Integrand size = 21, antiderivative size = 86 \[ \int \cos (c+d x) (a+a \cos (c+d x))^{3/2} \, dx=\frac {8 a^2 \sin (c+d x)}{5 d \sqrt {a+a \cos (c+d x)}}+\frac {2 a \sqrt {a+a \cos (c+d x)} \sin (c+d x)}{5 d}+\frac {2 (a+a \cos (c+d x))^{3/2} \sin (c+d x)}{5 d} \]
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Time = 0.08 (sec) , antiderivative size = 86, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {2830, 2726, 2725} \[ \int \cos (c+d x) (a+a \cos (c+d x))^{3/2} \, dx=\frac {8 a^2 \sin (c+d x)}{5 d \sqrt {a \cos (c+d x)+a}}+\frac {2 a \sin (c+d x) \sqrt {a \cos (c+d x)+a}}{5 d}+\frac {2 \sin (c+d x) (a \cos (c+d x)+a)^{3/2}}{5 d} \]
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Rule 2725
Rule 2726
Rule 2830
Rubi steps \begin{align*} \text {integral}& = \frac {2 (a+a \cos (c+d x))^{3/2} \sin (c+d x)}{5 d}+\frac {3}{5} \int (a+a \cos (c+d x))^{3/2} \, dx \\ & = \frac {2 a \sqrt {a+a \cos (c+d x)} \sin (c+d x)}{5 d}+\frac {2 (a+a \cos (c+d x))^{3/2} \sin (c+d x)}{5 d}+\frac {1}{5} (4 a) \int \sqrt {a+a \cos (c+d x)} \, dx \\ & = \frac {8 a^2 \sin (c+d x)}{5 d \sqrt {a+a \cos (c+d x)}}+\frac {2 a \sqrt {a+a \cos (c+d x)} \sin (c+d x)}{5 d}+\frac {2 (a+a \cos (c+d x))^{3/2} \sin (c+d x)}{5 d} \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 67, normalized size of antiderivative = 0.78 \[ \int \cos (c+d x) (a+a \cos (c+d x))^{3/2} \, dx=\frac {a \sqrt {a (1+\cos (c+d x))} \sec \left (\frac {1}{2} (c+d x)\right ) \left (20 \sin \left (\frac {1}{2} (c+d x)\right )+5 \sin \left (\frac {3}{2} (c+d x)\right )+\sin \left (\frac {5}{2} (c+d x)\right )\right )}{10 d} \]
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Time = 0.97 (sec) , antiderivative size = 71, normalized size of antiderivative = 0.83
method | result | size |
default | \(\frac {4 \cos \left (\frac {d x}{2}+\frac {c}{2}\right ) a^{2} \sin \left (\frac {d x}{2}+\frac {c}{2}\right ) \left (2 \left (\cos ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\cos ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )+2\right ) \sqrt {2}}{5 \sqrt {a \left (\cos ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}\, d}\) | \(71\) |
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Time = 0.25 (sec) , antiderivative size = 55, normalized size of antiderivative = 0.64 \[ \int \cos (c+d x) (a+a \cos (c+d x))^{3/2} \, dx=\frac {2 \, {\left (a \cos \left (d x + c\right )^{2} + 3 \, a \cos \left (d x + c\right ) + 6 \, a\right )} \sqrt {a \cos \left (d x + c\right ) + a} \sin \left (d x + c\right )}{5 \, {\left (d \cos \left (d x + c\right ) + d\right )}} \]
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\[ \int \cos (c+d x) (a+a \cos (c+d x))^{3/2} \, dx=\int \left (a \left (\cos {\left (c + d x \right )} + 1\right )\right )^{\frac {3}{2}} \cos {\left (c + d x \right )}\, dx \]
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Time = 0.39 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.62 \[ \int \cos (c+d x) (a+a \cos (c+d x))^{3/2} \, dx=\frac {{\left (\sqrt {2} a \sin \left (\frac {5}{2} \, d x + \frac {5}{2} \, c\right ) + 5 \, \sqrt {2} a \sin \left (\frac {3}{2} \, d x + \frac {3}{2} \, c\right ) + 20 \, \sqrt {2} a \sin \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right )} \sqrt {a}}{10 \, d} \]
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Time = 0.33 (sec) , antiderivative size = 77, normalized size of antiderivative = 0.90 \[ \int \cos (c+d x) (a+a \cos (c+d x))^{3/2} \, dx=\frac {\sqrt {2} {\left (a \mathrm {sgn}\left (\cos \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right ) \sin \left (\frac {5}{2} \, d x + \frac {5}{2} \, c\right ) + 5 \, a \mathrm {sgn}\left (\cos \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right ) \sin \left (\frac {3}{2} \, d x + \frac {3}{2} \, c\right ) + 20 \, a \mathrm {sgn}\left (\cos \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right ) \sin \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right )} \sqrt {a}}{10 \, d} \]
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Timed out. \[ \int \cos (c+d x) (a+a \cos (c+d x))^{3/2} \, dx=\int \cos \left (c+d\,x\right )\,{\left (a+a\,\cos \left (c+d\,x\right )\right )}^{3/2} \,d x \]
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