New plane and spherical trigonometry, surveying, and navigation (1903)
Wentworth, G. A. (George Albert), 1835-1906 · Boston : Ginn & Company · leaf 15
- 6) (c - a)= V28.8 x 9.8= V282.24= 16.8. • , a 168 sm a = — = = cos 71 c 193 j 6 95 • »cos A = - = —- = sm is. c 193 . a 1^8 tan A — - = ^-=- = cot i>.6 95 b 95cot J. = - = —r = tan B. a 168 ILANE TBIGOXOMETUY. e 193 see A = - = -zzr = esc i>. cse J. 95 193168 : sec B. 11. Given a2 4- b2 =-… … cot ^4 = sec -4 = . c P + g csc *4 = - == a Vp2 4- g2 = tan 2*. csc B. == sec J5. 12. Given a2 4- &* = c2; And ilitfunctions of JL and i? when a = Vp2 4- pg, c = p 4- g. 52 sb C2 _ a2 = g2 + P9- .-. 5 = Vg2 4. pg. a Vp2 4-pgsin -A = - = ■ -f = cos 7;. cos J. Vg2 4- PQP.+ g * . a ^P2 ± PQ tan A…
Trigonometry · Surveying · Navigation
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