A treatise on special or elementary geometry (1877)
Olney, Edward, 1827-1887, Olney, Edward, 1827-1887. Elements of trigonometry, plane and spherical · New York : Sheldon · leaf 445
. value of a be assigned in order that there may be two solutions ? Be-yond what limiting values of « is a solution impossible ? Projection. See Fig. 65. Trigonometrical Solution.—To find p, sin p= sin b sin A. log sin 27° 08 22 = 9.659115+ log sin 40° 51 18 = 9.815675 Rejecting 10 = 9.474790 — log… … tween CD aud CA (180° - b = 152° 51 38).To find AD, cos A = cot 5 tan AD or tan AD = cos Acot 6 log cos 40° 51 18 = 9.878733- log cot 27° 08 22 = 10.290226 Addinsr 10 = 9.5«8o07 = log tan AD. AD = 21° 11 30.6.cos 5 To find ansrle ACD, cos b = cotA cot ACD, or cot ACD = . = cot A log cos 27° 08 22 =…
Geometry · Trigonometry
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