Woods, Frederick S. (Frederick Shenstone), 1864-, Bailey, Frederick H. (Frederick Harold), 1865- · Boston, New York [etc.] Ginn and Company · leaf 190
LIMIT OF RATIO OF ARC TO CHORD 173 Accordingly, let Px and P2 (fig. 145) be any two points of acurve, PXP2 the chord joining them, and PXT and RT the tangentsto the curve at those points re-spectively. We assume that thearc PP2 lies entirely on one sideof the chord P1P and is concavetoward the…
Geometry, Analytic · Calculus
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