\"\"

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The algebraic equation is \"\" and \"\".

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Substitute \"\" in \"\".

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\"\"

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Pythagorean identity : \"\".

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\"\"

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The trigonometric equation is \"\".

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\"\"

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Consider \"\".

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\"\"

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The value of \"\" is \"\".

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Pythagorean identity : \"\".

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\"\"

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The value of \"\" is \"\".

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\"\"

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The trigonometric equation is \"\", the value of \"\" is \"\" and the value of \"\" is \"\".