Dowling, L. Wayland (Linnaeus Wayland), b. 1867, Turneaure, F. E. (Frederick Eugene), 1866- · New York, H. Holt and company · leaf 36
>X Fig. 12 … slope of F^Po = tan DPiP^ OCa — OCt (2) 2 ~ •* 1 For example, the slope of the segment joining (—4, —2) to (2, 5) is 5-(-2) ^7 2-(-4) 6- Although reversing the direction of a segment changes itsinclination by 180°, it does not change its slope. For, slope of PoPi =^^^^^= slope of P.P^. EXERCISES 1.…
Geometry, Analytic
Internet Archive · Boston College Libraries · Public Domain Mark 1.0. Free to use for anything.
