Smart, Edward Howard · London : Macmillian and Co. · leaf 281
tion of the other, and two more points on the curve, (2) Given one asymptote, the direction of the other, and a tangent and its point of contact. (3) Given one asymptote, the direction of the other, and two more tangents. (4) Given the directions of both asymptotes, two points on the curve and the… … Fig. 128. Let a, h, c be three tangents, x the straight line giving thedirection of the axis. 254 PROJECTIVE GEOMETRY We may consider the curve as possessing two consecutivetangents at infinity, the intersection of which is the point atinfinity on x. Let e^, /„ be these tangents. Let it be required…
Geometry, Projective
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