A treatise on surveying and navigation: uniting the theoretical, practical, and educational features of these subjects (1857)
Robinson, Horatio N[elson], 1806-1867. [from old catalog] · Cincinnati, J. Ernst; Toledo, Anderson, Burr, & co. · leaf 72
.859323 : DA 1751 - - - - 3.243286: : sin.Z>31°1719 - - 9.715460 12.958746 AE1257.2 - - - 3.099423 OBLIQUE ANGLED TRIGONOMETRY. 69 EXAMPLE 4. Given the three sides of a plane triangle to find the angles.Given .4(7=1751, £5=1257.5, -45=2364.5If we take the formula for cosines, we willcompute the… … BY Li $=2686.5 s—c=322 COS. RITHMS . log.3.0995083.243286 20.0000003.4291872.507856 Numerator,a 1257.551751. 25.937043 Denominator, log. 6.342794 2 6.342694 i(7= 51° 1110(7=102 22 20 )19.5942499.797124 The remaining angles may now be found by problem 4.We give the following examples for practical…
Surveying · Navigation
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