Integrand size = 32, antiderivative size = 89 \[ \int \cot ^4(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=a (A-i B) x+\frac {a (A-i B) \cot (c+d x)}{d}-\frac {a (i A+B) \cot ^2(c+d x)}{2 d}-\frac {a A \cot ^3(c+d x)}{3 d}-\frac {a (i A+B) \log (\sin (c+d x))}{d} \]
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Time = 0.21 (sec) , antiderivative size = 89, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {3672, 3610, 3612, 3556} \[ \int \cot ^4(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=-\frac {a (B+i A) \cot ^2(c+d x)}{2 d}+\frac {a (A-i B) \cot (c+d x)}{d}-\frac {a (B+i A) \log (\sin (c+d x))}{d}+a x (A-i B)-\frac {a A \cot ^3(c+d x)}{3 d} \]
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Rule 3556
Rule 3610
Rule 3612
Rule 3672
Rubi steps \begin{align*} \text {integral}& = -\frac {a A \cot ^3(c+d x)}{3 d}+\int \cot ^3(c+d x) (a (i A+B)-a (A-i B) \tan (c+d x)) \, dx \\ & = -\frac {a (i A+B) \cot ^2(c+d x)}{2 d}-\frac {a A \cot ^3(c+d x)}{3 d}+\int \cot ^2(c+d x) (-a (A-i B)-a (i A+B) \tan (c+d x)) \, dx \\ & = \frac {a (A-i B) \cot (c+d x)}{d}-\frac {a (i A+B) \cot ^2(c+d x)}{2 d}-\frac {a A \cot ^3(c+d x)}{3 d}+\int \cot (c+d x) (-a (i A+B)+a (A-i B) \tan (c+d x)) \, dx \\ & = a (A-i B) x+\frac {a (A-i B) \cot (c+d x)}{d}-\frac {a (i A+B) \cot ^2(c+d x)}{2 d}-\frac {a A \cot ^3(c+d x)}{3 d}-(a (i A+B)) \int \cot (c+d x) \, dx \\ & = a (A-i B) x+\frac {a (A-i B) \cot (c+d x)}{d}-\frac {a (i A+B) \cot ^2(c+d x)}{2 d}-\frac {a A \cot ^3(c+d x)}{3 d}-\frac {a (i A+B) \log (\sin (c+d x))}{d} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 0.79 (sec) , antiderivative size = 102, normalized size of antiderivative = 1.15 \[ \int \cot ^4(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=-\frac {a \left (2 A \cot ^3(c+d x) \operatorname {Hypergeometric2F1}\left (-\frac {3}{2},1,-\frac {1}{2},-\tan ^2(c+d x)\right )+6 i B \cot (c+d x) \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},1,\frac {1}{2},-\tan ^2(c+d x)\right )+3 (i A+B) \left (\cot ^2(c+d x)+2 (\log (\cos (c+d x))+\log (\tan (c+d x)))\right )\right )}{6 d} \]
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Time = 0.18 (sec) , antiderivative size = 101, normalized size of antiderivative = 1.13
method | result | size |
derivativedivides | \(\frac {a \left (\frac {\left (i A +B \right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2}+\left (-i B +A \right ) \arctan \left (\tan \left (d x +c \right )\right )-\frac {A}{3 \tan \left (d x +c \right )^{3}}-\frac {i B -A}{\tan \left (d x +c \right )}+\left (-i A -B \right ) \ln \left (\tan \left (d x +c \right )\right )-\frac {i A +B}{2 \tan \left (d x +c \right )^{2}}\right )}{d}\) | \(101\) |
default | \(\frac {a \left (\frac {\left (i A +B \right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2}+\left (-i B +A \right ) \arctan \left (\tan \left (d x +c \right )\right )-\frac {A}{3 \tan \left (d x +c \right )^{3}}-\frac {i B -A}{\tan \left (d x +c \right )}+\left (-i A -B \right ) \ln \left (\tan \left (d x +c \right )\right )-\frac {i A +B}{2 \tan \left (d x +c \right )^{2}}\right )}{d}\) | \(101\) |
norman | \(\frac {\frac {\left (-i a B +a A \right ) \left (\tan ^{2}\left (d x +c \right )\right )}{d}+\left (-i a B +a A \right ) x \left (\tan ^{3}\left (d x +c \right )\right )-\frac {a A}{3 d}-\frac {\left (i a A +B a \right ) \tan \left (d x +c \right )}{2 d}}{\tan \left (d x +c \right )^{3}}-\frac {\left (i a A +B a \right ) \ln \left (\tan \left (d x +c \right )\right )}{d}+\frac {\left (i a A +B a \right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2 d}\) | \(125\) |
parallelrisch | \(-\frac {a \left (6 i B d x +6 i A \ln \left (\tan \left (d x +c \right )\right )-3 i A \ln \left (\sec ^{2}\left (d x +c \right )\right )-6 A d x +3 i A \left (\cot ^{2}\left (d x +c \right )\right )+6 i B \cot \left (d x +c \right )+6 B \ln \left (\tan \left (d x +c \right )\right )-3 B \ln \left (\sec ^{2}\left (d x +c \right )\right )+8 A \left (\cot ^{3}\left (d x +c \right )\right )+3 B \left (\cot ^{2}\left (d x +c \right )\right )-6 A \cot \left (d x +c \right ) \left (\csc ^{2}\left (d x +c \right )\right )\right )}{6 d}\) | \(126\) |
risch | \(\frac {2 i a B c}{d}-\frac {2 a A c}{d}+\frac {2 a \left (9 i A \,{\mathrm e}^{4 i \left (d x +c \right )}+6 B \,{\mathrm e}^{4 i \left (d x +c \right )}-9 i A \,{\mathrm e}^{2 i \left (d x +c \right )}-9 B \,{\mathrm e}^{2 i \left (d x +c \right )}+4 i A +3 B \right )}{3 d \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )^{3}}-\frac {a \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right ) B}{d}-\frac {i a \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right ) A}{d}\) | \(135\) |
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 166 vs. \(2 (77) = 154\).
