Integrand size = 22, antiderivative size = 94 \[ \int \frac {-2 \cot ^2(x)+\sin (x)}{\left (1+5 \tan ^2(x)\right )^{3/2}} \, dx=-\frac {1}{4} \text {arctanh}\left (\frac {2 \tan (x)}{\sqrt {1+5 \tan ^2(x)}}\right )-\frac {\cos (x)}{4 \sqrt {1+5 \tan ^2(x)}}-\frac {5 \cot (x)}{2 \sqrt {1+5 \tan ^2(x)}}-\frac {1}{8} \cos (x) \sqrt {1+5 \tan ^2(x)}+\frac {9}{2} \cot (x) \sqrt {1+5 \tan ^2(x)} \]
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Time = 0.14 (sec) , antiderivative size = 94, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.455, Rules used = {4462, 12, 3751, 483, 597, 385, 212, 3745, 277, 197} \[ \int \frac {-2 \cot ^2(x)+\sin (x)}{\left (1+5 \tan ^2(x)\right )^{3/2}} \, dx=-\frac {1}{4} \text {arctanh}\left (\frac {2 \tan (x)}{\sqrt {5 \tan ^2(x)+1}}\right )-\frac {5 \sec (x)}{8 \sqrt {5 \sec ^2(x)-4}}+\frac {\cos (x)}{4 \sqrt {5 \sec ^2(x)-4}}+\frac {9}{2} \sqrt {5 \tan ^2(x)+1} \cot (x)-\frac {5 \cot (x)}{2 \sqrt {5 \tan ^2(x)+1}} \]
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Rule 12
Rule 197
Rule 212
Rule 277
Rule 385
Rule 483
Rule 597
Rule 3745
Rule 3751
Rule 4462
Rubi steps \begin{align*} \text {integral}& = \int -\frac {2 \cot ^2(x)}{\left (1+5 \tan ^2(x)\right )^{3/2}} \, dx+\int \frac {\sin (x)}{\left (1+5 \tan ^2(x)\right )^{3/2}} \, dx \\ & = -\left (2 \int \frac {\cot ^2(x)}{\left (1+5 \tan ^2(x)\right )^{3/2}} \, dx\right )+\text {Subst}\left (\int \frac {1}{x^2 \left (-4+5 x^2\right )^{3/2}} \, dx,x,\sec (x)\right ) \\ & = \frac {\cos (x)}{4 \sqrt {-4+5 \sec ^2(x)}}-2 \text {Subst}\left (\int \frac {1}{x^2 \left (1+x^2\right ) \left (1+5 x^2\right )^{3/2}} \, dx,x,\tan (x)\right )+\frac {5}{2} \text {Subst}\left (\int \frac {1}{\left (-4+5 x^2\right )^{3/2}} \, dx,x,\sec (x)\right ) \\ & = \frac {\cos (x)}{4 \sqrt {-4+5 \sec ^2(x)}}-\frac {5 \sec (x)}{8 \sqrt {-4+5 \sec ^2(x)}}-\frac {5 \cot (x)}{2 \sqrt {1+5 \tan ^2(x)}}+\frac {1}{2} \text {Subst}\left (\int \frac {-9-10 x^2}{x^2 \left (1+x^2\right ) \sqrt {1+5 x^2}} \, dx,x,\tan (x)\right ) \\ & = \frac {\cos (x)}{4 \sqrt {-4+5 \sec ^2(x)}}-\frac {5 \sec (x)}{8 \sqrt {-4+5 \sec ^2(x)}}-\frac {5 \cot (x)}{2 \sqrt {1+5 \tan ^2(x)}}+\frac {9}{2} \cot (x) \sqrt {1+5 \tan ^2(x)}-\frac {1}{2} \text {Subst}\left (\int \frac {1}{\left (1+x^2\right ) \sqrt {1+5 x^2}} \, dx,x,\tan (x)\right ) \\ & = \frac {\cos (x)}{4 \sqrt {-4+5 \sec ^2(x)}}-\frac {5 \sec (x)}{8 \sqrt {-4+5 \sec ^2(x)}}-\frac {5 \cot (x)}{2 \sqrt {1+5 \tan ^2(x)}}+\frac {9}{2} \cot (x) \sqrt {1+5 \tan ^2(x)}-\frac {1}{2} \text {Subst}\left (\int \frac {1}{1-4 x^2} \, dx,x,\frac {\tan (x)}{\sqrt {1+5 \tan ^2(x)}}\right ) \\ & = -\frac {1}{4} \text {arctanh}\left (\frac {2 \tan (x)}{\sqrt {1+5 \tan ^2(x)}}\right )+\frac {\cos (x)}{4 \sqrt {-4+5 \sec ^2(x)}}-\frac {5 \sec (x)}{8 \sqrt {-4+5 \sec ^2(x)}}-\frac {5 \cot (x)}{2 \sqrt {1+5 \tan ^2(x)}}+\frac {9}{2} \cot (x) \sqrt {1+5 \tan ^2(x)} \\ \end{align*}
