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The rectangular equation is $\"\"$ .

Find two set of parametric equations.

Let $\"\"$ .

Substitute $\"\"$ in rectangular equation.

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One set of parametric equation is $\"\"$ and $\"\"$ .

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Let $\"\"$ .

Substitute $\"\"$ in rectangular equation.

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Another set of parametric equation is $\"\"$ and $\"\"$ .

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One set of parametric equation is $\"\"$ and $\"\"$ .

Another set of parametric equation is $\"\"$ and $\"\"$ .