Time = 0.25 (sec) , antiderivative size = 166, normalized size of antiderivative = 1.87 \[ \int \cot ^4(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=-\frac {6 \, {\left (-3 i \, A - 2 \, B\right )} a e^{\left (4 i \, d x + 4 i \, c\right )} + 18 \, {\left (i \, A + B\right )} a e^{\left (2 i \, d x + 2 i \, c\right )} + 2 \, {\left (-4 i \, A - 3 \, B\right )} a + 3 \, {\left ({\left (i \, A + B\right )} a e^{\left (6 i \, d x + 6 i \, c\right )} + 3 \, {\left (-i \, A - B\right )} a e^{\left (4 i \, d x + 4 i \, c\right )} + 3 \, {\left (i \, A + B\right )} a e^{\left (2 i \, d x + 2 i \, c\right )} + {\left (-i \, A - B\right )} a\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} - 1\right )}{3 \, {\left (d e^{\left (6 i \, d x + 6 i \, c\right )} - 3 \, d e^{\left (4 i \, d x + 4 i \, c\right )} + 3 \, d e^{\left (2 i \, d x + 2 i \, c\right )} - d\right )}} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 168 vs. \(2 (73) = 146\).
Time = 0.37 (sec) , antiderivative size = 168, normalized size of antiderivative = 1.89 \[ \int \cot ^4(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=- \frac {i a \left (A - i B\right ) \log {\left (e^{2 i d x} - e^{- 2 i c} \right )}}{d} + \frac {8 i A a + 6 B a + \left (- 18 i A a e^{2 i c} - 18 B a e^{2 i c}\right ) e^{2 i d x} + \left (18 i A a e^{4 i c} + 12 B a e^{4 i c}\right ) e^{4 i d x}}{3 d e^{6 i c} e^{6 i d x} - 9 d e^{4 i c} e^{4 i d x} + 9 d e^{2 i c} e^{2 i d x} - 3 d} \]
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Time = 0.29 (sec) , antiderivative size = 103, normalized size of antiderivative = 1.16 \[ \int \cot ^4(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=\frac {6 \, {\left (d x + c\right )} {\left (A - i \, B\right )} a - 3 \, {\left (-i \, A - B\right )} a \log \left (\tan \left (d x + c\right )^{2} + 1\right ) + 6 \, {\left (-i \, A - B\right )} a \log \left (\tan \left (d x + c\right )\right ) + \frac {6 \, {\left (A - i \, B\right )} a \tan \left (d x + c\right )^{2} + 3 \, {\left (-i \, A - B\right )} a \tan \left (d x + c\right ) - 2 \, A a}{\tan \left (d x + c\right )^{3}}}{6 \, d} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 221 vs. \(2 (77) = 154\).
Time = 0.71 (sec) , antiderivative size = 221, normalized size of antiderivative = 2.48 \[ \int \cot ^4(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=\frac {A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 3 i \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 3 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 15 \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 12 i \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 48 \, {\left (i \, A a + B a\right )} \log \left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + i\right ) - 24 \, {\left (i \, A a + B a\right )} \log \left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right ) - \frac {-44 i \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 44 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 15 \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 12 i \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 3 i \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 3 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + A a}{\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3}}}{24 \, d} \]
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Time = 7.57 (sec) , antiderivative size = 80, normalized size of antiderivative = 0.90 \[ \int \cot ^4(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=-\frac {\left (-A\,a+B\,a\,1{}\mathrm {i}\right )\,{\mathrm {tan}\left (c+d\,x\right )}^2+\left (\frac {B\,a}{2}+\frac {A\,a\,1{}\mathrm {i}}{2}\right )\,\mathrm {tan}\left (c+d\,x\right )+\frac {A\,a}{3}}{d\,{\mathrm {tan}\left (c+d\,x\right )}^3}-\frac {a\,\mathrm {atan}\left (2\,\mathrm {tan}\left (c+d\,x\right )+1{}\mathrm {i}\right )\,\left (B+A\,1{}\mathrm {i}\right )\,2{}\mathrm {i}}{d} \]
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