Legendre, A. M. (Adrien Marie), 1752-1833, Brewster, David, Sir, 1781-1868, Davies, Charles, 1798-1876 · New York, Wiley & Long · leaf 249
- - - - - 1.190332 —log. c 34 ar.-comp. - - 8.468521 •—log. h 40 ar.-comp. - - 8.397940 2 log. sin J A 19.034517 log. sin 1 A 19° 12 39 - - - 9-517258 Angle A=38° 25 18. In a similar manner we find the angle B=83° 53 18 and the angle C=57° 41 24. Ex. 2. What are the angles of a plane triangle whose… … Cn the ground ^vhich wesupposeJo be horizontal or verynearly so, measure a base AD,neither very great nor verysmall in comparison with thealtitude AB ; then at D })lacethe foot of the circle, or what-ever be the instrument, withwhich we are to measure theangle BCE formed by the hori-zontal line CE…
Trigonometry · Geometry
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