$\"\"$

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The statement is $\"\"$ .

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Consider left hand side : $\"\"$ .

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Apply reciprocal identity : $\"\"$ $\"\"$ .

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$\"\"$

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$\"\"$

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Apply pythagorean identity: $\"\"$ .

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$\"\"$

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$\"\"$

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= Right hand side.

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Thus, the statement is true. $\"\"$

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The statement is true.