Optimal. Leaf size=64 \[ -\frac {7 \tanh ^{-1}(\cos (x))}{2 a^2}+\frac {16 \cot (x)}{3 a^2}-\frac {7 \cot (x) \csc (x)}{2 a^2}+\frac {8 \cot (x) \csc (x)}{3 a^2 (1+\sin (x))}+\frac {\cot (x) \csc (x)}{3 (a+a \sin (x))^2} \]
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Rubi [A]
time = 0.11, antiderivative size = 64, normalized size of antiderivative = 1.00, number of steps
used = 7, number of rules used = 7, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.538, Rules used = {2845, 3057,
2827, 3853, 3855, 3852, 8} \begin {gather*} \frac {16 \cot (x)}{3 a^2}-\frac {7 \tanh ^{-1}(\cos (x))}{2 a^2}-\frac {7 \cot (x) \csc (x)}{2 a^2}+\frac {8 \cot (x) \csc (x)}{3 a^2 (\sin (x)+1)}+\frac {\cot (x) \csc (x)}{3 (a \sin (x)+a)^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 8
Rule 2827
Rule 2845
Rule 3057
Rule 3852
Rule 3853
Rule 3855
Rubi steps
\begin {align*} \int \frac {\csc ^3(x)}{(a+a \sin (x))^2} \, dx &=\frac {\cot (x) \csc (x)}{3 (a+a \sin (x))^2}+\frac {\int \frac {\csc ^3(x) (5 a-3 a \sin (x))}{a+a \sin (x)} \, dx}{3 a^2}\\ &=\frac {8 \cot (x) \csc (x)}{3 a^2 (1+\sin (x))}+\frac {\cot (x) \csc (x)}{3 (a+a \sin (x))^2}+\frac {\int \csc ^3(x) \left (21 a^2-16 a^2 \sin (x)\right ) \, dx}{3 a^4}\\ &=\frac {8 \cot (x) \csc (x)}{3 a^2 (1+\sin (x))}+\frac {\cot (x) \csc (x)}{3 (a+a \sin (x))^2}-\frac {16 \int \csc ^2(x) \, dx}{3 a^2}+\frac {7 \int \csc ^3(x) \, dx}{a^2}\\ &=-\frac {7 \cot (x) \csc (x)}{2 a^2}+\frac {8 \cot (x) \csc (x)}{3 a^2 (1+\sin (x))}+\frac {\cot (x) \csc (x)}{3 (a+a \sin (x))^2}+\frac {7 \int \csc (x) \, dx}{2 a^2}+\frac {16 \text {Subst}(\int 1 \, dx,x,\cot (x))}{3 a^2}\\ &=-\frac {7 \tanh ^{-1}(\cos (x))}{2 a^2}+\frac {16 \cot (x)}{3 a^2}-\frac {7 \cot (x) \csc (x)}{2 a^2}+\frac {8 \cot (x) \csc (x)}{3 a^2 (1+\sin (x))}+\frac {\cot (x) \csc (x)}{3 (a+a \sin (x))^2}\\ \end {align*}
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Mathematica [B] Leaf count is larger than twice the leaf count of optimal. \(203\) vs. \(2(64)=128\).
