The first graph in the figure is that of y = sin45x as displayed by a TI-83

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The first graph in the figure is that of y = sin45x as displayed by a TI-83 graphing calculator. It is inaccurate and so, to help explain its appearance, we replot the curve in dot mode in the second graph.

What two sine curves does the calculator appear to be plotting? Show that each point on the graph of y = sin 45x that the TI-83 chooses to plot is in fact on one of these two curves. (The TI-83€™s graphing window is 95 pixels wide.)

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Calculus

ISBN: 978-0131429246

9th edition

Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon

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