Integrand size = 10, antiderivative size = 39 \[ \int \frac {1}{\left (a \cot ^2(x)\right )^{3/2}} \, dx=\frac {\cot (x) \log (\cos (x))}{a \sqrt {a \cot ^2(x)}}+\frac {\tan (x)}{2 a \sqrt {a \cot ^2(x)}} \]
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Time = 0.02 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.300, Rules used = {3739, 3554, 3556} \[ \int \frac {1}{\left (a \cot ^2(x)\right )^{3/2}} \, dx=\frac {\tan (x)}{2 a \sqrt {a \cot ^2(x)}}+\frac {\cot (x) \log (\cos (x))}{a \sqrt {a \cot ^2(x)}} \]
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Rule 3554
Rule 3556
Rule 3739
Rubi steps \begin{align*} \text {integral}& = \frac {\cot (x) \int \tan ^3(x) \, dx}{a \sqrt {a \cot ^2(x)}} \\ & = \frac {\tan (x)}{2 a \sqrt {a \cot ^2(x)}}-\frac {\cot (x) \int \tan (x) \, dx}{a \sqrt {a \cot ^2(x)}} \\ & = \frac {\cot (x) \log (\cos (x))}{a \sqrt {a \cot ^2(x)}}+\frac {\tan (x)}{2 a \sqrt {a \cot ^2(x)}} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.69 \[ \int \frac {1}{\left (a \cot ^2(x)\right )^{3/2}} \, dx=\frac {2 \cot (x) \log (\cos (x))+\tan (x)}{2 a \sqrt {a \cot ^2(x)}} \]
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Time = 0.03 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.92
method | result | size |
derivativedivides | \(-\frac {\cot \left (x \right ) \left (\ln \left (\cot \left (x \right )^{2}+1\right ) \cot \left (x \right )^{2}-2 \ln \left (\cot \left (x \right )\right ) \cot \left (x \right )^{2}-1\right )}{2 \left (a \cot \left (x \right )^{2}\right )^{\frac {3}{2}}}\) | \(36\) |
default | \(-\frac {\cot \left (x \right ) \left (\ln \left (\cot \left (x \right )^{2}+1\right ) \cot \left (x \right )^{2}-2 \ln \left (\cot \left (x \right )\right ) \cot \left (x \right )^{2}-1\right )}{2 \left (a \cot \left (x \right )^{2}\right )^{\frac {3}{2}}}\) | \(36\) |
risch | \(\frac {i {\mathrm e}^{4 i x} \ln \left ({\mathrm e}^{2 i x}+1\right )+{\mathrm e}^{4 i x} x +2 i {\mathrm e}^{2 i x} \ln \left ({\mathrm e}^{2 i x}+1\right )+2 i {\mathrm e}^{2 i x}+2 \,{\mathrm e}^{2 i x} x +i \ln \left ({\mathrm e}^{2 i x}+1\right )+x}{a \left ({\mathrm e}^{2 i x}+1\right ) \left ({\mathrm e}^{2 i x}-1\right ) \sqrt {-\frac {a \left ({\mathrm e}^{2 i x}+1\right )^{2}}{\left ({\mathrm e}^{2 i x}-1\right )^{2}}}}\) | \(114\) |
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Leaf count of result is larger than twice the leaf count of optimal. 74 vs. \(2 (33) = 66\).
Time = 0.27 (sec) , antiderivative size = 74, normalized size of antiderivative = 1.90 \[ \int \frac {1}{\left (a \cot ^2(x)\right )^{3/2}} \, dx=\frac {{\left ({\left (\cos \left (2 \, x\right ) + 1\right )} \log \left (\frac {1}{2} \, \cos \left (2 \, x\right ) + \frac {1}{2}\right ) \sin \left (2 \, x\right ) + 2 \, \sin \left (2 \, x\right )\right )} \sqrt {-\frac {a \cos \left (2 \, x\right ) + a}{\cos \left (2 \, x\right ) - 1}}}{2 \, {\left (a^{2} \cos \left (2 \, x\right )^{2} + 2 \, a^{2} \cos \left (2 \, x\right ) + a^{2}\right )}} \]
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\[ \int \frac {1}{\left (a \cot ^2(x)\right )^{3/2}} \, dx=\int \frac {1}{\left (a \cot ^{2}{\left (x \right )}\right )^{\frac {3}{2}}}\, dx \]
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none
Time = 0.44 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.56 \[ \int \frac {1}{\left (a \cot ^2(x)\right )^{3/2}} \, dx=\frac {\tan \left (x\right )^{2}}{2 \, a^{\frac {3}{2}}} - \frac {\log \left (\tan \left (x\right )^{2} + 1\right )}{2 \, a^{\frac {3}{2}}} \]
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none
Time = 0.25 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.18 \[ \int \frac {1}{\left (a \cot ^2(x)\right )^{3/2}} \, dx=-\frac {\frac {\mathrm {sgn}\left (\sin \left (x\right )\right )}{\sqrt {a}} - \frac {2 \, \sqrt {a} \log \left ({\left | \cos \left (x\right ) \right |}\right ) + \frac {\sqrt {a}}{\cos \left (x\right )^{2}}}{a \mathrm {sgn}\left (\cos \left (x\right )\right ) \mathrm {sgn}\left (\sin \left (x\right )\right )}}{2 \, a} \]
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Timed out. \[ \int \frac {1}{\left (a \cot ^2(x)\right )^{3/2}} \, dx=\int \frac {1}{{\left (a\,{\mathrm {cot}\left (x\right )}^2\right )}^{3/2}} \,d x \]
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