Difference between revisions of "Cosine integral"
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*[http://dlmf.nist.gov/8.21 Generalized Sine and Cosine Integrals] | *[http://dlmf.nist.gov/8.21 Generalized Sine and Cosine Integrals] | ||
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Revision as of 06:51, 5 April 2015
The cosine integral is defined by $$\mathrm{Ci}(z) = -\displaystyle\int_z^{\infty} \dfrac{\cos t}{t} dt ; |\mathrm{arg} z|<\pi.$$
- Ci.png
Graph of $\mathrm{arccos}$ on $(0,20)$.
Videos
Laplace transform of cosine integral
