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anonymous

  • 5 years ago

The ellipse (x^2)/25 + (y^2)/36 = 1 , can be drawn with parametric equations. If x = r cos(t) what's r and y??

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  1. anonymous
    • 5 years ago
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    Radius on X axis is 5, Radius on Y axis is 6, centered at {0,0}

  2. anonymous
    • 5 years ago
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    t is any angle theta and r is the radius on the x axis and y can be solved for from the equation of the ellipse.

  3. Yuki
    • 5 years ago
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    mathmind, if you substitute x with rcos(t), you can solve for what y is going to be

  4. anonymous
    • 5 years ago
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    x=5*cos(t) y=+-(6/5)*sqrt(25-x^2)

  5. anonymous
    • 5 years ago
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    Fruitless yur answer is wrong

  6. anonymous
    • 5 years ago
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    actually yu are right thank you

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