Mathematics for engineering students, Analytical geometry and calculus (1907)
Keller, S. S. (Samuel Smith), 1867-1923, Knox, W. F., [from old catalog] joint author · New York : D. Van Nostrand company · leaf 167
y a smoothcurve, we have the cycloid described by N. Art. 112. Second Method: This approximate construc-tion used in mechanical drawing is based on the fact thatfor very small arcs the arc does not sensibly differ from itschord, so the divisions are stepped off with the com-passes, thus really… … Fig. 60. Fig. 60. Let MN be the directrix and C the generatorcircle. Lay off any small distance on MN a sufficientnumber of times choosing the distance small enough so thatas a chord it would not sensibly differ from its arc, as AB.Then AB, BC, CD, etc., will practically equal correspondingarcs on…
Geometry, Analytic · Calculus
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