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Math Help - Polar Curve

  1. #1
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    Polar Curve

    Q: Sketch the curve with polar equation r=a\cos 3 \theta, a>0, for 0\le\theta\le\pi.

    Can someone show me how this will look. Thanks in advance.
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    Moo
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    Hello

    Here are some examples..
    Attached Thumbnails Attached Thumbnails Polar Curve-polar.jpg  
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    Quote Originally Posted by Moo View Post
    Hello

    Here are some examples..
    But...mine been given limits (a range) so how would that look?
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    Quote Originally Posted by Air View Post
    But...mine been given limits (a range) so how would that look?
    The same =)
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    Quote Originally Posted by Moo View Post
    The same =)
    Oh....

    ...Why?


    I thought we only draw the top half (from 0 to \pi)? (You are correct because mark scheme says what you said so could you explain what the range is about)
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