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    mareeee4's Avatar
    mareeee4 Posts: 1, Reputation: 1
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    #1

    May 4, 2009, 05:52 PM
    Periods and amplitudes
    How do you graph the period of sine or cosine?
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    May 4, 2009, 06:53 PM

    Sine and cosine both go from -1 to +1 in an oscillating manor. The usual way to graph this is to follow the sine or cosine around a unit circle centered on a Cartesian coordinate system. When you graph it, graph points at etc. up to 2 pi. If you want to see the repeating behavior, graph from -2pi to +2pi.
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