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angle asymptotes axes becomes bisects called Cambridge centre CHAPTER chord chord of contact circle cloth co-ordinates coincide College common conic section conjugate diameters constant corresponding Crown 8vo curve cuts denote described determined direction distance draw drawn Edition ellipse equal Examples expression extremities figure find the equation fixed point focal focus four give given point greater Hence hyperbola inclined length line joining line passing locus means meet middle point negative normal obtain origin pair parabola parallel perpendicular point of intersection polar equation pole positive produced proposition prove radius ratio rectangular referred represents respectively result right angles satisfy Schools shew shewn sides similar Similarly straight line student Substitute suppose tangent tion touch triangle values vertex written
Seite 100 - A point moves so that the sum of the squares of its distances from the points (0, 0), (1, 0) is constant.
Seite 25 - In this equation n is the tangent of the angle which the line makes with the axis of abscissae, and B is the intercept on this axis from the origin.
Seite 141 - Thus a parabola is the locus of a point which moves so that its distance from a fixed point is equal to its distance from a fixed straight line (see fig.