Elements of analytical geometry and of the differential and integral calculus (1866)
Davies, Charles, 1798-1876 · New York, Barnes & Co. · leaf 348
ent TIi\ estimated on the axis oflogarithms. We have found, for the sub-tangent, on theaxis of X (Art. 45), -^=%■■ BBC. VII.] TRANSCENDENTAL CUKVKS. 143 and by simply changing the axis, we have, TR = -j^x = M (Art. 106); hence, ax ^ The sub-tangent^ taken on the axis of logarithms, is equalto the… … 108. If a circle KFG be rolled along a straight line,AL, any point of the circumference, as P, will describea curve, which is called a cycloid. The circle NPG iscalled the generating circle, and 1\ the generating point. Since each succeeding revolution of the generating circlewill describe an equal…
Geometry, Analytic · Calculus
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