Legendre, A. M. (Adrien Marie), 1752-1833, Brewster, David, Sir, 1781-1868, Davies, Charles, 1798-1876 · New York, Wiley & Long · leaf 246
- - . 2.545367 To find the side b. As sine C 99° 16 ar.-comp. log. 0.005705 ]% to sine B 22° 37 - - - . 9.584908 So is side c 408 2.610660 To side 6 158.976 .... 2.201333 2. In a triangle ABC, there are given the angle A = 38° 25B = 57° 42, and tlie side c = 400 : required the remainingparts. Ans.… … 1. In the triangle ABC, thereare given side AC = 216, BC =117, and the angle A=22° 37,to find the remaining parts. Describe the triangies ACB,ACB, as in Prob. XL Book III. Then find the angle B by-Theorem III. As side BC or BC 117 ar.-comp. log. Is to side AC 216 So is sine A 22° 37 To sine B 45°…
Trigonometry · Geometry
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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-271-175.webp)