Time = 0.60 (sec) , antiderivative size = 131, normalized size of antiderivative = 1.39 \[ \int \frac {-2 \cot ^2(x)+\sin (x)}{\left (1+5 \tan ^2(x)\right )^{3/2}} \, dx=-\frac {(-3+2 \cos (2 x))^{3/2} \left (-1+2 \cot ^2(x) \csc (x)\right ) \sin ^2(x) \left (-2 \text {arcsinh}(2 \sin (x)) \left (4+\csc ^2(x)\right )+\left (-2+164 \csc (x)-3 \csc ^2(x)+16 \csc ^3(x)\right ) \sqrt {1+4 \sin ^2(x)}\right ) \tan (x)}{2 \sqrt {-(3-2 \cos (2 x))^2} \left (5+\cot ^2(x)\right ) (4+4 \cos (2 x)-3 \sin (x)+\sin (3 x)) \sqrt {1+5 \tan ^2(x)}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(150\) vs. \(2(74)=148\).
Time = 4.21 (sec) , antiderivative size = 151, normalized size of antiderivative = 1.61
method | result | size |
default | \(-\frac {\left (\sec ^{3}\left (x \right )\right ) \csc \left (x \right ) \left (4 \left (\cos ^{2}\left (x \right )\right )-5\right ) \left (-2 \cos \left (x \right ) \sin \left (x \right ) \operatorname {arctanh}\left (\frac {2 \sin \left (x \right )}{\left (\cos \left (x \right )+1\right ) \sqrt {-\frac {4 \left (\cos ^{2}\left (x \right )\right )-5}{\left (\cos \left (x \right )+1\right )^{2}}}}\right ) \sqrt {-\frac {4 \left (\cos ^{2}\left (x \right )\right )-5}{\left (\cos \left (x \right )+1\right )^{2}}}+2 \left (\cos ^{2}\left (x \right )\right ) \sin \left (x \right )-2 \sin \left (x \right ) \operatorname {arctanh}\left (\frac {2 \sin \left (x \right )}{\left (\cos \left (x \right )+1\right ) \sqrt {-\frac {4 \left (\cos ^{2}\left (x \right )\right )-5}{\left (\cos \left (x \right )+1\right )^{2}}}}\right ) \sqrt {-\frac {4 \left (\cos ^{2}\left (x \right )\right )-5}{\left (\cos \left (x \right )+1\right )^{2}}}-164 \left (\cos ^{2}\left (x \right )\right )-5 \sin \left (x \right )+180\right )}{8 {\left (5 \left (\sec ^{2}\left (x \right )\right )-4\right )}^{\frac {3}{2}}}\) | \(151\) |
parts | \(-\frac {8 \cos \left (x \right )-30 \sec \left (x \right )+25 \left (\sec ^{3}\left (x \right )\right )}{8 {\left (5 \left (\sec ^{2}\left (x \right )\right )-4\right )}^{\frac {3}{2}} \left (-2+\sqrt {5}\right )^{2} \left (2+\sqrt {5}\right )^{2}}+\frac {\left (\sec ^{3}\left (x \right )\right ) \csc \left (x \right ) \left (4 \left (\cos ^{2}\left (x \right )\right )-5\right ) \left (\cos \left (x \right ) \sin \left (x \right ) \operatorname {arctanh}\left (\frac {2 \sin \left (x \right )}{\left (\cos \left (x \right )+1\right ) \sqrt {-\frac {4 \left (\cos ^{2}\left (x \right )\right )-5}{\left (\cos \left (x \right )+1\right )^{2}}}}\right ) \sqrt {-\frac {4 \left (\cos ^{2}\left (x \right )\right )-5}{\left (\cos \left (x \right )+1\right )^{2}}}+\sin \left (x \right ) \operatorname {arctanh}\left (\frac {2 \sin \left (x \right )}{\left (\cos \left (x \right )+1\right ) \sqrt {-\frac {4 \left (\cos ^{2}\left (x \right )\right )-5}{\left (\cos \left (x \right )+1\right )^{2}}}}\right ) \sqrt {-\frac {4 \left (\cos ^{2}\left (x \right )\right )-5}{\left (\cos \left (x \right )+1\right )^{2}}}+82 \left (\cos ^{2}\left (x \right )\right )-90\right )}{4 {\left (5 \left (\sec ^{2}\left (x \right )\right )-4\right )}^{\frac {3}{2}}}\) | \(179\) |
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Time = 0.33 (sec) , antiderivative size = 97, normalized size of antiderivative = 1.03 \[ \int \frac {-2 \cot ^2(x)+\sin (x)}{\left (1+5 \tan ^2(x)\right )^{3/2}} \, dx=\frac {2 \, {\left (4 \, \cos \left (x\right )^{2} - 5\right )} \log \left (\sqrt {-\frac {4 \, \cos \left (x\right )^{2} - 5}{\cos \left (x\right )^{2}}} \cos \left (x\right ) - 2 \, \sin \left (x\right )\right ) \sin \left (x\right ) + {\left (164 \, \cos \left (x\right )^{3} - {\left (2 \, \cos \left (x\right )^{3} - 5 \, \cos \left (x\right )\right )} \sin \left (x\right ) - 180 \, \cos \left (x\right )\right )} \sqrt {-\frac {4 \, \cos \left (x\right )^{2} - 5}{\cos \left (x\right )^{2}}}}{8 \, {\left (4 \, \cos \left (x\right )^{2} - 5\right )} \sin \left (x\right )} \]
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\[ \int \frac {-2 \cot ^2(x)+\sin (x)}{\left (1+5 \tan ^2(x)\right )^{3/2}} \, dx=- \int \left (- \frac {\sin {\left (x \right )}}{5 \sqrt {5 \tan ^{2}{\left (x \right )} + 1} \tan ^{2}{\left (x \right )} + \sqrt {5 \tan ^{2}{\left (x \right )} + 1}}\right )\, dx - \int \frac {2 \cot ^{2}{\left (x \right )}}{5 \sqrt {5 \tan ^{2}{\left (x \right )} + 1} \tan ^{2}{\left (x \right )} + \sqrt {5 \tan ^{2}{\left (x \right )} + 1}}\, dx \]
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Timed out. \[ \int \frac {-2 \cot ^2(x)+\sin (x)}{\left (1+5 \tan ^2(x)\right )^{3/2}} \, dx=\text {Timed out} \]
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\[ \int \frac {-2 \cot ^2(x)+\sin (x)}{\left (1+5 \tan ^2(x)\right )^{3/2}} \, dx=\int { -\frac {2 \, \cot \left (x\right )^{2} - \sin \left (x\right )}{{\left (5 \, \tan \left (x\right )^{2} + 1\right )}^{\frac {3}{2}}} \,d x } \]
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Timed out. \[ \int \frac {-2 \cot ^2(x)+\sin (x)}{\left (1+5 \tan ^2(x)\right )^{3/2}} \, dx=\int \frac {\sin \left (x\right )-2\,{\mathrm {cot}\left (x\right )}^2}{{\left (5\,{\mathrm {tan}\left (x\right )}^2+1\right )}^{3/2}} \,d x \]
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