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Math Help - Parametric->Rectangular

  1. #1
    Junior Member Greymalkin's Avatar
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    Parametric->Rectangular

    Find the equivalent rectangular equation:

    x=sec(t)
     y=cos(t)
    \frac{-\pi}{2}\le t \le\frac{\pi}{2}

    Also, do circle/elliptical parameters always remain between 0\le y \le 2\pi??? It seems like they do but I feel I am not seeing the whole picture in gestalt.
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  2. #2
    MHF Contributor

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    Re: Parametric->Rectangular

    Quote Originally Posted by Greymalkin View Post
    Find the equivalent rectangular equation:
    x=sec(t)
     y=cos(t)
    \frac{-\pi}{2}\le t \le\frac{\pi}{2}
    Is it true that xy=1~?
    Thanks from Greymalkin
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