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Lehrbuch der ebenen und sphärischen Trigonometrie. Zum Gebrauch beim Schulunterricht und in Schulen, besonders als Vorbereitung auf Geodäsie und sphärische Astronomie bearbeitet. 2. Aufl

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... Unfortunately, the evidence for both is not clear. Regarding our first point, after 1808, equations (1) and (2) appear in various German articles and textbooks [14,16,19,21,36,37,46]. Why and when these two equations were named after Mollweide is difficult to understand. ...
... Even the Allgemeine Deutsche Biographie states that Mollweide discovered trigonometric formulas involving the sides and angles [18]. In 1897, Hammer credited Mollweide as the discoverer of these equations [19], but Braunmühl and Tropfke corrected this mistake and gave a detailed account on the history of the Mollweide equations in 1901 and 1923, respectively [4,43]. Neither of them mentioned Thacker, Emerson, Nikitin or Souvoroff, however. ...
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