\"\"

\

The expression is \"\".

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Let \"\" then \"\".

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\"\".

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The length of the hypotenuse is \"\".

\

Since the range of \"\" and \"\" are same so take the value of \"\" to find \"\".

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Trigonometric ratio : \"\".

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\"\"

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\"\"

\

\"\".

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\"\"

\

\"\".