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http://functions.wolfram.com/01.09.21.0177.01
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Integrate[((a + b Cot[c z])^n)^\[Beta], z] ==
-((a + b Cot[c z]) ((a + b Cot[c z])^n)^\[Beta]
(((-I) a + b) Hypergeometric2F1[1 + n \[Beta], 1, 2 + n \[Beta],
(a + b Cot[c z])/(a - I b)] + (I a + b) Hypergeometric2F1[
1 + n \[Beta], 1, 2 + n \[Beta], (a + b Cot[c z])/(a + I b)]))/
(2 (a^2 + b^2) c (1 + n \[Beta]))
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Date Added to functions.wolfram.com (modification date)
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