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Thread: Parametric->Rectangular

  1. September 10th 2012, 06:07 AM #1
    Greymalkin
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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. September 10th 2012, 06:15 AM #2
    Plato
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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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