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  • | [https://dlmf.nist.gov/4.17.E3 4.17.E3] || [[Item:Q1668|<math>\lim_{z\to 0}\frac{1-\cos@@{z}}{z^{2}} = \frac{1}{2}</math>]] || <cod ...
    268 KB (36,906 words) - 14:35, 19 January 2020