18 9-62556584 To the fineFE 19.9578 9**27*27? Complement is F170.0622, themcafureof the angle A CB inquired. P R O B L. i<5. The Hypotenufa and an angle given, to find the other angle.In the redangular triangle ABC, the angle B A C is inquired CHypotenufaAC 51.0763The given angles Z ^ Angle A CB… … Illufira- 78 Trigonometria ^rkannua. Muffmtion by Numbers. As the Radius CI 90To tangent FI 70.0622 So fine CG 78.9237To tangent GH 60 10.0000000010.44040390 10.2^85605? Complement is D G 30. The meature of the angle C A B, inquired. CHAP. IV. Oftbe Dimenjim ofOHiqmngular Spherical Triangles. -A\…
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![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-64-40.webp)
