Legendre, A. M. (Adrien Marie), 1752-1833, Brewster, David, Sir, 1781-1868, Davies, Charles, 1798-1876 · New York, Wiley & Long · leaf 123
eth place. Such an approximation is evidently equi-valent to pirlcct correctness : the root of an imperfect poweris in no case mure accurately known. Tiie followinsr problem will exhibit one of the simplest ele-mentary mcthuds of obtainuig those approximations. PROrOSITION XIII. PROBLEM. Fhe… … Let AB be a side of the giveninscribed polygon ; EF, parallel toAB, a side of the circumscribedj)olvgon ; C the centre of the cir-cle. If the chord AM and thetangents AP, BQ, be drawn, AMwill be a side of the inscribedpolvgon, having twice the num-ber of sides ; and AP 4- PM =:2PMor PQ, will be a…
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-67-45.webp)
