Essays on several curious and useful subjects, in speculative and mix'd mathematicks : illustrated by a variety of examples (1740)
Simpson, Thomas, 1710-1761, Adams, John, 1735-1826, former owner. BRL, John Adams Library (Boston Public Library) BRL · London : Printed by H. Woodfall, jun. for J. Nourse ... · leaf 119
and for the very fame Reafon, ^ x B R— B/= B^, and _y X B^ — B R = B /6, ^c^c. Hence, it ap-pears, that the Values of the Chords B/, BR, ^c, (which Ee- to ( io6 ) to a Radius equal A B, will be Co-fines of the Angles A B/ … A B R, G?r.) may be readily had one after another, by ta-king continually the Produd of the laft by y, minus the laftbut one, for the next following : And thus are had^ ^3_3;,= BR, jy6 —e^^-f 9;^* —2 =;BH, ^c. &c. ;enerally, fuppofing A^ ^ ^^By , ^^ anv one Chord of the foregoing Order, and A y…
Celestial mechanics · Calculus · Astronomy
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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-340-231.webp)
