Francisci Vietæi Opera mathematica : in quibus tractatur Canon mathematicus, seu ad triangula : item canonion triangulorum latetum rationalium, vnà cum Vniuersalium inspectionum ad canonem mathematicum, libro singulari (1589)
FRANCISCI VIET vEI, VNIVERSALIVM I NSPE CTION VM 24 XV. P ARASCEVxE <ad sectiones obli qvangvlorfm. i. Dum ex Lateribus exquiruntur Anguli. … AD poteft AB & BD, minus BD in CB bis. I g it v R in Triangulo obliquangulo A B D datorum laterum,educlo perpendiculo ab A verticis angulo ad B D bafim. Si a potentiis AB cruris finiftri,& B D bafeos aggregatis, auferatur potentia cruris dextri A D, & reliqui dimi- dium dtuidatur per B D…
Mathematics · Trigonometry
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