 | Mathematics - 1860 - 426 pages
...the cusp, and whose vertical focal distance is equal to а the axis of the cissoid, or in other words the locus of the foot of a perpendicular let fall from the vertex of a parabola on a tangent to it is a cissoid. This is easily shewn by the method of tangential coordinates. Since the... | |
 | James Booth - 1873 - 426 pages
...cusp, and whose vertical focal distance is equal to a the axis of the cissoid ; or, iu other words, the locus of the foot of a perpendicular let fall from the vertex of a parabola on a tangent to it is a cissoid. This is easily shown by the method of tangential coordinates. "2/3 Since... | |
 | William Elwood Byerly - 1888 - 284 pages
...of the ellipse. It is then a circle on the major axis of the ellipse as diameter. EXAMPLE. Show that the locus of the foot of a perpendicular let fall from the focus upon any tangent is a circle on the transverse axis as diameter in the hyperbola; is the tangent... | |
 | William Elwood Byerly - Calculus, Integral - 1895 - 298 pages
...of the ellipse. It is then a circle on the major axis of the ellipse as diameter. EXAMPLE. Show that the locus of the foot of a perpendicular let fall from the focus upon any tangent is a circle on the transverse axis as diameter in the hyperbola; is the tangent... | |
 | Education - 1914 - 898 pages
...the curve lying in the fourth quadrant is not shown in the drawing. The curve may also be defined as the locus of the foot of a perpendicular let fall from the vertex of a parabola upon a tangent. The problem of "duplicating the cube" is not taken up directly by Cantor. The solution... | |
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The curve may also be defined as the locus of the foot of a perpendicular let fall from the vertex of a parabola upon a tangent. The problem of "duplicating the cube" is not taken up directly by Cantor. 