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    Wikki101's Avatar
    Wikki101 Posts: 3, Reputation: 1
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    #1

    Mar 4, 2015, 02:19 AM
    Sketch Polar Curve..
    Q: Sketch the graph of the curve: r=3 cosθ ?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Mar 4, 2015, 05:41 AM
    Whenever plotting the graph of a function it's best to start by calculating some values of the function, in this case values for r given various values for theta. I suggest you determine values for r given theta = 0, pi/6, pi/4, pi/3, pi/2, 2/3 pi, 3/4 pi, 5/6 pi, pi, etc. up to 2pi. Then plot the points in polar coordinates.
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