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New plane and spherical trigonometry, surveying, and navigation (1903)
Wentworth, G. A. (George Albert), 1835-1906 · Boston : Ginn & Company · leaf 112
29.i(B + A) = 58°44/30//.log(6-a) = 2.54332colog (b -f a) = 6.13664 - 10logtan|(E +-4) = 10.21680logtan£(£ - 4) =. 8.89676 i(B-A)= 4° 30 29.B = 63° 14 59.A = 54° 14 1.log 6 = 3.58263log sin 0 = 9.94799colog sin B = 0.04916log c = 3.57978 c = 3800..-. 4J5 = 3800 yards. 17. Two inaccessible objects… … In triangle ACB A = 180° - (C + D) = 41° 49.6 _ sin 34° 51562 ~ sin 41° 49*a 562 sin 34° 51 sin 41° 49 log 562 = 2.74974 log sin 34° 51= 9.75696 colog sin 41° 49 = 0.17604 log b = 2.68274 b = 481.66. In triangle CBB B= 180° _(C + D) = 43° 12. a _ sin 95° 40 562~ sin 43° 12 562 cos 5° 40 sin 43°…Trigonometry · Surveying · Navigation
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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