Integrand size = 7, antiderivative size = 45 \[ \int \csc (3 x) \sin (x) \, dx=-\frac {\log \left (\sqrt {3} \cos (x)-\sin (x)\right )}{2 \sqrt {3}}+\frac {\log \left (\sqrt {3} \cos (x)+\sin (x)\right )}{2 \sqrt {3}} \]
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Time = 0.05 (sec) , antiderivative size = 45, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {212} \[ \int \csc (3 x) \sin (x) \, dx=\frac {\log \left (\sin (x)+\sqrt {3} \cos (x)\right )}{2 \sqrt {3}}-\frac {\log \left (\sqrt {3} \cos (x)-\sin (x)\right )}{2 \sqrt {3}} \]
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Rule 212
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int \frac {1}{3-x^2} \, dx,x,\tan (x)\right ) \\ & = -\frac {\log \left (\sqrt {3} \cos (x)-\sin (x)\right )}{2 \sqrt {3}}+\frac {\log \left (\sqrt {3} \cos (x)+\sin (x)\right )}{2 \sqrt {3}} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.33 \[ \int \csc (3 x) \sin (x) \, dx=\frac {\text {arctanh}\left (\frac {\tan (x)}{\sqrt {3}}\right )}{\sqrt {3}} \]
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Time = 0.62 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.31
method | result | size |
default | \(\frac {\sqrt {3}\, \operatorname {arctanh}\left (\frac {\tan \left (x \right ) \sqrt {3}}{3}\right )}{3}\) | \(14\) |
risch | \(\frac {\sqrt {3}\, \ln \left ({\mathrm e}^{2 i x}+\frac {1}{2}+\frac {i \sqrt {3}}{2}\right )}{6}-\frac {\sqrt {3}\, \ln \left ({\mathrm e}^{2 i x}+\frac {1}{2}-\frac {i \sqrt {3}}{2}\right )}{6}\) | \(40\) |
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Time = 0.26 (sec) , antiderivative size = 58, normalized size of antiderivative = 1.29 \[ \int \csc (3 x) \sin (x) \, dx=\frac {1}{12} \, \sqrt {3} \log \left (-\frac {8 \, \cos \left (x\right )^{4} - 16 \, \cos \left (x\right )^{2} - 4 \, {\left (2 \, \sqrt {3} \cos \left (x\right )^{3} + \sqrt {3} \cos \left (x\right )\right )} \sin \left (x\right ) - 1}{16 \, \cos \left (x\right )^{4} - 8 \, \cos \left (x\right )^{2} + 1}\right ) \]
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Time = 0.80 (sec) , antiderivative size = 76, normalized size of antiderivative = 1.69 \[ \int \csc (3 x) \sin (x) \, dx=\frac {\sqrt {3} \log {\left (\tan {\left (\frac {x}{2} \right )} - \sqrt {3} \right )}}{6} - \frac {\sqrt {3} \log {\left (\tan {\left (\frac {x}{2} \right )} - \frac {\sqrt {3}}{3} \right )}}{6} + \frac {\sqrt {3} \log {\left (\tan {\left (\frac {x}{2} \right )} + \frac {\sqrt {3}}{3} \right )}}{6} - \frac {\sqrt {3} \log {\left (\tan {\left (\frac {x}{2} \right )} + \sqrt {3} \right )}}{6} \]
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Leaf count of result is larger than twice the leaf count of optimal. 125 vs. \(2 (33) = 66\).
Time = 0.33 (sec) , antiderivative size = 125, normalized size of antiderivative = 2.78 \[ \int \csc (3 x) \sin (x) \, dx=-\frac {1}{12} \, \sqrt {3} \log \left (\frac {4}{3} \, \cos \left (x\right )^{2} + \frac {4}{3} \, \sin \left (x\right )^{2} + \frac {4}{3} \, \sqrt {3} \sin \left (x\right ) + \frac {4}{3} \, \cos \left (x\right ) + \frac {4}{3}\right ) + \frac {1}{12} \, \sqrt {3} \log \left (\frac {4}{3} \, \cos \left (x\right )^{2} + \frac {4}{3} \, \sin \left (x\right )^{2} + \frac {4}{3} \, \sqrt {3} \sin \left (x\right ) - \frac {4}{3} \, \cos \left (x\right ) + \frac {4}{3}\right ) + \frac {1}{12} \, \sqrt {3} \log \left (\frac {4}{3} \, \cos \left (x\right )^{2} + \frac {4}{3} \, \sin \left (x\right )^{2} - \frac {4}{3} \, \sqrt {3} \sin \left (x\right ) + \frac {4}{3} \, \cos \left (x\right ) + \frac {4}{3}\right ) - \frac {1}{12} \, \sqrt {3} \log \left (\frac {4}{3} \, \cos \left (x\right )^{2} + \frac {4}{3} \, \sin \left (x\right )^{2} - \frac {4}{3} \, \sqrt {3} \sin \left (x\right ) - \frac {4}{3} \, \cos \left (x\right ) + \frac {4}{3}\right ) \]
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Time = 0.28 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.69 \[ \int \csc (3 x) \sin (x) \, dx=-\frac {1}{6} \, \sqrt {3} \log \left (\frac {{\left | -2 \, \sqrt {3} + 2 \, \tan \left (x\right ) \right |}}{{\left | 2 \, \sqrt {3} + 2 \, \tan \left (x\right ) \right |}}\right ) \]
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Time = 28.31 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.38 \[ \int \csc (3 x) \sin (x) \, dx=\frac {\sqrt {3}\,\mathrm {atanh}\left (\frac {\sqrt {3}\,\sin \left (x\right )}{3\,\cos \left (x\right )}\right )}{3} \]
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