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Trigonometria Artificialis (1633)

Vlacq · leaf 47

An illustration from Trigonometria Artificialis, 1633, leaf 47
a,aliqiandointra,quandoqueextra Triangulum cadit,prout anguliad Baficaejufdem veldiverfaefuerint afFectionis , idcircone ulla calculo adhereat remora,duoappofuimus fchemata iifdem confìgnata litteris,ut RationisTermini, uecnon Illultratio Arithmetica,utrifque inferviant. InTriauguloObliquangulo… … Hoc & nonnulla ut dixi fubfequentia Proble-mataduplici indigene praxi,quarum prior inven-tioni fegmentorum Bafis aut Angulorum vertica-lmmfubfervic, altera vero Angulorum aut Late-rum quaefìtorum. Termini ^ationum, I. Pro Segmento Balls. PerProbl.tf.Cap.^ (J^adius.% j Tangens Hypotenufe.t}…

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