A general geometry and calculus : including book I. of the general geometry, treating of loci in a plane; and an elementary course in the differential and integral calculus (1881)
Olney, Edward, 1827-1887 · New York : Sheldon and Co. · leaf 94
^).Therefore this lemniscate is the locus of the intersection of a perpendicularfrom the centre of an equilateral hyperbola upon its tangent, the axes ofboth loci being coincident. THE CYCLOID. 92. Def.—TJie Cycloid is the locus of a point in the circum-ference of a circle which rolls along a fixed… … Fig. 70. 03. Defs.—The circle H PI is called the Generating Circle, or, simply the G-eneratrix /AX is the J^ase, and is equal to thecircumference of the generatrix; and B F, erected perpendicular tothe base at its centre, is the A-QCis, and is equal to the diameter ofthe generatrix. 04:.…
Geometry, Analytic · Calculus
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