;aeD B, I H. Ajo Sinus Hypotenufaruui A D,PI Sinubus perpendicularium D B,I H proportionalesefle. Et contra. Sunt enim Triangula B A D, P HI, fimilia. Quia re&as D B,I H perpendicula-res infiitunt eidem plano,-Et parallela?etiam D A, IP, ìuntineodemEclipticseplano ,eandemque habent… … ■ .i Sinus Hjpotetwfx AD . PI. £ \Sintts Perpendio, DB , IH. ìt\Sinus Hypotenufa PI . AD. ^ LSims Perpendic IH .DB. Quod erat demonftrandum. , Sinus Ter pai die. DB . IH. \SmusHypottmfc DA • IP. }SitiH$. Terpendio. IH • DB. Sinus Hypotenufe H* . D A. > AXIOMA II.In Triangulis Sphsericis…
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