New plane and spherical trigonometry, surveying, and navigation (1903)
Wentworth, G. A. (George Albert), 1835-1906 · Boston : Ginn & Company · leaf 67
olog tan A = 9.61722 - 10log £-c = 9.31619- 10p — \c x 2n = ?ic.F = ipft = |cx in.log F = log^c + login,logic = 9.31619- 10login = 0.60206logF = 9.91825 -10F = 0.82842. 14. Find the area of a regularpentagon if its diagonals are eachequal to 12. 180° ZAOD = 36°. ZAOC = 180° -36° = 141°.Z^lOi) =… … logic = 0.56916log tan 54° = 10.13874 -10log ft = 0.70790p = \c x 2n.F — iph = ic x nft.logF = logic+logn+logft.logic = 0.56916logw = 0.69897log ft = 0.70790logF= 1.97603F = 94.63. 15. Find the area of a regularpolygon of 11 sides inscribed in acircle, if the area of an inscribedregular pentagon is…
Trigonometry · Surveying · Navigation
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