Integrand size = 21, antiderivative size = 103 \[ \int \frac {\cot (e+f x)}{\left (a+b \tan ^2(e+f x)\right )^2} \, dx=\frac {\log (\cos (e+f x))}{(a-b)^2 f}+\frac {\log (\tan (e+f x))}{a^2 f}+\frac {(2 a-b) b \log \left (a+b \tan ^2(e+f x)\right )}{2 a^2 (a-b)^2 f}-\frac {b}{2 a (a-b) f \left (a+b \tan ^2(e+f x)\right )} \]
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Time = 0.14 (sec) , antiderivative size = 103, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {3751, 457, 84} \[ \int \frac {\cot (e+f x)}{\left (a+b \tan ^2(e+f x)\right )^2} \, dx=\frac {b (2 a-b) \log \left (a+b \tan ^2(e+f x)\right )}{2 a^2 f (a-b)^2}+\frac {\log (\tan (e+f x))}{a^2 f}-\frac {b}{2 a f (a-b) \left (a+b \tan ^2(e+f x)\right )}+\frac {\log (\cos (e+f x))}{f (a-b)^2} \]
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Rule 84
Rule 457
Rule 3751
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {1}{x \left (1+x^2\right ) \left (a+b x^2\right )^2} \, dx,x,\tan (e+f x)\right )}{f} \\ & = \frac {\text {Subst}\left (\int \frac {1}{x (1+x) (a+b x)^2} \, dx,x,\tan ^2(e+f x)\right )}{2 f} \\ & = \frac {\text {Subst}\left (\int \left (\frac {1}{a^2 x}-\frac {1}{(a-b)^2 (1+x)}+\frac {b^2}{a (a-b) (a+b x)^2}+\frac {(2 a-b) b^2}{a^2 (a-b)^2 (a+b x)}\right ) \, dx,x,\tan ^2(e+f x)\right )}{2 f} \\ & = \frac {\log (\cos (e+f x))}{(a-b)^2 f}+\frac {\log (\tan (e+f x))}{a^2 f}+\frac {(2 a-b) b \log \left (a+b \tan ^2(e+f x)\right )}{2 a^2 (a-b)^2 f}-\frac {b}{2 a (a-b) f \left (a+b \tan ^2(e+f x)\right )} \\ \end{align*}
Time = 2.05 (sec) , antiderivative size = 90, normalized size of antiderivative = 0.87 \[ \int \frac {\cot (e+f x)}{\left (a+b \tan ^2(e+f x)\right )^2} \, dx=\frac {\frac {2 \log (\cos (e+f x))}{(a-b)^2}+\frac {2 \log (\tan (e+f x))+\frac {b \left ((2 a-b) \log \left (a+b \tan ^2(e+f x)\right )+\frac {a (-a+b)}{a+b \tan ^2(e+f x)}\right )}{(a-b)^2}}{a^2}}{2 f} \]
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Time = 0.24 (sec) , antiderivative size = 102, normalized size of antiderivative = 0.99
method | result | size |
derivativedivides | \(\frac {-\frac {\ln \left (1+\tan \left (f x +e \right )^{2}\right )}{2 \left (a -b \right )^{2}}+\frac {b^{2} \left (\frac {\left (2 a -b \right ) \ln \left (a +b \tan \left (f x +e \right )^{2}\right )}{b}-\frac {a \left (a -b \right )}{b \left (a +b \tan \left (f x +e \right )^{2}\right )}\right )}{2 a^{2} \left (a -b \right )^{2}}+\frac {\ln \left (\tan \left (f x +e \right )\right )}{a^{2}}}{f}\) | \(102\) |
default | \(\frac {-\frac {\ln \left (1+\tan \left (f x +e \right )^{2}\right )}{2 \left (a -b \right )^{2}}+\frac {b^{2} \left (\frac {\left (2 a -b \right ) \ln \left (a +b \tan \left (f x +e \right )^{2}\right )}{b}-\frac {a \left (a -b \right )}{b \left (a +b \tan \left (f x +e \right )^{2}\right )}\right )}{2 a^{2} \left (a -b \right )^{2}}+\frac {\ln \left (\tan \left (f x +e \right )\right )}{a^{2}}}{f}\) | \(102\) |
