Integrand size = 10, antiderivative size = 22 \[ \int \left (1+\cot ^2(x)\right )^{3/2} \, dx=-\frac {1}{2} \text {arcsinh}(\cot (x))-\frac {1}{2} \cot (x) \sqrt {\csc ^2(x)} \]
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Time = 0.02 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.400, Rules used = {3738, 4207, 201, 221} \[ \int \left (1+\cot ^2(x)\right )^{3/2} \, dx=-\frac {1}{2} \text {arcsinh}(\cot (x))-\frac {1}{2} \cot (x) \sqrt {\csc ^2(x)} \]
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Rule 201
Rule 221
Rule 3738
Rule 4207
Rubi steps \begin{align*} \text {integral}& = \int \csc ^2(x)^{3/2} \, dx \\ & = -\text {Subst}\left (\int \sqrt {1+x^2} \, dx,x,\cot (x)\right ) \\ & = -\frac {1}{2} \cot (x) \sqrt {\csc ^2(x)}-\frac {1}{2} \text {Subst}\left (\int \frac {1}{\sqrt {1+x^2}} \, dx,x,\cot (x)\right ) \\ & = -\frac {1}{2} \text {arcsinh}(\cot (x))-\frac {1}{2} \cot (x) \sqrt {\csc ^2(x)} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(51\) vs. \(2(22)=44\).
Time = 0.13 (sec) , antiderivative size = 51, normalized size of antiderivative = 2.32 \[ \int \left (1+\cot ^2(x)\right )^{3/2} \, dx=\frac {1}{8} \sqrt {\csc ^2(x)} \left (-\csc ^2\left (\frac {x}{2}\right )-4 \log \left (\cos \left (\frac {x}{2}\right )\right )+4 \log \left (\sin \left (\frac {x}{2}\right )\right )+\sec ^2\left (\frac {x}{2}\right )\right ) \sin (x) \]
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Time = 0.10 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.86
method | result | size |
derivativedivides | \(-\frac {\cot \left (x \right ) \sqrt {\cot \left (x \right )^{2}+1}}{2}-\frac {\operatorname {arcsinh}\left (\cot \left (x \right )\right )}{2}\) | \(19\) |
default | \(-\frac {\cot \left (x \right ) \sqrt {\cot \left (x \right )^{2}+1}}{2}-\frac {\operatorname {arcsinh}\left (\cot \left (x \right )\right )}{2}\) | \(19\) |
risch | \(-\frac {i \sqrt {-\frac {{\mathrm e}^{2 i x}}{\left ({\mathrm e}^{2 i x}-1\right )^{2}}}\, \left ({\mathrm e}^{2 i x}+1\right )}{{\mathrm e}^{2 i x}-1}-\sqrt {-\frac {{\mathrm e}^{2 i x}}{\left ({\mathrm e}^{2 i x}-1\right )^{2}}}\, \ln \left ({\mathrm e}^{i x}+1\right ) \sin \left (x \right )+\sqrt {-\frac {{\mathrm e}^{2 i x}}{\left ({\mathrm e}^{2 i x}-1\right )^{2}}}\, \ln \left ({\mathrm e}^{i x}-1\right ) \sin \left (x \right )\) | \(98\) |
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Leaf count of result is larger than twice the leaf count of optimal. 91 vs. \(2 (16) = 32\).
Time = 0.27 (sec) , antiderivative size = 91, normalized size of antiderivative = 4.14 \[ \int \left (1+\cot ^2(x)\right )^{3/2} \, dx=-\frac {2 \, \sqrt {2} \sqrt {-\frac {1}{\cos \left (2 \, x\right ) - 1}} {\left (\cos \left (2 \, x\right ) + 1\right )} + \log \left (\frac {1}{2} \, \sqrt {2} \sqrt {-\frac {1}{\cos \left (2 \, x\right ) - 1}} \sin \left (2 \, x\right ) + 1\right ) \sin \left (2 \, x\right ) - \log \left (-\frac {1}{2} \, \sqrt {2} \sqrt {-\frac {1}{\cos \left (2 \, x\right ) - 1}} \sin \left (2 \, x\right ) + 1\right ) \sin \left (2 \, x\right )}{4 \, \sin \left (2 \, x\right )} \]
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\[ \int \left (1+\cot ^2(x)\right )^{3/2} \, dx=\int \left (\cot ^{2}{\left (x \right )} + 1\right )^{\frac {3}{2}}\, dx \]
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Leaf count of result is larger than twice the leaf count of optimal. 300 vs. \(2 (16) = 32\).
