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October 12th, 2018, 06:25 PM  #1 
Newbie Joined: Oct 2018 From: Indoors Posts: 12 Thanks: 0  WolframAlpha syntax to convert cartesian equation to parametric form
Does anyone know how to do that? I tried it with WolframAlpha: Computational Intelligence but it just won't show x=5cos t & y=4sin t 
October 14th, 2018, 12:39 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,831 Thanks: 2161 
I don't know how to do that directly. When you enter x^2/25 + y^2/16 = 1, WA tells you that this is the equation of an ellipse. If you then enter ellipse, WA gives you parametric equations for the ellipse with Cartesian equation $\displaystyle \frac{x^2}{a^2} + \frac{y^2}{b^2} = 1$.


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cartesian, convert, equation, form, parametric, syntax, wolframalpha 
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