Schmall, Charles Nelson. [from old catalog] · New York, D. Van Nostrand company · leaf 330
.The order of the subscripts is cyclic. 312 APPENDIX 313 The student should prove the generality of this theorem bytaking various other positions of the polygon.Note 2. — Eccentric angle of a point on the hyperbola. … Fig. 163. Let P be any point on the hyperbola, PN its ordinate.Describe the auxiliary circles, x + if -hif = b^ (1)(2)Then [by -] From N draw NA tangent to circle (1). Draw OA. Z AOM = c^, is the eccentric angle of P. Now, X = ON = a sec </>. 2/ = PN = 6 tan <^ X y substitution in -^ — th…
Geometry, Analytic
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
