A treatise on surveying and navigation: uniting the theoretical, the practical, and the educational features of these subjects (1852)
Robinson, Horatio N[elson], 1806-1867. [from old catalog] · Cincinnati, J. Ernst · leaf 132
_^sin-Al2nksin.q \4 n2h2 sin.2 q rasin. ^/ In case ra is Zar^e, that is the part to be cut off small, the valueof x may be imaginary, corresponding to the preceding remark. Case 5. When the given point is on one side of the triangle. The two parts must be equal, or oneof them will be less than half… … 128 SURVEYING. required to draw PD, so that the triangle BPJ), shall be the nthpart of ABC. That is BCAG PQ. BZ>=: Whence, BD-. nBC.AG nPQ Case. 6. When the given point is without the triangle. Let ABC be the given triangle, and P any given point withoutit. It is required to run a line from P,…
Surveying · Navigation
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