$\"\"$

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The parametric equations are $\"\"$ and $\"\"$ .

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Rewrite the equation,

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$\"\"$ and $\"\"$

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$\"\"$ and $\"\"$ .

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Trignometry identity : $\"\"$ .

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Substitutes $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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The rectangular equations is $\"\"$ .

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$\"\"$

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Find the points on the graph of the function.

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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At $\"\"$ and $\"\"$ , then $\"\"$ and $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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At $\"\"$ and $\"\"$ , then $\"\"$ and $\"\"$ .

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Graph:

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Graph the parametric equations is $\"\"$ and $\"\"$ .

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Plot the points

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$\"\"$ .

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$\"\"$

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The rectangular equations is $\"\"$ .

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Graph of the parametric equations is $\"\"$ and $\"\"$ :

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$\"\"$ .