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October 12th, 2018, 07:25 PM   #1
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WolframAlpha syntax to convert cartesian equation to parametric form

Does anyone know how to do that?
I tried it with Wolfram|Alpha: Computational Intelligence but it just won't show x=5cos t & y=4sin t
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October 14th, 2018, 01:39 AM   #2
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I don't know how to do that directly. When you enter x^2/25 + y^2/16 = 1, W|A tells you that this is the equation of an ellipse. If you then enter ellipse, W|A 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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