Cosine integral

From specialfunctionswiki
Revision as of 21:03, 4 October 2014 by Tom (talk | contribs) (Created page with "The cosine integral is defined by $$\mathrm{Ci}(z) = -\displaystyle\int_z^{\infty} \dfrac{\cos t}{t} dt ; |mathrm{arg} z|<\pi.$$")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

The cosine integral is defined by $$\mathrm{Ci}(z) = -\displaystyle\int_z^{\infty} \dfrac{\cos t}{t} dt ; |mathrm{arg} z|<\pi.$$