Integrand size = 31, antiderivative size = 169 \[ \int \frac {\cot ^4(c+d x) (A+B \tan (c+d x))}{a+b \tan (c+d x)} \, dx=\frac {(a A+b B) x}{a^2+b^2}+\frac {\left (a^2 A-A b^2+a b B\right ) \cot (c+d x)}{a^3 d}+\frac {(A b-a B) \cot ^2(c+d x)}{2 a^2 d}-\frac {A \cot ^3(c+d x)}{3 a d}+\frac {\left (a^2-b^2\right ) (A b-a B) \log (\sin (c+d x))}{a^4 d}+\frac {b^4 (A b-a B) \log (a \cos (c+d x)+b \sin (c+d x))}{a^4 \left (a^2+b^2\right ) d} \]
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Time = 1.24 (sec) , antiderivative size = 169, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.161, Rules used = {3690, 3730, 3732, 3611, 3556} \[ \int \frac {\cot ^4(c+d x) (A+B \tan (c+d x))}{a+b \tan (c+d x)} \, dx=\frac {x (a A+b B)}{a^2+b^2}+\frac {(A b-a B) \cot ^2(c+d x)}{2 a^2 d}+\frac {\left (a^2-b^2\right ) (A b-a B) \log (\sin (c+d x))}{a^4 d}+\frac {b^4 (A b-a B) \log (a \cos (c+d x)+b \sin (c+d x))}{a^4 d \left (a^2+b^2\right )}+\frac {\left (a^2 A+a b B-A b^2\right ) \cot (c+d x)}{a^3 d}-\frac {A \cot ^3(c+d x)}{3 a d} \]
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Rule 3556
Rule 3611
Rule 3690
Rule 3730
Rule 3732
Rubi steps \begin{align*} \text {integral}& = -\frac {A \cot ^3(c+d x)}{3 a d}-\frac {\int \frac {\cot ^3(c+d x) \left (3 (A b-a B)+3 a A \tan (c+d x)+3 A b \tan ^2(c+d x)\right )}{a+b \tan (c+d x)} \, dx}{3 a} \\ & = \frac {(A b-a B) \cot ^2(c+d x)}{2 a^2 d}-\frac {A \cot ^3(c+d x)}{3 a d}+\frac {\int \frac {\cot ^2(c+d x) \left (-6 \left (a^2 A-A b^2+a b B\right )-6 a^2 B \tan (c+d x)+6 b (A b-a B) \tan ^2(c+d x)\right )}{a+b \tan (c+d x)} \, dx}{6 a^2} \\ & = \frac {\left (a^2 A-A b^2+a b B\right ) \cot (c+d x)}{a^3 d}+\frac {(A b-a B) \cot ^2(c+d x)}{2 a^2 d}-\frac {A \cot ^3(c+d x)}{3 a d}-\frac {\int \frac {\cot (c+d x) \left (-6 \left (a^2-b^2\right ) (A b-a B)-6 a^3 A \tan (c+d x)-6 b \left (a^2 A-A b^2+a b B\right ) \tan ^2(c+d x)\right )}{a+b \tan (c+d x)} \, dx}{6 a^3} \\ & = \frac {(a A+b B) x}{a^2+b^2}+\frac {\left (a^2 A-A b^2+a b B\right ) \cot (c+d x)}{a^3 d}+\frac {(A b-a B) \cot ^2(c+d x)}{2 a^2 d}-\frac {A \cot ^3(c+d x)}{3 a d}+\frac {\left (\left (a^2-b^2\right ) (A b-a B)\right ) \int \cot (c+d x) \, dx}{a^4}+\frac {\left (b^4 (A b-a B)\right ) \int \frac {b-a \tan (c+d x)}{a+b \tan (c+d x)} \, dx}{a^4 \left (a^2+b^2\right )} \\ & = \frac {(a A+b B) x}{a^2+b^2}+\frac {\left (a^2 A-A b^2+a b B\right ) \cot (c+d x)}{a^3 d}+\frac {(A b-a B) \cot ^2(c+d x)}{2 a^2 d}-\frac {A \cot ^3(c+d x)}{3 a d}+\frac {\left (a^2-b^2\right ) (A b-a B) \log (\sin (c+d x))}{a^4 d}+\frac {b^4 (A b-a B) \log (a \cos (c+d x)+b \sin (c+d x))}{a^4 \left (a^2+b^2\right ) d} \\ \end{align*}
Result contains complex when optimal does not.
