Woods, Frederick S. (Frederick Shenstone), 1864-, Bailey, Frederick H. (Frederick Harold), 1865- · Boston, New York [etc.] Ginn and Company · leaf 137
5°;finally, as 6 increases from 135° to 180°, r increases numerically from 0to a, and the portions of the curve in the second and the fourth quadrantare constructed. The curve is now complete, as we should only repeat thecurve already found if we assigned further values to 6; it is called… … In plotting, 6 is usually consideredin circular measure. When 9 = 0,r — 0, and as 6 increases, r increases,so that the curve winds infinitely oftenaround the origin while receding fromit (fig. 103). In the figure the heavy line represents the portion of the spiral corresponding to positive valuesof…
Geometry, Analytic · Calculus
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