Integrand size = 11, antiderivative size = 92 \[ \int \sqrt {\sin ^4(x) \tan (x)} \, dx=\frac {3 \arctan \left (\frac {(1-\cot (x)) \csc ^2(x) \sqrt {\sin ^4(x) \tan (x)}}{\sqrt {2}}\right )}{4 \sqrt {2}}+\frac {3 \log \left (\cos (x)+\sin (x)-\sqrt {2} \cot (x) \csc (x) \sqrt {\sin ^4(x) \tan (x)}\right )}{4 \sqrt {2}}-\frac {1}{2} \cot (x) \sqrt {\sin ^4(x) \tan (x)} \]
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Leaf count is larger than twice the leaf count of optimal. \(204\) vs. \(2(92)=184\).
Time = 0.18 (sec) , antiderivative size = 204, normalized size of antiderivative = 2.22, number of steps used = 13, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.818, Rules used = {6851, 294, 335, 303, 1176, 631, 210, 1179, 642} \[ \int \sqrt {\sin ^4(x) \tan (x)} \, dx=-\frac {3 \sec ^2(x) \arctan \left (1-\sqrt {2} \sqrt {\tan (x)}\right ) \sqrt {\sin ^4(x) \tan (x)}}{4 \sqrt {2} \tan ^{\frac {5}{2}}(x)}+\frac {3 \sec ^2(x) \arctan \left (\sqrt {2} \sqrt {\tan (x)}+1\right ) \sqrt {\sin ^4(x) \tan (x)}}{4 \sqrt {2} \tan ^{\frac {5}{2}}(x)}-\frac {1}{2} \cot (x) \sqrt {\sin ^4(x) \tan (x)}+\frac {3 \sec ^2(x) \log \left (\tan (x)-\sqrt {2} \sqrt {\tan (x)}+1\right ) \sqrt {\sin ^4(x) \tan (x)}}{8 \sqrt {2} \tan ^{\frac {5}{2}}(x)}-\frac {3 \sec ^2(x) \log \left (\tan (x)+\sqrt {2} \sqrt {\tan (x)}+1\right ) \sqrt {\sin ^4(x) \tan (x)}}{8 \sqrt {2} \tan ^{\frac {5}{2}}(x)} \]
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Rule 210
Rule 294
Rule 303
Rule 335
Rule 631
Rule 642
Rule 1176
Rule 1179
Rule 6851
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int \frac {\sqrt {\frac {x^5}{\left (1+x^2\right )^2}}}{1+x^2} \, dx,x,\tan (x)\right ) \\ & = \frac {\left (\sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}\right ) \text {Subst}\left (\int \frac {x^{5/2}}{\left (1+x^2\right )^2} \, dx,x,\tan (x)\right )}{\tan ^{\frac {5}{2}}(x)} \\ & = -\frac {1}{2} \cot (x) \sqrt {\sin ^4(x) \tan (x)}+\frac {\left (3 \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}\right ) \text {Subst}\left (\int \frac {\sqrt {x}}{1+x^2} \, dx,x,\tan (x)\right )}{4 \tan ^{\frac {5}{2}}(x)} \\ & = -\frac {1}{2} \cot (x) \sqrt {\sin ^4(x) \tan (x)}+\frac {\left (3 \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}\right ) \text {Subst}\left (\int \frac {x^2}{1+x^4} \, dx,x,\sqrt {\tan (x)}\right )}{2 \tan ^{\frac {5}{2}}(x)} \\ & = -\frac {1}{2} \cot (x) \sqrt {\sin ^4(x) \tan (x)}-\frac {\left (3 \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}\right ) \text {Subst}\left (\int \frac {1-x^2}{1+x^4} \, dx,x,\sqrt {\tan (x)}\right )}{4 \tan ^{\frac {5}{2}}(x)}+\frac {\left (3 \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}\right ) \text {Subst}\left (\int \frac {1+x^2}{1+x^4} \, dx,x,\sqrt {\tan (x)}\right )}{4 \tan ^{\frac {5}{2}}(x)} \\ & = -\frac {1}{2} \cot (x) \sqrt {\sin ^4(x) \tan (x)}+\frac {\left (3 \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}\right ) \text {Subst}\left (\int \frac {1}{1-\sqrt {2} x+x^2} \, dx,x,\sqrt {\tan (x)}\right )}{8 \tan ^{\frac {5}{2}}(x)}+\frac {\left (3 \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}\right ) \text {Subst}\left (\int \frac {1}{1+\sqrt {2} x+x^2} \, dx,x,\sqrt {\tan (x)}\right )}{8 \tan ^{\frac {5}{2}}(x)}+\frac {\left (3 \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}\right ) \text {Subst}\left (\int \frac {\sqrt {2}+2 x}{-1-\sqrt {2} x-x^2} \, dx,x,\sqrt {\tan (x)}\right )}{8 \sqrt {2} \tan ^{\frac {5}{2}}(x)}+\frac {\left (3 \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}\right ) \text {Subst}\left (\int \frac {\sqrt {2}-2 x}{-1+\sqrt {2} x-x^2} \, dx,x,\sqrt {\tan (x)}\right )}{8 \sqrt {2} \tan ^{\frac {5}{2}}(x)} \\ & = -\frac {1}{2} \cot (x) \sqrt {\sin ^4(x) \tan (x)}+\frac {3 \log \left (1-\sqrt {2} \sqrt {\tan (x)}+\tan (x)\right ) \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}}{8 \sqrt {2} \tan ^{\frac {5}{2}}(x)}-\frac {3 \log \left (1+\sqrt {2} \sqrt {\tan (x)}+\tan (x)\right ) \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}}{8 \sqrt {2} \tan ^{\frac {5}{2}}(x)}+\frac {\left (3 \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\sqrt {2} \sqrt {\tan (x)}\right )}{4 \sqrt {2} \tan ^{\frac {5}{2}}(x)}-\frac {\left (3 \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\sqrt {2} \sqrt {\tan (x)}\right )}{4 \sqrt {2} \tan ^{\frac {5}{2}}(x)} \\ & = -\frac {1}{2} \cot (x) \sqrt {\sin ^4(x) \tan (x)}-\frac {3 \arctan \left (1-\sqrt {2} \sqrt {\tan (x)}\right ) \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}}{4 \sqrt {2} \tan ^{\frac {5}{2}}(x)}+\frac {3 \arctan \left (1+\sqrt {2} \sqrt {\tan (x)}\right ) \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}}{4 \sqrt {2} \tan ^{\frac {5}{2}}(x)}+\frac {3 \log \left (1-\sqrt {2} \sqrt {\tan (x)}+\tan (x)\right ) \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}}{8 \sqrt {2} \tan ^{\frac {5}{2}}(x)}-\frac {3 \log \left (1+\sqrt {2} \sqrt {\tan (x)}+\tan (x)\right ) \sec ^2(x) \sqrt {\sin ^4(x) \tan (x)}}{8 \sqrt {2} \tan ^{\frac {5}{2}}(x)} \\ \end{align*}
Time = 0.13 (sec) , antiderivative size = 66, normalized size of antiderivative = 0.72 \[ \int \sqrt {\sin ^4(x) \tan (x)} \, dx=-\frac {1}{8} \csc ^3(x) \left (3 \arcsin (\cos (x)-\sin (x))+3 \log \left (\cos (x)+\sin (x)+\sqrt {\sin (2 x)}\right )+2 \sin (x) \sqrt {\sin (2 x)}\right ) \sqrt {\sin (2 x)} \sqrt {\sin ^4(x) \tan (x)} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(298\) vs. \(2(73)=146\).
