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单词 Wallis formulas
释义 Wallis formulas
[`wäl·ǝs ´fȯr·myǝ·lǝz]
MATHEMATICS
Formulas that determine the values of the definite integrals from 0 to π/2 of the functions sinn (x ), cosn (x ), and cosm (x ) sinn (x ) for positive integers m and n. Also known as Wallis theorem.
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