New plane and spherical trigonometry, surveying, and navigation (1903)
Wentworth, G. A. (George Albert), 1835-1906 · Boston : Ginn & Company · leaf 360
CPF= 9.79684CPF = 57° 56.X of C = 64° 5057° 56X of F = 6° 54 W. 2. Find the elements of the great circle track between Boston (MinotsLedge light-house) in latitude 42° 16 N., longitude 70° 46 W., and CapeClear, in latitude 51° 26 N., longitude 9° 29 W. [Take i \d = 30° 39.] Lat. C = 51° 26 N. Long.… … cot -J- Xd. cot -J- X<*. 352 NAVIGATION, £(C-C)= 4°35, log cos = 9.99861 f (c?-rhe) = 43° 9, cologcos = 0.13694 £Xd = 30° 39, log cot = 10.22726 log tan i (C + C) = 10.36281 ^ (C + 0) = 66° 33 i(C — C) = 11° 9/ log sin = 8.90260 cologsin= 0.16500 log cot = 10.22726 log tan i (C - C) = 9.29486 £…
Trigonometry · Surveying · Navigation
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