[Coffin, John Huntington Crane], 1815-1890. [from old catalog] · New York, D. Van Nostrand · leaf 22
ately.Thus, in Fig. 5, the track C A is separated by the equator into two parts, C E and E A.For C E, we have px = — Z tan (7,CE^Z^ =plseG$Zi = — Z tan C sec i Znearly.For E A, we haveAA = ^=.2/, p2 == U tan (7,EA =D2=p2 sec£Z,=Z tan C sec ^ Unearly.Whence we obtain C A or D — A + -A- Instead of… … 16 NAVIGATION.
Navigation · Nautical astronomy
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