Optimal. Leaf size=60 \[ -\frac{1}{12} \sin ^4(3 x)+\frac{5}{6} \sin ^2(3 x)-\frac{1}{18} \csc ^6(3 x)+\frac{5}{12} \csc ^4(3 x)-\frac{5}{3} \csc ^2(3 x)-\frac{10}{3} \log (\sin (3 x)) \]
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Rubi [A] time = 0.126059, antiderivative size = 60, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 4, integrand size = 27, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.148, Rules used = {3175, 4360, 266, 43} \[ -\frac{1}{12} \sin ^4(3 x)+\frac{5}{6} \sin ^2(3 x)-\frac{1}{18} \csc ^6(3 x)+\frac{5}{12} \csc ^4(3 x)-\frac{5}{3} \csc ^2(3 x)-\frac{10}{3} \log (\sin (3 x)) \]
Antiderivative was successfully verified.
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Rule 3175
Rule 4360
Rule 266
Rule 43
Rubi steps
\begin{align*} \int \cot (3 x) \left (-1+\csc ^2(3 x)\right )^3 \left (1-\sin ^2(3 x)\right )^2 \, dx &=\int \cos ^4(3 x) \cot (3 x) \left (-1+\csc ^2(3 x)\right )^3 \, dx\\ &=\frac{1}{3} \operatorname{Subst}\left (\int \frac{\left (1-x^2\right )^5}{x^7} \, dx,x,\sin (3 x)\right )\\ &=\frac{1}{6} \operatorname{Subst}\left (\int \frac{(1-x)^5}{x^4} \, dx,x,\sin ^2(3 x)\right )\\ &=\frac{1}{6} \operatorname{Subst}\left (\int \left (5+\frac{1}{x^4}-\frac{5}{x^3}+\frac{10}{x^2}-\frac{10}{x}-x\right ) \, dx,x,\sin ^2(3 x)\right )\\ &=-\frac{5}{3} \csc ^2(3 x)+\frac{5}{12} \csc ^4(3 x)-\frac{1}{18} \csc ^6(3 x)-\frac{10}{3} \log (\sin (3 x))+\frac{5}{6} \sin ^2(3 x)-\frac{1}{12} \sin ^4(3 x)\\ \end{align*}
Mathematica [A] time = 0.123967, size = 52, normalized size = 0.87 \[ \frac{1}{36} \left (-3 \sin ^4(3 x)+30 \sin ^2(3 x)-2 \csc ^6(3 x)+15 \csc ^4(3 x)-60 \csc ^2(3 x)-120 \log (\sin (3 x))\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.056, size = 49, normalized size = 0.8 \begin{align*} -{\frac{ \left ( \sin \left ( 3\,x \right ) \right ) ^{4}}{12}}-{\frac{5\, \left ( \cos \left ( 3\,x \right ) \right ) ^{2}}{6}}-{\frac{10\,\ln \left ( \sin \left ( 3\,x \right ) \right ) }{3}}-{\frac{5}{3\, \left ( \sin \left ( 3\,x \right ) \right ) ^{2}}}+{\frac{5}{12\, \left ( \sin \left ( 3\,x \right ) \right ) ^{4}}}-{\frac{1}{18\, \left ( \sin \left ( 3\,x \right ) \right ) ^{6}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.944821, size = 70, normalized size = 1.17 \begin{align*} -\frac{1}{12} \, \sin \left (3 \, x\right )^{4} + \frac{5}{6} \, \sin \left (3 \, x\right )^{2} - \frac{60 \, \sin \left (3 \, x\right )^{4} - 15 \, \sin \left (3 \, x\right )^{2} + 2}{36 \, \sin \left (3 \, x\right )^{6}} - \frac{5}{3} \, \log \left (\sin \left (3 \, x\right )^{2}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.28558, size = 293, normalized size = 4.88 \begin{align*} -\frac{24 \, \cos \left (3 \, x\right )^{10} + 120 \, \cos \left (3 \, x\right )^{8} - 609 \, \cos \left (3 \, x\right )^{6} + 387 \, \cos \left (3 \, x\right )^{4} + 333 \, \cos \left (3 \, x\right )^{2} + 960 \,{\left (\cos \left (3 \, x\right )^{6} - 3 \, \cos \left (3 \, x\right )^{4} + 3 \, \cos \left (3 \, x\right )^{2} - 1\right )} \log \left (\frac{1}{2} \, \sin \left (3 \, x\right )\right ) - 271}{288 \,{\left (\cos \left (3 \, x\right )^{6} - 3 \, \cos \left (3 \, x\right )^{4} + 3 \, \cos \left (3 \, x\right )^{2} - 1\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.12859, size = 81, normalized size = 1.35 \begin{align*} -\frac{1}{12} \, \sin \left (3 \, x\right )^{4} + \frac{5}{6} \, \sin \left (3 \, x\right )^{2} + \frac{110 \, \sin \left (3 \, x\right )^{6} - 60 \, \sin \left (3 \, x\right )^{4} + 15 \, \sin \left (3 \, x\right )^{2} - 2}{36 \, \sin \left (3 \, x\right )^{6}} - \frac{5}{3} \, \log \left (\sin \left (3 \, x\right )^{2}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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