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Math Help - how to graph

  1. #1
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    how to graph

    hi guys how can i graph with a calculator given that
    r=3+2 cos x

    r=4 cos2x
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  2. #2
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    Quote Originally Posted by alessandromangione View Post
    hi guys how can i graph with a calculator given that
    r=3+2 cos x

    r=4 cos2x
    Are these meant to be polar equations?
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  3. #3
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    If so, you should
    go to mode,
    select polar function,
    press y= button,
    enter the equations,
    press graph, and you are done!
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