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Published byLorraine Bishop Modified over 8 years ago
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Periodic Functions A periodic function is a function for which there is a repeating pattern of y-values over equal intervals of x. Each complete pattern is called a cycle. AmplitudeOne-half of the positive difference between the maximum and the minimum y-values. PeriodThe length of the interval of x-values over which the function completes one cycle. Maximum y = 3 Minimum y = -2 One Cycle
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Sine Function and the Unit Circle Comparing the unit circle and the graph of the sine function is like comparing a globe and a map.
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Basic Sine Curves Frequency is the number of cycles that the graph completes in an interval of (maximum height) (Number of radians to complete one cycle)
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Basic Cosine Curves Frequency is the number of cycles that the graph completes in an interval of (maximum height) (Number of radians to complete one cycle)
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Comparison of Sine & Cosine
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Homework Page 453: 3 - 18
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Sketching Sine Curves
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Sketching Cosine Curves
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Sketching Negative Sine & Cosine Curves
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Homework Sketch each function
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