Time = 2.95 (sec) , antiderivative size = 194, normalized size of antiderivative = 1.15 \[ \int \frac {\cot ^4(c+d x) (A+B \tan (c+d x))}{a+b \tan (c+d x)} \, dx=\frac {\frac {6 \left (a^2 A-A b^2+a b B\right ) \cot (c+d x)}{a^3}+\frac {3 (A b-a B) \cot ^2(c+d x)}{a^2}-\frac {2 A \cot ^3(c+d x)}{a}+\frac {3 (-i A+B) \log (i-\tan (c+d x))}{a+i b}+\frac {6 (a-b) (a+b) (A b-a B) \log (\tan (c+d x))}{a^4}+\frac {3 (i A+B) \log (i+\tan (c+d x))}{a-i b}+\frac {6 b^4 (A b-a B) \log (a+b \tan (c+d x))}{a^4 \left (a^2+b^2\right )}}{6 d} \]
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Time = 0.30 (sec) , antiderivative size = 189, normalized size of antiderivative = 1.12
method | result | size |
derivativedivides | \(\frac {\frac {\frac {\left (-A b +B a \right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2}+\left (a A +B b \right ) \arctan \left (\tan \left (d x +c \right )\right )}{a^{2}+b^{2}}-\frac {-A b +B a}{2 a^{2} \tan \left (d x +c \right )^{2}}-\frac {-A \,a^{2}+A \,b^{2}-B a b}{a^{3} \tan \left (d x +c \right )}+\frac {\left (A \,a^{2} b -A \,b^{3}-B \,a^{3}+B a \,b^{2}\right ) \ln \left (\tan \left (d x +c \right )\right )}{a^{4}}-\frac {A}{3 a \tan \left (d x +c \right )^{3}}+\frac {\left (A b -B a \right ) b^{4} \ln \left (a +b \tan \left (d x +c \right )\right )}{\left (a^{2}+b^{2}\right ) a^{4}}}{d}\) | \(189\) |
default | \(\frac {\frac {\frac {\left (-A b +B a \right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2}+\left (a A +B b \right ) \arctan \left (\tan \left (d x +c \right )\right )}{a^{2}+b^{2}}-\frac {-A b +B a}{2 a^{2} \tan \left (d x +c \right )^{2}}-\frac {-A \,a^{2}+A \,b^{2}-B a b}{a^{3} \tan \left (d x +c \right )}+\frac {\left (A \,a^{2} b -A \,b^{3}-B \,a^{3}+B a \,b^{2}\right ) \ln \left (\tan \left (d x +c \right )\right )}{a^{4}}-\frac {A}{3 a \tan \left (d x +c \right )^{3}}+\frac {\left (A b -B a \right ) b^{4} \ln \left (a +b \tan \left (d x +c \right )\right )}{\left (a^{2}+b^{2}\right ) a^{4}}}{d}\) | \(189\) |
parallelrisch | \(\frac {\left (6 A \,b^{5}-6 B a \,b^{4}\right ) \ln \left (a +b \tan \left (d x +c \right )\right )+\left (-3 A \,a^{4} b +3 B \,a^{5}\right ) \ln \left (\sec ^{2}\left (d x +c \right )\right )+\left (6 A \,a^{4} b -6 A \,b^{5}-6 B \,a^{5}+6 B a \,b^{4}\right ) \ln \left (\tan \left (d x +c \right )\right )+6 a \left (-\frac {A \,a^{2} \left (\cot ^{3}\left (d x +c \right )\right ) \left (a^{2}+b^{2}\right )}{3}+\frac {\left (\cot ^{2}\left (d x +c \right )\right ) a \left (a^{2}+b^{2}\right ) \left (A b -B a \right )}{2}+\cot \left (d x +c \right ) \left (a^{2}+b^{2}\right ) \left (A \,a^{2}-A \,b^{2}+B a b \right )+a^{3} d x \left (a A +B b \right )\right )}{6 \left (a^{2}+b^{2}\right ) a^{4} d}\) | \(198\) |
norman | \(\frac {\frac {\left (a A +B b \right ) x \left (\tan ^{3}\left (d x +c \right )\right )}{a^{2}+b^{2}}+\frac {\left (A \,a^{2}-A \,b^{2}+B a b \right ) \left (\tan ^{2}\left (d x +c \right )\right )}{a^{3} d}-\frac {A}{3 a d}+\frac {\left (A b -B a \right ) \tan \left (d x +c \right )}{2 a^{2} d}}{\tan \left (d x +c \right )^{3}}+\frac {\left (A b -B a \right ) \left (a^{2}-b^{2}\right ) \ln \left (\tan \left (d x +c \right )\right )}{a^{4} d}+\frac {b^{4} \left (A b -B a \right ) \ln \left (a +b \tan \left (d x +c \right )\right )}{\left (a^{2}+b^{2}\right ) a^{4} d}-\frac {\left (A b -B a \right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2 d \left (a^{2}+b^{2}\right )}\) | \(202\) |
