Laplace, Pierre Simon, marquis de, 1749-1827, Bowditch, Nathaniel, 1773-1838, Bowditch, N. I. (Nathaniel Ingersoll), 1805-1861 · Boston, Hillard, Gray, Little, and Wilkins · leaf 433
3. In this case, the geodetical line HIi, is a great circle, as well as the arcs ZHH, ZIF, Zif; and the infinitely small arc im is perpendicular to Im. Then we have XH = <P/, XF = ?, Ff=dcp, ZH=0„ HH=^„ ZI=6, FI=±, Im=d±, HI=s, Ii = ds; angles ZHI=X, ZIi = >! ; and in the rectangular triangle… … ds sin. Xcos. 4 rf4 —— = cos. A. as [1956a] [19566] At the commencement ii of the geodetical line, <p, 4> X, become respectively <p,, ^,, A,[1S92, 19.31], and the preceding equations become like the values of —, —, [I95G]. In the spherical triangle Z H I, wc have sin. ZHI : sin. ZI :: sin.…
Celestial mechanics · Tides · Capillarity
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