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Hutton's Formula


The Machin-like formula

 1/4pi=2cot^(-1)(3)+cot^(-1)(7).

The other two-term Machin-like formulas are Euler's Machin-like formula, Hermann's formula, and Machin's formula.


See also

Euler's Machin-like formula, Hermann's Formula, Machin's Formula, Machin-Like Formulas

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Cite this as:

Weisstein, Eric W. "Hutton's Formula." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/HuttonsFormula.html

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