Philippi Lansbergii Triangvlorvm geometriae libri qvatvor : in quibus novâ & perspicuâ methodo, & apodeixei [romanized], tota ipsorum triangulorum doctrina explicatur .. (1631)
Lansberge, Philippe van, 1561-1632 · Amsterdami : Apud Gvilielmvm Blaevw · leaf 3
G.E4DOMSEB Ro TE TRIANGVLORVM LI BAEGROGE De magnitudine re£larum linearum qua circa Circule peribheriam confiderantar. rr … ca circuli peripheriam confiderantur,compofiti. . Su[cepta nobis esl explicanda Triangulorum Geometria, velle tgmur a definitu- ve ejus au[picamur: ominis enim que a ratione (la[Cipitur de aliquavesn[Hitutio,de- bet à definitione proficifea , ut intelligatur id. dequo. difputatur. — Definitio autem…
Trigonometry -- Early works to 1800
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
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