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New plane and spherical trigonometry, surveying, and navigation (1903)
Wentworth, G. A. (George Albert), 1835-1906 · Boston : Ginn & Company · leaf 159
tan AEB = -1/ = 5.log tan AEB = 10.69897. AEB = 78° 41 24.ACB = l$0°-2 AEB= 22° 37/ 12.AC = AB esc ACB= 10 esc 22° 3712 log 10 log csc 22° 3712 log AC ACACB Area of sector : 1.00000: 0.41497: 1.41497 … 7T262 log 377 \0g1t log 262colog 3000 log area = 2.42631 360 — _aUL Tt 262 — 3 0 0 0 *u * = 2.57634= 0.49715= 2.82994= 6.52288 - 10 Area of sector ■.Area of triangle = 266.88.CAB= ABxCB= 10 (26 - 2)= 240.Area of segment = 26.88. TEACHERS EDITION. 151 100. If r is the radius of a circle, the area of…Trigonometry · Surveying · Navigation
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