time = 0.46, size = 203, normalized size = 3.17 \begin {gather*} \frac {\left (\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )\right ) \left (-16 \sin \left (\frac {x}{2}\right )-3 \left (1+\cot \left (\frac {x}{2}\right )\right )^3 \sin \left (\frac {x}{2}\right )+8 \left (\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )\right )-160 \sin \left (\frac {x}{2}\right ) \left (\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )\right )^2+24 \cot \left (\frac {x}{2}\right ) \left (\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )\right )^3-84 \log \left (\cos \left (\frac {x}{2}\right )\right ) \left (\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )\right )^3+84 \log \left (\sin \left (\frac {x}{2}\right )\right ) \left (\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )\right )^3-24 \left (\cos \left (\frac {x}{2}\right )+\sin \left (\frac {x}{2}\right )\right )^3 \tan \left (\frac {x}{2}\right )+3 \cos \left (\frac {x}{2}\right ) \left (1+\tan \left (\frac {x}{2}\right )\right )^3\right )}{24 a^2 (1+\sin (x))^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.21, size = 74, normalized size = 1.16
method | result | size |
default | \(\frac {\frac {\left (\tan ^{2}\left (\frac {x}{2}\right )\right )}{2}-4 \tan \left (\frac {x}{2}\right )-\frac {1}{2 \tan \left (\frac {x}{2}\right )^{2}}+\frac {4}{\tan \left (\frac {x}{2}\right )}+14 \ln \left (\tan \left (\frac {x}{2}\right )\right )+\frac {16}{3 \left (\tan \left (\frac {x}{2}\right )+1\right )^{3}}-\frac {8}{\left (\tan \left (\frac {x}{2}\right )+1\right )^{2}}+\frac {32}{\tan \left (\frac {x}{2}\right )+1}}{4 a^{2}}\) | \(74\) |
risch | \(\frac {63 i {\mathrm e}^{5 i x}+21 \,{\mathrm e}^{6 i x}-126 i {\mathrm e}^{3 i x}-98 \,{\mathrm e}^{4 i x}+75 i {\mathrm e}^{i x}+97 \,{\mathrm e}^{2 i x}-32}{3 \left ({\mathrm e}^{2 i x}-1\right )^{2} \left ({\mathrm e}^{i x}+i\right )^{3} a^{2}}-\frac {7 \ln \left ({\mathrm e}^{i x}+1\right )}{2 a^{2}}+\frac {7 \ln \left ({\mathrm e}^{i x}-1\right )}{2 a^{2}}\) | \(99\) |
norman | \(\frac {\frac {14 \left (\tan ^{4}\left (\frac {x}{2}\right )\right )}{a}-\frac {1}{8 a}+\frac {5 \tan \left (\frac {x}{2}\right )}{8 a}-\frac {5 \left (\tan ^{6}\left (\frac {x}{2}\right )\right )}{8 a}+\frac {\tan ^{7}\left (\frac {x}{2}\right )}{8 a}+\frac {95 \left (\tan ^{3}\left (\frac {x}{2}\right )\right )}{4 a}+\frac {151 \left (\tan ^{2}\left (\frac {x}{2}\right )\right )}{12 a}}{\tan \left (\frac {x}{2}\right )^{2} a \left (\tan \left (\frac {x}{2}\right )+1\right )^{3}}+\frac {7 \ln \left (\tan \left (\frac {x}{2}\right )\right )}{2 a^{2}}\) | \(100\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 155 vs.
\(2 (54) = 108\).
time = 0.29, size = 155, normalized size = 2.42 \begin {gather*} \frac {\frac {15 \, \sin \left (x\right )}{\cos \left (x\right ) + 1} + \frac {239 \, \sin \left (x\right )^{2}}{{\left (\cos \left (x\right ) + 1\right )}^{2}} + \frac {405 \, \sin \left (x\right )^{3}}{{\left (\cos \left (x\right ) + 1\right )}^{3}} + \frac {216 \, \sin \left (x\right )^{4}}{{\left (\cos \left (x\right ) + 1\right )}^{4}} - 3}{24 \, {\left (\frac {a^{2} \sin \left (x\right )^{2}}{{\left (\cos \left (x\right ) + 1\right )}^{2}} + \frac {3 \, a^{2} \sin \left (x\right )^{3}}{{\left (\cos \left (x\right ) + 1\right )}^{3}} + \frac {3 \, a^{2} \sin \left (x\right )^{4}}{{\left (\cos \left (x\right ) + 1\right )}^{4}} + \frac {a^{2} \sin \left (x\right )^{5}}{{\left (\cos \left (x\right ) + 1\right )}^{5}}\right )}} - \frac {\frac {8 \, \sin \left (x\right )}{\cos \left (x\right ) + 1} - \frac {\sin \left (x\right )^{2}}{{\left (\cos \left (x\right ) + 1\right )}^{2}}}{8 \, a^{2}} + \frac {7 \, \log \left (\frac {\sin \left (x\right )}{\cos \left (x\right ) + 1}\right )}{2 \, a^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 220 vs.
