wiki:CosIntegral
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Cosine Integral Function

(cos-integral z)

The cosine integral function defined by 

  Ci(z) = integrate((cos(t) - 1)/t, t, 0, z) + log(z) + %gamma

where %gamma is the Euler-Mascheroni constant.

See also SinIntegral.

Last modified 15 years ago Last modified on 12/06/11 05:25:46
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