Trigonometry.
Clavius, Christoph. ¥*E 5010.54 Opera mathematica V tomis distributa. Moguntiae. Hierat. 1611, 12. F°. Contents.-1. In Euclidem [et] in Theodosium comnentarii.-De sinibus ac lineis tangentibus & secantibus.-Triangula rectilinea sphaerica. 2. Geometria.-Arithmetica.-Algebra, 5. Commentarius in sphaeram Ioannis de Sacro Bosco.-Astrolabium. (Cont imed)