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Check Machin-like formulas: Difference between revisions
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Verify the following Machin-like formulas are correct by calculating the value of '''tan'''(''right hand side)'' for each equation using exact arithmetic and showing they equal 1:
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and confirm that the following formula is incorrect by showing '''tan'''(''right hand side)'' is ''not'' 1:
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These identities are useful in calculating the values:
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;Note:
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