\"\"

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The trigonometric equation is \"\".

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Subtract \"\" from each side.

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\"\"

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Add  \"\" to each side.

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\"\"

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Since the period of the tangent function is \"\", the only solution on the interval is \"\".

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Solve \"\".

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\"\" or \"\"

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\"\" or \"\"

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The general solution of  \"\" is \"\", where \"image\" is an integer.

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The general solutions are \"\" or \"\", where \"image\" is an integer.\"\"

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The solutions are \"\" or \"\", where \"image\" is an integer.