Trilinear Coordinates and Other Methods of Modern Analytical Geometry of Two Dimensions: An Elementary TreatiseDeighton, 1866 - 506 σελίδες |
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a₁ aa+bB+cy angles angular points anharmonic ratio asymptotes B₁ chord of contact circle circular points coefficients coincident points collinear condition conic section conjugate conjugate point cubic curve cusp d'f d'f dB dy denote determinant df df df diameter direction sines ellipse equa equation Art find the equation fixed point foci given point given straight line harmonic homogeneous function hyperbola imaginary points inscribed last article line at infinity line whose equation lines of reference locus meet middle points P₁ parabola parallel perpendicular distances point of intersection points at infinity points of contact points of reference polar quadrilateral radical axis respect self-conjugate shew straight line joining tangents triangle ABC triangle of reference triangular coordinates trilinear coordinates ua² Y₁