Optimal. Leaf size=49 \[ -\frac {3 \tanh ^{-1}(\cos (x))}{8 a}-\frac {1}{8 (a-a \cos (x))}+\frac {a}{8 (a+a \cos (x))^2}+\frac {1}{4 (a+a \cos (x))} \]
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Rubi [A]
time = 0.05, antiderivative size = 49, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 3, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.231, Rules used = {2746, 46, 212}
\begin {gather*} \frac {a}{8 (a \cos (x)+a)^2}-\frac {1}{8 (a-a \cos (x))}+\frac {1}{4 (a \cos (x)+a)}-\frac {3 \tanh ^{-1}(\cos (x))}{8 a} \end {gather*}
Antiderivative was successfully verified.
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Rule 46
Rule 212
Rule 2746
Rubi steps
\begin {align*} \int \frac {\csc ^3(x)}{a+a \cos (x)} \, dx &=-\left (a^3 \text {Subst}\left (\int \frac {1}{(a-x)^2 (a+x)^3} \, dx,x,a \cos (x)\right )\right )\\ &=-\left (a^3 \text {Subst}\left (\int \left (\frac {1}{8 a^3 (a-x)^2}+\frac {1}{4 a^2 (a+x)^3}+\frac {1}{4 a^3 (a+x)^2}+\frac {3}{8 a^3 \left (a^2-x^2\right )}\right ) \, dx,x,a \cos (x)\right )\right )\\ &=-\frac {1}{8 (a-a \cos (x))}+\frac {a}{8 (a+a \cos (x))^2}+\frac {1}{4 (a+a \cos (x))}-\frac {3}{8} \text {Subst}\left (\int \frac {1}{a^2-x^2} \, dx,x,a \cos (x)\right )\\ &=-\frac {3 \tanh ^{-1}(\cos (x))}{8 a}-\frac {1}{8 (a-a \cos (x))}+\frac {a}{8 (a+a \cos (x))^2}+\frac {1}{4 (a+a \cos (x))}\\ \end {align*}
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Mathematica [A]
time = 0.13, size = 60, normalized size = 1.22 \begin {gather*} \frac {4-2 \cot ^2\left (\frac {x}{2}\right )-12 \cos ^2\left (\frac {x}{2}\right ) \left (\log \left (\cos \left (\frac {x}{2}\right )\right )-\log \left (\sin \left (\frac {x}{2}\right )\right )\right )+\sec ^2\left (\frac {x}{2}\right )}{16 a (1+\cos (x))} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.10, size = 44, normalized size = 0.90
method | result | size |
default | \(\frac {\frac {1}{-8+8 \cos \left (x \right )}+\frac {3 \ln \left (-1+\cos \left (x \right )\right )}{16}+\frac {1}{8 \left (\cos \left (x \right )+1\right )^{2}}+\frac {1}{4 \cos \left (x \right )+4}-\frac {3 \ln \left (\cos \left (x \right )+1\right )}{16}}{a}\) | \(44\) |
norman | \(\frac {-\frac {1}{16 a}+\frac {3 \left (\tan ^{4}\left (\frac {x}{2}\right )\right )}{16 a}+\frac {\tan ^{6}\left (\frac {x}{2}\right )}{32 a}}{\tan \left (\frac {x}{2}\right )^{2}}+\frac {3 \ln \left (\tan \left (\frac {x}{2}\right )\right )}{8 a}\) | \(47\) |
risch | \(\frac {3 \,{\mathrm e}^{5 i x}+6 \,{\mathrm e}^{4 i x}-2 \,{\mathrm e}^{3 i x}+6 \,{\mathrm e}^{2 i x}+3 \,{\mathrm e}^{i x}}{4 \left ({\mathrm e}^{i x}+1\right )^{4} a \left ({\mathrm e}^{i x}-1\right )^{2}}-\frac {3 \ln \left ({\mathrm e}^{i x}+1\right )}{8 a}+\frac {3 \ln \left ({\mathrm e}^{i x}-1\right )}{8 a}\) | \(87\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.27, size = 58, normalized size = 1.18 \begin {gather*} \frac {3 \, \cos \left (x\right )^{2} + 3 \, \cos \left (x\right ) - 2}{8 \, {\left (a \cos \left (x\right )^{3} + a \cos \left (x\right )^{2} - a \cos \left (x\right ) - a\right )}} - \frac {3 \, \log \left (\cos \left (x\right ) + 1\right )}{16 \, a} + \frac {3 \, \log \left (\cos \left (x\right ) - 1\right )}{16 \, a} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.37, size = 83, normalized size = 1.69 \begin {gather*} \frac {6 \, \cos \left (x\right )^{2} - 3 \, {\left (\cos \left (x\right )^{3} + \cos \left (x\right )^{2} - \cos \left (x\right ) - 1\right )} \log \left (\frac {1}{2} \, \cos \left (x\right ) + \frac {1}{2}\right ) + 3 \, {\left (\cos \left (x\right )^{3} + \cos \left (x\right )^{2} - \cos \left (x\right ) - 1\right )} \log \left (-\frac {1}{2} \, \cos \left (x\right ) + \frac {1}{2}\right ) + 6 \, \cos \left (x\right ) - 4}{16 \, {\left (a \cos \left (x\right )^{3} + a \cos \left (x\right )^{2} - a \cos \left (x\right ) - a\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \frac {\int \frac {\csc ^{3}{\left (x \right )}}{\cos {\left (x \right )} + 1}\, dx}{a} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.40, size = 52, normalized size = 1.06 \begin {gather*} -\frac {3 \, \log \left (\cos \left (x\right ) + 1\right )}{16 \, a} + \frac {3 \, \log \left (-\cos \left (x\right ) + 1\right )}{16 \, a} + \frac {3 \, \cos \left (x\right )^{2} + 3 \, \cos \left (x\right ) - 2}{8 \, a {\left (\cos \left (x\right ) + 1\right )}^{2} {\left (\cos \left (x\right ) - 1\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.29, size = 45, normalized size = 0.92 \begin {gather*} -\frac {\frac {3\,{\cos \left (x\right )}^2}{8}+\frac {3\,\cos \left (x\right )}{8}-\frac {1}{4}}{-a\,{\cos \left (x\right )}^3-a\,{\cos \left (x\right )}^2+a\,\cos \left (x\right )+a}-\frac {3\,\mathrm {atanh}\left (\cos \left (x\right )\right )}{8\,a} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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