\"\"

\

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

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Find the exact value of the composite function \"\".

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\"\"

\

Let \"\"

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\"\"

\

\"\" and \"\".

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From the above conditions \"\" lies in the fourth quadrant.

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\"\".

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\"\"

\

\"\"

\

Pythogorean theorem:

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\"\"

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\"\"

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\"\"

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\"\".

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\"\"

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\"\".