepted arc

A

S (intercepted arc) = r (radius) * theta (angle measure)

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Q

Sine

A

Opposite over hypotenuse

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Q

Cos

A

Adjacent over hypotenuse

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Q

Tan

A

Opposite over adjacent

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Q

30-60-90 triangle

A

Shorter side length: 1

Longer side length: square root of 3

Hypotenuse: 2

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Q

45-45-90 triangle

A

Leg length: square root of 2 over 2

Hypotenuse: 2

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Q

Radian measure formula

A

Degree measure / 180 * pi

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Q

Graphing sin

A

0 max 0 min 0

Period: 2pi/b

Q

Graphing cos

A

Max 0 min 0 max

Period: 2pi/b

Q

Graphing tan

A

Min 0 max asy

Period: pi/b