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http://functions.wolfram.com/01.07.21.1358.01
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Integrate[(a + b Cos[c z]^2)^\[Beta], z] == (-(1/(b c (1 + \[Beta]))))
(2^(-1 - \[Beta]) AppellF1[1 + \[Beta], 1/2, 1/2, 2 + \[Beta],
(2 a + b + b Cos[2 c z])/(2 a), (2 a + b + b Cos[2 c z])/(2 (a + b))]
Sqrt[-((b Cos[c z]^2)/a)] (2 a + b + b Cos[2 c z])^(1 + \[Beta])
Csc[2 c z] Sqrt[(b Sin[c z]^2)/(a + b)])
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Date Added to functions.wolfram.com (modification date)
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