New plane and spherical trigonometry, surveying, and navigation (1903)
Wentworth, G. A. (George Albert), 1835-1906 · Boston : Ginn & Company · leaf 361
1... PF = 37°32/.X of V = 90° - 37° 32= 52°28N. log cos £D= 9.97062 2500 m. To find X of V.cot CPV = cosetan C. log cose7 = 9.82775log tan C = 10.16124log cot CPV = 9.98899CPF= 45° 44Xof C = 70° 46Xof F=25° 2 W. 3. Find the elements of the great circle track between VancouverIsland, in latitude 50°… … \d = 157° 52 - 128° = 29° 52. tan *((? + C) = cos j (c — c)cos i (c + c) cot I X<*. tan i (C - O) = C0S|^ , cj cot iXd. v ■ sin i (c + c) teachers edition. 353 i (C - c) = 14° 21, log cos = 9.98623 J(c/ + c) = 64°2r, colog cos = 0.23446 iXd = 14° 56, log cot = 10.57397 log tan i (C + G) =…
Trigonometry · Surveying · Navigation
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