$\"\"$

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The functions are $\"\"$ and $\"\"$ .

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Consider $\"g$ .

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Reciprocal identity : $\"italic$ .

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$\"g$

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$\"\"$

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Pythagorean identity : $\"\"$ .

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$\"\"$

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$\"g$

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Quotient identity : $\"fraction$ .

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$\"g$ .

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$\"\"$

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The functions $\"\"$ and $\"\"$ are identically equal.