risch | \(-\frac {2 i B \,b^{2} x}{a^{3}}-\frac {x A}{i b -a}+\frac {2 i x B}{a}-\frac {2 i B \,b^{2} c}{a^{3} d}-\frac {2 i b^{5} A c}{\left (a^{2}+b^{2}\right ) a^{4} d}+\frac {2 i b^{4} B x}{\left (a^{2}+b^{2}\right ) a^{3}}+\frac {2 i B c}{a d}-\frac {2 i \left (-3 i A a b \,{\mathrm e}^{4 i \left (d x +c \right )}+3 i B \,a^{2} {\mathrm e}^{4 i \left (d x +c \right )}-6 A \,a^{2} {\mathrm e}^{4 i \left (d x +c \right )}+3 A \,b^{2} {\mathrm e}^{4 i \left (d x +c \right )}-3 B a b \,{\mathrm e}^{4 i \left (d x +c \right )}+3 i A a b \,{\mathrm e}^{2 i \left (d x +c \right )}-3 i B \,a^{2} {\mathrm e}^{2 i \left (d x +c \right )}+6 A \,a^{2} {\mathrm e}^{2 i \left (d x +c \right )}-6 A \,b^{2} {\mathrm e}^{2 i \left (d x +c \right )}+6 B a b \,{\mathrm e}^{2 i \left (d x +c \right )}-4 A \,a^{2}+3 A \,b^{2}-3 B a b \right )}{3 a^{3} d \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )^{3}}+\frac {2 i A \,b^{3} c}{a^{4} d}+\frac {2 i b^{4} B c}{\left (a^{2}+b^{2}\right ) a^{3} d}+\frac {2 i A \,b^{3} x}{a^{4}}-\frac {2 i A b x}{a^{2}}-\frac {2 i b^{5} A x}{\left (a^{2}+b^{2}\right ) a^{4}}+\frac {i x B}{i b -a}-\frac {2 i A b c}{a^{2} d}+\frac {\ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right ) A b}{a^{2} d}-\frac {\ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right ) A \,b^{3}}{a^{4} d}-\frac {\ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right ) B}{a d}+\frac {\ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right ) B \,b^{2}}{a^{3} d}+\frac {b^{5} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-\frac {i b +a}{i b -a}\right ) A}{\left (a^{2}+b^{2}\right ) a^{4} d}-\frac {b^{4} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-\frac {i b +a}{i b -a}\right ) B}{\left (a^{2}+b^{2}\right ) a^{3} d}\) | \(585\) |
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Time = 0.30 (sec) , antiderivative size = 293, normalized size of antiderivative = 1.73 \[ \int \frac {\cot ^4(c+d x) (A+B \tan (c+d x))}{a+b \tan (c+d x)} \, dx=-\frac {2 \, A a^{5} + 2 \, A a^{3} b^{2} + 3 \, {\left (B a^{5} - A a^{4} b - B a b^{4} + A b^{5}\right )} \log \left (\frac {\tan \left (d x + c\right )^{2}}{\tan \left (d x + c\right )^{2} + 1}\right ) \tan \left (d x + c\right )^{3} + 3 \, {\left (B a b^{4} - A b^{5}\right )} \log \left (\frac {b^{2} \tan \left (d x + c\right )^{2} + 2 \, a b \tan \left (d x + c\right ) + a^{2}}{\tan \left (d x + c\right )^{2} + 1}\right ) \tan \left (d x + c\right )^{3} + 3 \, {\left (B a^{5} - A a^{4} b + B a^{3} b^{2} - A a^{2} b^{3} - 2 \, {\left (A a^{5} + B a^{4} b\right )} d x\right )} \tan \left (d x + c\right )^{3} - 6 \, {\left (A a^{5} + B a^{4} b + B a^{2} b^{3} - A a b^{4}\right )} \tan \left (d x + c\right )^{2} + 3 \, {\left (B a^{5} - A a^{4} b + B a^{3} b^{2} - A a^{2} b^{3}\right )} \tan \left (d x + c\right )}{6 \, {\left (a^{6} + a^{4} b^{2}\right )} d \tan \left (d x + c\right )^{3}} \]
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Result contains complex when optimal does not.
