Merriman, Mansfield, 1848-1925 · New York Wiley · leaf 181
;o°. Then when SL, 6M, and 6Z areknown, the required quantities will be given by L = L-\-6L, M = J/4- 6AU Z = Z+ 180° -f 6Z. (64) The problem now is to find formulas for computing 6L, 6M,and 6Z. The solution here given will be sufificient to furnishthe results correctly to thousandths of seconds… … 178 SPHEROIDAL GEODESY. VII. — sinSL = sin5 cos^-1- {cosSL — cos5).tanZ. Now as both 6L and 5 are small arcs their sines may betaken as equal to the arcs themselves; and also cos^ =I — ^S and similarly for cosdL. Accordingly the equationreduces to - 6L = ScosZ-\- ^S t^nL - ^{SLf tanZ. Here the…
Geodesy · Surveying
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