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Thread: converting from rectangular to polar

  1. November 16th 2011, 08:29 PM #1
    dazedandmathfused
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    converting from rectangular to polar

    I need help please.

    Im given the rectangular coordinates (1,-1) now i need to find the polar coordinates.

    I don't know how.

    Thank you
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  2. November 16th 2011, 11:56 PM #2
    FernandoRevilla
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    Re: converting from rectangular to polar

    Quote Originally Posted by dazedandmathfused View Post
    Im given the rectangular coordinates (1,-1) now i need to find the polar coordinates.
    If (x,y) are rectangular coordinates, the corresponding polar coordinates are (\rho,\theta) where \rho=\sqrt{x^2+y^2} and \tan \theta=y/x . Conclude.
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