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    <title>Recurring Series on Superphysics</title>
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      <title>Transcending Quantities Arising From The Circle</title>
      <link>https://www.superphysics.org/research/euler/infinitorum/chapter-08/126/</link>
      <pubDate>Sun, 08 Feb 2026 00:00:00 +0000</pubDate>
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      <description>&lt;ol start=&#34;126&#34;&gt;&#xA;&lt;li&gt;After logarithms and exponential quantities have been considered, circular arcs and the sines and cosines of these must be considered; not only because they constitute&#xA;another kind of transcending quantity, but also because of the logarithms and exponentials of these that arise when they are involved with imaginary quantities, which&#xA;will become clearer below.&lt;/li&gt;&#xA;&lt;/ol&gt;&#xA;&lt;p&gt;Therefore we may put the radius of the circle or the whole sine to be and it is clear&#xA;enough that the periphery of this circle cannot be expressed exactly in rational numbers;&#xA;but by approximations the semi–circumference of this circle has been found to be&lt;/p&gt;</description>
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