norman | \(\frac {b^{2} \tan \left (f x +e \right )^{2}}{2 a^{2} f \left (a -b \right ) \left (a +b \tan \left (f x +e \right )^{2}\right )}+\frac {\ln \left (\tan \left (f x +e \right )\right )}{a^{2} f}-\frac {\ln \left (1+\tan \left (f x +e \right )^{2}\right )}{2 f \left (a^{2}-2 a b +b^{2}\right )}+\frac {b \left (2 a -b \right ) \ln \left (a +b \tan \left (f x +e \right )^{2}\right )}{2 a^{2} f \left (a^{2}-2 a b +b^{2}\right )}\) | \(127\) |
parallelrisch | \(\frac {2 \left (a +b \tan \left (f x +e \right )^{2}\right ) \left (a -\frac {b}{2}\right ) b \ln \left (a +b \tan \left (f x +e \right )^{2}\right )+\left (-\tan \left (f x +e \right )^{2} a^{2} b -a^{3}\right ) \ln \left (\sec \left (f x +e \right )^{2}\right )+2 \left (a -b \right ) \left (\left (a -b \right ) \left (a +b \tan \left (f x +e \right )^{2}\right ) \ln \left (\tan \left (f x +e \right )\right )-\frac {a b}{2}\right )}{2 \left (a -b \right )^{2} \left (a +b \tan \left (f x +e \right )^{2}\right ) a^{2} f}\) | \(131\) |
risch | \(\frac {i x}{a^{2}-2 a b +b^{2}}-\frac {2 i x}{a^{2}}-\frac {2 i e}{a^{2} f}-\frac {4 i b x}{a \left (a^{2}-2 a b +b^{2}\right )}-\frac {4 i b e}{a f \left (a^{2}-2 a b +b^{2}\right )}+\frac {2 i b^{2} x}{a^{2} \left (a^{2}-2 a b +b^{2}\right )}+\frac {2 i b^{2} e}{a^{2} f \left (a^{2}-2 a b +b^{2}\right )}-\frac {2 b^{2} {\mathrm e}^{2 i \left (f x +e \right )}}{a f \left (-a +b \right )^{2} \left (-a \,{\mathrm e}^{4 i \left (f x +e \right )}+b \,{\mathrm e}^{4 i \left (f x +e \right )}-2 a \,{\mathrm e}^{2 i \left (f x +e \right )}-2 b \,{\mathrm e}^{2 i \left (f x +e \right )}-a +b \right )}+\frac {\ln \left ({\mathrm e}^{2 i \left (f x +e \right )}-1\right )}{a^{2} f}+\frac {b \ln \left ({\mathrm e}^{4 i \left (f x +e \right )}+\frac {2 \left (a +b \right ) {\mathrm e}^{2 i \left (f x +e \right )}}{a -b}+1\right )}{a f \left (a^{2}-2 a b +b^{2}\right )}-\frac {b^{2} \ln \left ({\mathrm e}^{4 i \left (f x +e \right )}+\frac {2 \left (a +b \right ) {\mathrm e}^{2 i \left (f x +e \right )}}{a -b}+1\right )}{2 a^{2} f \left (a^{2}-2 a b +b^{2}\right )}\) | \(341\) |
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Time = 0.29 (sec) , antiderivative size = 197, normalized size of antiderivative = 1.91 \[ \int \frac {\cot (e+f x)}{\left (a+b \tan ^2(e+f x)\right )^2} \, dx=\frac {a b^{2} \tan \left (f x + e\right )^{2} + a b^{2} + {\left (a^{3} - 2 \, a^{2} b + a b^{2} + {\left (a^{2} b - 2 \, a b^{2} + b^{3}\right )} \tan \left (f x + e\right )^{2}\right )} \log \left (\frac {\tan \left (f x + e\right )^{2}}{\tan \left (f x + e\right )^{2} + 1}\right ) + {\left (2 \, a^{2} b - a b^{2} + {\left (2 \, a b^{2} - b^{3}\right )} \tan \left (f x + e\right )^{2}\right )} \log \left (\frac {b \tan \left (f x + e\right )^{2} + a}{\tan \left (f x + e\right )^{2} + 1}\right )}{2 \, {\left ({\left (a^{4} b - 2 \, a^{3} b^{2} + a^{2} b^{3}\right )} f \tan \left (f x + e\right )^{2} + {\left (a^{5} - 2 \, a^{4} b + a^{3} b^{2}\right )} f\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 2377 vs. \(2 (80) = 160\).
