[Coffin, John Huntington Crane], 1815-1890. [from old catalog] · New York, D. Van Nostrand · leaf 135
For the triangle ABC (Fig. 29), we havej^ __ /fern (s — d) sin (a— c) sin-l- sin J) sin c in which, putting A — ta = 90°-A,b=p9 c = 90° —Z, … HOUR-ANGLE AND LOCAL TIME. 129 we have s—b = 90°—|- (Z+p + h),s—c = \ {L+p—li), cos \ (L + p -f h) sin ^ (Z +p — 7i) and sin | tor, if we put / cos L sin p s = i (Z+p + h), sin -J t //cos « sin (5 — Tij v (104) cos L sin ^?which is Bowditchs rule, p. 209. From Tab. XXVII. (Bowd.) we may take t…
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