Time = 4.20 (sec) , antiderivative size = 3016, normalized size of antiderivative = 17.85 \[ \int \frac {\cot ^4(c+d x) (A+B \tan (c+d x))}{a+b \tan (c+d x)} \, dx=\text {Too large to display} \]
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Time = 0.28 (sec) , antiderivative size = 200, normalized size of antiderivative = 1.18 \[ \int \frac {\cot ^4(c+d x) (A+B \tan (c+d x))}{a+b \tan (c+d x)} \, dx=\frac {\frac {6 \, {\left (A a + B b\right )} {\left (d x + c\right )}}{a^{2} + b^{2}} - \frac {6 \, {\left (B a b^{4} - A b^{5}\right )} \log \left (b \tan \left (d x + c\right ) + a\right )}{a^{6} + a^{4} b^{2}} + \frac {3 \, {\left (B a - A b\right )} \log \left (\tan \left (d x + c\right )^{2} + 1\right )}{a^{2} + b^{2}} - \frac {6 \, {\left (B a^{3} - A a^{2} b - B a b^{2} + A b^{3}\right )} \log \left (\tan \left (d x + c\right )\right )}{a^{4}} - \frac {2 \, A a^{2} - 6 \, {\left (A a^{2} + B a b - A b^{2}\right )} \tan \left (d x + c\right )^{2} + 3 \, {\left (B a^{2} - A a b\right )} \tan \left (d x + c\right )}{a^{3} \tan \left (d x + c\right )^{3}}}{6 \, d} \]
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Time = 0.87 (sec) , antiderivative size = 285, normalized size of antiderivative = 1.69 \[ \int \frac {\cot ^4(c+d x) (A+B \tan (c+d x))}{a+b \tan (c+d x)} \, dx=\frac {\frac {6 \, {\left (A a + B b\right )} {\left (d x + c\right )}}{a^{2} + b^{2}} + \frac {3 \, {\left (B a - A b\right )} \log \left (\tan \left (d x + c\right )^{2} + 1\right )}{a^{2} + b^{2}} - \frac {6 \, {\left (B a b^{5} - A b^{6}\right )} \log \left ({\left | b \tan \left (d x + c\right ) + a \right |}\right )}{a^{6} b + a^{4} b^{3}} - \frac {6 \, {\left (B a^{3} - A a^{2} b - B a b^{2} + A b^{3}\right )} \log \left ({\left | \tan \left (d x + c\right ) \right |}\right )}{a^{4}} + \frac {11 \, B a^{3} \tan \left (d x + c\right )^{3} - 11 \, A a^{2} b \tan \left (d x + c\right )^{3} - 11 \, B a b^{2} \tan \left (d x + c\right )^{3} + 11 \, A b^{3} \tan \left (d x + c\right )^{3} + 6 \, A a^{3} \tan \left (d x + c\right )^{2} + 6 \, B a^{2} b \tan \left (d x + c\right )^{2} - 6 \, A a b^{2} \tan \left (d x + c\right )^{2} - 3 \, B a^{3} \tan \left (d x + c\right ) + 3 \, A a^{2} b \tan \left (d x + c\right ) - 2 \, A a^{3}}{a^{4} \tan \left (d x + c\right )^{3}}}{6 \, d} \]
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Time = 10.06 (sec) , antiderivative size = 208, normalized size of antiderivative = 1.23 \[ \int \frac {\cot ^4(c+d x) (A+B \tan (c+d x))}{a+b \tan (c+d x)} \, dx=\frac {{\mathrm {cot}\left (c+d\,x\right )}^3\,\left (\frac {{\mathrm {tan}\left (c+d\,x\right )}^2\,\left (A\,a^2+B\,a\,b-A\,b^2\right )}{a^3}-\frac {A}{3\,a}+\frac {\mathrm {tan}\left (c+d\,x\right )\,\left (A\,b-B\,a\right )}{2\,a^2}\right )}{d}+\frac {\ln \left (a+b\,\mathrm {tan}\left (c+d\,x\right )\right )\,\left (A\,b^5-B\,a\,b^4\right )}{d\,\left (a^6+a^4\,b^2\right )}-\frac {\ln \left (\mathrm {tan}\left (c+d\,x\right )\right )\,\left (B\,a^3-A\,a^2\,b-B\,a\,b^2+A\,b^3\right )}{a^4\,d}-\frac {\ln \left (\mathrm {tan}\left (c+d\,x\right )+1{}\mathrm {i}\right )\,\left (A-B\,1{}\mathrm {i}\right )}{2\,d\,\left (b+a\,1{}\mathrm {i}\right )}-\frac {\ln \left (\mathrm {tan}\left (c+d\,x\right )-\mathrm {i}\right )\,\left (-B+A\,1{}\mathrm {i}\right )}{2\,d\,\left (a+b\,1{}\mathrm {i}\right )} \]
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