Trigonometry Flashcards

1
Q

periodic function

A

a function in which the same pattern of OUTPUTS repeat over a consistent interval in the inputs. The repeated pattern can be a wave, a zig-zag, or any other pattern that has the exact same pattern of outputs (even more complicated like a cardiac heatbeat function).

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2
Q

period of a periodic function

A

the smallest interval in the domain over which a function repeats

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3
Q

midline of a periodic function

A

the horizontal line located midway between the maximum and the minimum of a periodic function

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4
Q

amplitude of a periodic function

A

the distance between the maximum and the midline of a periodic function

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5
Q

What repeats in a periodic function?

A

It is the FUNCTION values that repeat (the outputs). To be a function, each input must have exactly one output, so there cannot be a “repeat” of any inputs.

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6
Q

What does the graph look like of the height of a car/seat on a Ferris Wheel over time if the wheel is rotating at a constant speed?

A

The graph is a wave–a smoothe, curvy, periodic function. Depending on whether the bottom of the wheel is on the ground or not will determine the location of the minimum values of the wave.

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