\(2 (54) = 108\).
time = 0.36, size = 220, normalized size = 3.44 \begin {gather*} -\frac {64 \, \cos \left (x\right )^{4} + 86 \, \cos \left (x\right )^{3} - 54 \, \cos \left (x\right )^{2} + 21 \, {\left (\cos \left (x\right )^{4} - \cos \left (x\right )^{3} - 3 \, \cos \left (x\right )^{2} - {\left (\cos \left (x\right )^{3} + 2 \, \cos \left (x\right )^{2} - \cos \left (x\right ) - 2\right )} \sin \left (x\right ) + \cos \left (x\right ) + 2\right )} \log \left (\frac {1}{2} \, \cos \left (x\right ) + \frac {1}{2}\right ) - 21 \, {\left (\cos \left (x\right )^{4} - \cos \left (x\right )^{3} - 3 \, \cos \left (x\right )^{2} - {\left (\cos \left (x\right )^{3} + 2 \, \cos \left (x\right )^{2} - \cos \left (x\right ) - 2\right )} \sin \left (x\right ) + \cos \left (x\right ) + 2\right )} \log \left (-\frac {1}{2} \, \cos \left (x\right ) + \frac {1}{2}\right ) + 2 \, {\left (32 \, \cos \left (x\right )^{3} - 11 \, \cos \left (x\right )^{2} - 38 \, \cos \left (x\right ) + 2\right )} \sin \left (x\right ) - 80 \, \cos \left (x\right ) - 4}{12 \, {\left (a^{2} \cos \left (x\right )^{4} - a^{2} \cos \left (x\right )^{3} - 3 \, a^{2} \cos \left (x\right )^{2} + a^{2} \cos \left (x\right ) + 2 \, a^{2} - {\left (a^{2} \cos \left (x\right )^{3} + 2 \, a^{2} \cos \left (x\right )^{2} - a^{2} \cos \left (x\right ) - 2 \, a^{2}\right )} \sin \left (x\right )\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 )}}{\sin ^{2}{\left (x \right )} + 2 \sin {\left (x \right )} + 1}\, dx}{a^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.54, size = 93, normalized size = 1.45 \begin {gather*} \frac {7 \, \log \left ({\left | \tan \left (\frac {1}{2} \, x\right ) \right |}\right )}{2 \, a^{2}} + \frac {a^{2} \tan \left (\frac {1}{2} \, x\right )^{2} - 8 \, a^{2} \tan \left (\frac {1}{2} \, x\right )}{8 \, a^{4}} - \frac {42 \, \tan \left (\frac {1}{2} \, x\right )^{2} - 8 \, \tan \left (\frac {1}{2} \, x\right ) + 1}{8 \, a^{2} \tan \left (\frac {1}{2} \, x\right )^{2}} + \frac {2 \, {\left (12 \, \tan \left (\frac {1}{2} \, x\right )^{2} + 21 \, \tan \left (\frac {1}{2} \, x\right ) + 11\right )}}{3 \, a^{2} {\left (\tan \left (\frac {1}{2} \, x\right ) + 1\right )}^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 6.40, size = 111, normalized size = 1.73 \begin {gather*} \frac {36\,{\mathrm {tan}\left (\frac {x}{2}\right )}^4+\frac {135\,{\mathrm {tan}\left (\frac {x}{2}\right )}^3}{2}+\frac {239\,{\mathrm {tan}\left (\frac {x}{2}\right )}^2}{6}+\frac {5\,\mathrm {tan}\left (\frac {x}{2}\right )}{2}-\frac {1}{2}}{4\,a^2\,{\mathrm {tan}\left (\frac {x}{2}\right )}^5+12\,a^2\,{\mathrm {tan}\left (\frac {x}{2}\right )}^4+12\,a^2\,{\mathrm {tan}\left (\frac {x}{2}\right )}^3+4\,a^2\,{\mathrm {tan}\left (\frac {x}{2}\right )}^2}-\frac {\mathrm {tan}\left (\frac {x}{2}\right )}{a^2}+\frac {{\mathrm {tan}\left (\frac {x}{2}\right )}^2}{8\,a^2}+\frac {7\,\ln \left (\mathrm {tan}\left (\frac {x}{2}\right )\right )}{2\,a^2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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