\"\"

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The rectangular equation is \"\".

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The graph of \"\" is a hyperbola.

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To find the polar form of this equation replace \"\" with \"\" and \"\" with \"\".

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cosider \"\".

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\"\"

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Trignometric identity \"\".

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\"\"

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\"\".

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\"\"

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Evaluate the function for several values of \"\" in its domain and use this points to graph the function.

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Graph the function \"\".

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Graph :

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\"\"

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\"\"

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Graph of the function \"\".

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\"\"

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