Loney, S. L. (Sidney Luxton), 1860-1939 · London, Macmillan and co. · leaf 153
ofcontact of two imaginary tangents. 162. Pole and Polar. Def. If through a pointF (within or without a circle) there be drawn any straightline to meet the circle in Q and F, the locus of the point ofintersection of the tangents at Q and F is called the polarof F; also F is called the pole of the…
Coordinates · Geometry, Analytic
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