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Trigonometria Artificialis (1633)

Vlacq · leaf 20

An illustration from Trigonometria Artificialis, 1633, leaf 20
Prsetereain Triangulis Recìangulistam Planis quam Sphaericis, Hypotenufa di-catnr latus fubtendens angulù reòtum, ut Latus A C fubtendens angulum ABC.Cruraautemdicanturqu«eangulum comprehenduncre&um,utlacera AB,BC Problema u Datis Cruribus,Quaritur ANGVLVS alteruter. In Triangulo Rectangulo ABC… … . (Crus alterum.£ 1 Crus reliquum*t } Rgdius.^ [Tangensangulicrurireliquooùpofiti. perProp. 2.Cap.2. Illuftratio Arithmetica. . f Crus A Bfj Crus B CI) Radi us AB Log. Crurtem.&Tang, II23 7943_ 3,ofoó8,<J8l 6°f 86ol 2,78237,23? [Tangens B A C ^r.28; 1^:4^ 9>7H4*,m PROB, <j…

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