Time = 7.83 (sec) , antiderivative size = 299, normalized size of antiderivative = 3.25
method | result | size |
default | \(\frac {\left (4 \cos \left (x \right ) \sin \left (x \right ) \sqrt {2}\, \sqrt {-\frac {\cos \left (x \right ) \sin \left (x \right )}{\left (\cos \left (x \right )+1\right )^{2}}}+4 \sqrt {2}\, \sqrt {-\frac {\cos \left (x \right ) \sin \left (x \right )}{\left (\cos \left (x \right )+1\right )^{2}}}\, \sin \left (x \right )-3 \ln \left (-\frac {\cos \left (x \right ) \cot \left (x \right )-2 \cot \left (x \right )-2 \sin \left (x \right ) \sqrt {-\left (\cot ^{3}\left (x \right )\right )+3 \csc \left (x \right ) \left (\cot ^{2}\left (x \right )\right )-3 \cot \left (x \right ) \left (\csc ^{2}\left (x \right )\right )+\csc ^{3}\left (x \right )-\csc \left (x \right )+\cot \left (x \right )}-2 \cos \left (x \right )-\sin \left (x \right )+\csc \left (x \right )+2}{-1+\cos \left (x \right )}\right )+3 \ln \left (-\frac {\cos \left (x \right ) \cot \left (x \right )-2 \cot \left (x \right )+2 \sin \left (x \right ) \sqrt {-\left (\cot ^{3}\left (x \right )\right )+3 \csc \left (x \right ) \left (\cot ^{2}\left (x \right )\right )-3 \cot \left (x \right ) \left (\csc ^{2}\left (x \right )\right )+\csc ^{3}\left (x \right )-\csc \left (x \right )+\cot \left (x \right )}-2 \cos \left (x \right )-\sin \left (x \right )+\csc \left (x \right )+2}{-1+\cos \left (x \right )}\right )+6 \arctan \left (\frac {-\sqrt {2}\, \sqrt {-\frac {\cos \left (x \right ) \sin \left (x \right )}{\left (\cos \left (x \right )+1\right )^{2}}}\, \sin \left (x \right )+\cos \left (x \right )-1}{-1+\cos \left (x \right )}\right )-6 \arctan \left (\frac {\sqrt {2}\, \sqrt {-\frac {\cos \left (x \right ) \sin \left (x \right )}{\left (\cos \left (x \right )+1\right )^{2}}}\, \sin \left (x \right )+\cos \left (x \right )-1}{-1+\cos \left (x \right )}\right )\right ) \sqrt {\left (\sin ^{4}\left (x \right )\right ) \tan \left (x \right )}\, \cos \left (x \right ) \sqrt {32}}{64 \left (-1+\cos \left (x \right )\right ) \left (\cos \left (x \right )+1\right )^{2} \sqrt {-\frac {\cos \left (x \right ) \sin \left (x \right )}{\left (\cos \left (x \right )+1\right )^{2}}}}\) | \(299\) |
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Result contains complex when optimal does not.
Time = 0.42 (sec) , antiderivative size = 628, normalized size of antiderivative = 6.83 \[ \int \sqrt {\sin ^4(x) \tan (x)} \, dx=\text {Too large to display} \]
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\[ \int \sqrt {\sin ^4(x) \tan (x)} \, dx=\int \sqrt {\frac {\sin ^{5}{\left (x \right )}}{\cos {\left (x \right )}}}\, dx \]
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\[ \int \sqrt {\sin ^4(x) \tan (x)} \, dx=\int { \sqrt {\frac {\sin \left (x\right )^{5}}{\cos \left (x\right )}} \,d x } \]
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\[ \int \sqrt {\sin ^4(x) \tan (x)} \, dx=\int { \sqrt {\frac {\sin \left (x\right )^{5}}{\cos \left (x\right )}} \,d x } \]
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Timed out. \[ \int \sqrt {\sin ^4(x) \tan (x)} \, dx=\int \sqrt {\frac {{\sin \left (x\right )}^5}{\cos \left (x\right )}} \,d x \]
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