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 141
angle of 135° ? 157. Def.—The Subnormal is the. projection of the normalupon the axis of x; or it is the distance from the foot of the ordinatelet fall from the point in the curve to which the normal is drawn, tothe intersection of the normal with the axis of x. 158. J^Toh.—To find the generalvalue… … Fio. 113. 112 PEOPERTIES OF PLANE LOCI.
Geometry, Analytic · Calculus
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