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Pocket-book of mechanics and engineering (1864)
Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 154
; sin.j Q4+.B)tan.ic = tan.i(«- S) sha(A_2jy 19 20, - 21,22, - 23,24, - 25,26, Example 2. Fig. 141 0blique angled spherical triangle, c = 72° 30. B = 17° 307.C =79° 50.How long is the side & = ? _ ^ . , sin.csin.JB sin.72° S0Xsin.l7° 30*^^ 20. sm.6 = —-gi5^- _ sin.79o5Q, The answer + log.sin.… … tan.i(m-f7i)tani(m — n = tan.i(a+c)tanj(a — c)tan.m = tan.c cos.A, - 27, tan.C=!iniW2tai1^:,sin.(&—m) cos.a — cos.c cos. (b—m) cos.ft = cos.mcos.a cos.TTi cot.m — cos.cb = m±n.cos.c tan.A tan. a5 = a+b+c S = J.+^+C, sin. J J.: •*-V sin. (5 — c) sin.(5 — 6)sin.6 sin.c cos.ff cos.(S— A)§m.B sin.…Mechanical engineering · Engineering
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