Tanner, J. H. (John Henry), b. 1861, Allen, Joseph · New York, American Book Co · leaf 296
/ i ! \ i / ^1^^ I ■\/ / * 1 ,A -...um. - \ \>^ J) R _^j>< \ Fig. 124. Fig. 125. 4. r = - : the reciprocal spiral. 5. t^=^aB : the parabolic spiraL V … Fig. 126. 6. r2 = -: thelituus. e 7. r cos 2B = a. 8. r^ cos 2 d =a: an equilateral hyperbola with pole at thecenter. 9. r sin B tan S = 4 a : a parabola. 10. r = 6 — a cos B: the lima90ii of Pascal. Show the threeforms, for 6 < a, b= a, and b > a, respectively. •J80 CURVE TRACING. HIGHER…
Geometry, Analytic
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