Time = 0.37 (sec) , antiderivative size = 300, normalized size of antiderivative = 13.64 \[ \int \left (1+\cot ^2(x)\right )^{3/2} \, dx=-\frac {4 \, {\left (\cos \left (3 \, x\right ) + \cos \left (x\right )\right )} \cos \left (4 \, x\right ) - 4 \, {\left (2 \, \cos \left (2 \, x\right ) - 1\right )} \cos \left (3 \, x\right ) - 8 \, \cos \left (2 \, x\right ) \cos \left (x\right ) + {\left (2 \, {\left (2 \, \cos \left (2 \, x\right ) - 1\right )} \cos \left (4 \, x\right ) - \cos \left (4 \, x\right )^{2} - 4 \, \cos \left (2 \, x\right )^{2} - \sin \left (4 \, x\right )^{2} + 4 \, \sin \left (4 \, x\right ) \sin \left (2 \, x\right ) - 4 \, \sin \left (2 \, x\right )^{2} + 4 \, \cos \left (2 \, x\right ) - 1\right )} \log \left (\cos \left (x\right )^{2} + \sin \left (x\right )^{2} + 2 \, \cos \left (x\right ) + 1\right ) - {\left (2 \, {\left (2 \, \cos \left (2 \, x\right ) - 1\right )} \cos \left (4 \, x\right ) - \cos \left (4 \, x\right )^{2} - 4 \, \cos \left (2 \, x\right )^{2} - \sin \left (4 \, x\right )^{2} + 4 \, \sin \left (4 \, x\right ) \sin \left (2 \, x\right ) - 4 \, \sin \left (2 \, x\right )^{2} + 4 \, \cos \left (2 \, x\right ) - 1\right )} \log \left (\cos \left (x\right )^{2} + \sin \left (x\right )^{2} - 2 \, \cos \left (x\right ) + 1\right ) + 4 \, {\left (\sin \left (3 \, x\right ) + \sin \left (x\right )\right )} \sin \left (4 \, x\right ) - 8 \, \sin \left (3 \, x\right ) \sin \left (2 \, x\right ) - 8 \, \sin \left (2 \, x\right ) \sin \left (x\right ) + 4 \, \cos \left (x\right )}{4 \, {\left (2 \, {\left (2 \, \cos \left (2 \, x\right ) - 1\right )} \cos \left (4 \, x\right ) - \cos \left (4 \, x\right )^{2} - 4 \, \cos \left (2 \, x\right )^{2} - \sin \left (4 \, x\right )^{2} + 4 \, \sin \left (4 \, x\right ) \sin \left (2 \, x\right ) - 4 \, \sin \left (2 \, x\right )^{2} + 4 \, \cos \left (2 \, x\right ) - 1\right )}} \]
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Time = 0.27 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.45 \[ \int \left (1+\cot ^2(x)\right )^{3/2} \, dx=\frac {1}{4} \, {\left (\frac {2 \, \cos \left (x\right )}{\cos \left (x\right )^{2} - 1} - \log \left (\cos \left (x\right ) + 1\right ) + \log \left (-\cos \left (x\right ) + 1\right )\right )} \mathrm {sgn}\left (\sin \left (x\right )\right ) \]
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Time = 13.18 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.82 \[ \int \left (1+\cot ^2(x)\right )^{3/2} \, dx=-\frac {\mathrm {asinh}\left (\mathrm {cot}\left (x\right )\right )}{2}-\frac {\mathrm {cot}\left (x\right )\,\sqrt {{\mathrm {cot}\left (x\right )}^2+1}}{2} \]
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