The American practical navigator : being an epitome of navigation and nautical astronomy (1888)
Bowditch, Nathaniel, 1773-1838, United States. Navy Dept. Bureau of Navigation, Cooper, Philip Henry, 1844-1912 · Washington : Govt. Print. Off. · leaf 90
g sin 9.88457 log cos 9.80762log cos 9.73278 log sin 9.92498 CrLv :5o° 3^57 17 Lm = 45 10 S.D.Lom=49 45Lo„ log cos 9.84821 :85 IlW. log sin 9.88264 LOr 35 26 W. Art. 143. To find the point of intersection E of the great circle withthe equator, when the two places A and B are on opposite sides. In… … From the right triangles AE« and BEi5— Tan E. Fig. 36. or. Tan E. = tan k.a tan B3 sin Ea sin E<^ tan L. tan L whence,and By Plane Trig., Butand put then sin Lo. sin Lo sin Lo. tan L.sin Lo tan L sin Lo -f- sin Lo. tan L -f- tan L. sin Lo — sin Lo. tan L — tan L. Tan ^ (Lo + Lo.) ^ sin (L +…
Navigation · Nautical astronomy
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