[Coffin, John Huntington Crane], 1815-1890. [from old catalog] · New York, D. Van Nostrand · leaf 270
ans of the noted azimuths.For, if Z and Z are the azimuths of M and M (Fig. 47),reckoned as positive toward the right, MZM=Z-Z,and in the triangle M Z M LATITUDE BY TWO ALTITUDES. 263 sin Q=$in (Z-Z)~. As cos h and sin _Z? are positive, (? will have the same signas (Z—Z) restricted numerically to…
Navigation · Nautical astronomy
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