Elements of analytical geometry and of the differential and integral calculus (1866)
Davies, Charles, 1798-1876 · New York, Barnes & Co. · leaf 74
lar equation of thecircle, when the pole is in the circumference. The equation of the circle, referred to rectangular co-or-dinates, when the origin is in the circumference, as at £\ (Art. 4—8), is, y^ z= 2Rx ^ x^ , ^ , , . (1.) BOOK n.] THE CIRCLE. 73 If B is the pole of thepolar co-ordinates, we… … we have. 2Er cos?; 0; which is the polar equation of the circle when the pole isat B\ and the angle v^ estimated from the axis of -Xl Interpretation of the equation. 13. Since the polar equation, r^ — 27?r cos v = 0, has no absolute term, one of the roots is equal to 0; *which ought to be the case,…
Geometry, Analytic · Calculus
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