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Amplitude Notes

# Amplitude Notes - Precalc73Notes.notebook February26,2014...

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Precalc 7­3 Notes.notebook 1 February 26, 2014 Precalculus 7.3: Periodic Graphs and Amplitude Sine, cosine, and tangent are called periodic graphs because they repeat the same pattern over and over. The length of one cycle of the pattern is called the period of the graph, as we have mentioned before. The period of is ______________. The period of is ______________. The period of is ______________.

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Precalc 7­3 Notes.notebook 2 February 26, 2014 If you change the number in front of t , then the period of the graph will change as well. For sine and cosine: or has a period of ________. For tangent: has a period of ________.
Precalc 7­3 Notes.notebook 3 February 26, 2014 Sine and cosine also have a quantity called _____________________. The amplitude is half the difference between the maximum and minimum function values. It is always positive. (You can also think of it as the height of the function from the midline.) Looking at the equations: or has an amplitude of _________.

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Amplitude Notes - Precalc73Notes.notebook February26,2014...

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