Integrand size = 5, antiderivative size = 8 \[ \int \cos (x) \cot (x) \, dx=-\text {arctanh}(\cos (x))+\cos (x) \]
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Time = 0.01 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.600, Rules used = {2672, 327, 212} \[ \int \cos (x) \cot (x) \, dx=\cos (x)-\text {arctanh}(\cos (x)) \]
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Rule 212
Rule 327
Rule 2672
Rubi steps \begin{align*} \text {integral}& = -\text {Subst}\left (\int \frac {x^2}{1-x^2} \, dx,x,\cos (x)\right ) \\ & = \cos (x)-\text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\cos (x)\right ) \\ & = -\text {arctanh}(\cos (x))+\cos (x) \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(19\) vs. \(2(8)=16\).
Time = 0.02 (sec) , antiderivative size = 19, normalized size of antiderivative = 2.38 \[ \int \cos (x) \cot (x) \, dx=\cos (x)-\log \left (\cos \left (\frac {x}{2}\right )\right )+\log \left (\sin \left (\frac {x}{2}\right )\right ) \]
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Time = 0.11 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.50
method | result | size |
default | \(\cos \left (x \right )+\ln \left (\csc \left (x \right )-\cot \left (x \right )\right )\) | \(12\) |
parallelrisch | \(\cos \left (x \right )+\ln \left (\csc \left (x \right )-\cot \left (x \right )\right )+1\) | \(13\) |
norman | \(\frac {2}{1+\tan ^{2}\left (\frac {x}{2}\right )}+\ln \left (\tan \left (\frac {x}{2}\right )\right )\) | \(19\) |
risch | \(\frac {{\mathrm e}^{i x}}{2}+\frac {{\mathrm e}^{-i x}}{2}+\ln \left ({\mathrm e}^{i x}-1\right )-\ln \left ({\mathrm e}^{i x}+1\right )\) | \(34\) |
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Leaf count of result is larger than twice the leaf count of optimal. 21 vs. \(2 (8) = 16\).
Time = 0.24 (sec) , antiderivative size = 21, normalized size of antiderivative = 2.62 \[ \int \cos (x) \cot (x) \, dx=\cos \left (x\right ) - \frac {1}{2} \, \log \left (\frac {1}{2} \, \cos \left (x\right ) + \frac {1}{2}\right ) + \frac {1}{2} \, \log \left (-\frac {1}{2} \, \cos \left (x\right ) + \frac {1}{2}\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 19 vs. \(2 (7) = 14\).
Time = 0.04 (sec) , antiderivative size = 19, normalized size of antiderivative = 2.38 \[ \int \cos (x) \cot (x) \, dx=\frac {\log {\left (\cos {\left (x \right )} - 1 \right )}}{2} - \frac {\log {\left (\cos {\left (x \right )} + 1 \right )}}{2} + \cos {\left (x \right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 17 vs. \(2 (8) = 16\).
Time = 0.18 (sec) , antiderivative size = 17, normalized size of antiderivative = 2.12 \[ \int \cos (x) \cot (x) \, dx=\cos \left (x\right ) - \frac {1}{2} \, \log \left (\cos \left (x\right ) + 1\right ) + \frac {1}{2} \, \log \left (\cos \left (x\right ) - 1\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 19 vs. \(2 (8) = 16\).
Time = 0.28 (sec) , antiderivative size = 19, normalized size of antiderivative = 2.38 \[ \int \cos (x) \cot (x) \, dx=\cos \left (x\right ) - \frac {1}{2} \, \log \left (\cos \left (x\right ) + 1\right ) + \frac {1}{2} \, \log \left (-\cos \left (x\right ) + 1\right ) \]
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Time = 0.18 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00 \[ \int \cos (x) \cot (x) \, dx=\ln \left (\mathrm {tan}\left (\frac {x}{2}\right )\right )+\cos \left (x\right ) \]
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