Loney, S. L. (Sidney Luxton), 1860-1939 · London, Macmillan and co. · leaf 134
THE CIRCLE. 119 … Let OX and (9 F be the two rectangular axes. Let C be the centre of thecircle and a its radius. Take any point P on thecircumference and draw per-pendiculars CM and FN uponOX; let F be the point (x, y). Draw GL perpendicular toNF. Let the coordinates of G beh and h; these are supposed to be known.…
Coordinates · Geometry, Analytic
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