Time = 89.48 (sec) , antiderivative size = 2377, normalized size of antiderivative = 23.08 \[ \int \frac {\cot (e+f x)}{\left (a+b \tan ^2(e+f x)\right )^2} \, dx=\text {Too large to display} \]
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Time = 0.27 (sec) , antiderivative size = 124, normalized size of antiderivative = 1.20 \[ \int \frac {\cot (e+f x)}{\left (a+b \tan ^2(e+f x)\right )^2} \, dx=\frac {\frac {b^{2}}{a^{4} - 2 \, a^{3} b + a^{2} b^{2} - {\left (a^{4} - 3 \, a^{3} b + 3 \, a^{2} b^{2} - a b^{3}\right )} \sin \left (f x + e\right )^{2}} + \frac {{\left (2 \, a b - b^{2}\right )} \log \left (-{\left (a - b\right )} \sin \left (f x + e\right )^{2} + a\right )}{a^{4} - 2 \, a^{3} b + a^{2} b^{2}} + \frac {\log \left (\sin \left (f x + e\right )^{2}\right )}{a^{2}}}{2 \, f} \]
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Time = 0.85 (sec) , antiderivative size = 145, normalized size of antiderivative = 1.41 \[ \int \frac {\cot (e+f x)}{\left (a+b \tan ^2(e+f x)\right )^2} \, dx=\frac {\frac {{\left (2 \, a b - b^{2}\right )} \log \left ({\left | -a \sin \left (f x + e\right )^{2} + b \sin \left (f x + e\right )^{2} + a \right |}\right )}{a^{4} - 2 \, a^{3} b + a^{2} b^{2}} - \frac {2 \, a b \sin \left (f x + e\right )^{2} - b^{2} \sin \left (f x + e\right )^{2} - 2 \, a b}{{\left (a^{3} - a^{2} b\right )} {\left (a \sin \left (f x + e\right )^{2} - b \sin \left (f x + e\right )^{2} - a\right )}} + \frac {\log \left (\sin \left (f x + e\right )^{2}\right )}{a^{2}}}{2 \, f} \]
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Time = 11.35 (sec) , antiderivative size = 104, normalized size of antiderivative = 1.01 \[ \int \frac {\cot (e+f x)}{\left (a+b \tan ^2(e+f x)\right )^2} \, dx=\frac {\ln \left (\mathrm {tan}\left (e+f\,x\right )\right )}{a^2\,f}-\frac {\ln \left ({\mathrm {tan}\left (e+f\,x\right )}^2+1\right )}{2\,f\,{\left (a-b\right )}^2}-\frac {b}{2\,a\,f\,\left (b\,{\mathrm {tan}\left (e+f\,x\right )}^2+a\right )\,\left (a-b\right )}+\frac {b\,\ln \left (b\,{\mathrm {tan}\left (e+f\,x\right )}^2+a\right )\,\left (2\,a-b\right )}{2\,a^2\,f\,{\left (a-b\right )}^2} \]
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