Question :- Find the radius of parametric equation of the circle for the given x = 5 sin t and y = 5 cos t where 0 < t < pi ?

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- July 21st 2013, 10:37 PMbrosnan123Parametric Equation
Question :- Find the radius of parametric equation of the circle for the given x = 5 sin t and y = 5 cos t where 0 < t < pi ?

- July 21st 2013, 11:13 PMMarkFLRe: Parametric Equation
Square and add the parametric equations, apply a Pythagorean identity to eliminate the parameter, and you will have a Cartesian equation from which you should immediately recognize the radius.