$\"\"$

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The function $\"\"$ is continuous and $\"\"$ on interval $\"\"$ .

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Since $\"\"$ is continuous and $\"\"$ on $\"\"$ , the function $\"\"$ is strictly monotonic.

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The function $\"\"$ is one-to-one function.

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$\"\"$ has an inverse.

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The parametric curves are $\"\"$ and $\"\"$ on $\"\"$ .

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Consider $\"\"$ .

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$\"\"$ .

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Consider $\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ , where $\"\"$ .

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$\"\"$

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$\"\"$ has an inverse.

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$\"\"$ ,where $\"\"$ .