Integrand size = 32, antiderivative size = 68 \[ \int \cot ^3(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=-a (i A+B) x-\frac {a (i A+B) \cot (c+d x)}{d}-\frac {a A \cot ^2(c+d x)}{2 d}-\frac {a (A-i B) \log (\sin (c+d x))}{d} \]
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Time = 0.14 (sec) , antiderivative size = 68, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {3672, 3610, 3612, 3556} \[ \int \cot ^3(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=-\frac {a (B+i A) \cot (c+d x)}{d}-\frac {a (A-i B) \log (\sin (c+d x))}{d}-a x (B+i A)-\frac {a A \cot ^2(c+d x)}{2 d} \]
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Rule 3556
Rule 3610
Rule 3612
Rule 3672
Rubi steps \begin{align*} \text {integral}& = -\frac {a A \cot ^2(c+d x)}{2 d}+\int \cot ^2(c+d x) (a (i A+B)-a (A-i B) \tan (c+d x)) \, dx \\ & = -\frac {a (i A+B) \cot (c+d x)}{d}-\frac {a A \cot ^2(c+d x)}{2 d}+\int \cot (c+d x) (-a (A-i B)-a (i A+B) \tan (c+d x)) \, dx \\ & = -a (i A+B) x-\frac {a (i A+B) \cot (c+d x)}{d}-\frac {a A \cot ^2(c+d x)}{2 d}-(a (A-i B)) \int \cot (c+d x) \, dx \\ & = -a (i A+B) x-\frac {a (i A+B) \cot (c+d x)}{d}-\frac {a A \cot ^2(c+d x)}{2 d}-\frac {a (A-i 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 = 0.42 (sec) , antiderivative size = 76, normalized size of antiderivative = 1.12 \[ \int \cot ^3(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=-\frac {a \left (A \cot ^2(c+d x)+2 (i A+B) \cot (c+d x) \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},1,\frac {1}{2},-\tan ^2(c+d x)\right )+2 (A-i B) (\log (\cos (c+d x))+\log (\tan (c+d x)))\right )}{2 d} \]
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Time = 0.17 (sec) , antiderivative size = 73, normalized size of antiderivative = 1.07
method | result | size |
parallelrisch | \(-\frac {\left (\left (-\frac {A}{2}+\frac {i B}{2}\right ) \ln \left (\sec ^{2}\left (d x +c \right )\right )+\left (-i B +A \right ) \ln \left (\tan \left (d x +c \right )\right )+\frac {A \left (\cot ^{2}\left (d x +c \right )\right )}{2}+\cot \left (d x +c \right ) \left (i A +B \right )+\left (i A +B \right ) x d \right ) a}{d}\) | \(73\) |
derivativedivides | \(\frac {a \left (\frac {\left (-i B +A \right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2}+\left (-i A -B \right ) \arctan \left (\tan \left (d x +c \right )\right )-\frac {A}{2 \tan \left (d x +c \right )^{2}}+\left (i B -A \right ) \ln \left (\tan \left (d x +c \right )\right )-\frac {i A +B}{\tan \left (d x +c \right )}\right )}{d}\) | \(85\) |
default | \(\frac {a \left (\frac {\left (-i B +A \right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2}+\left (-i A -B \right ) \arctan \left (\tan \left (d x +c \right )\right )-\frac {A}{2 \tan \left (d x +c \right )^{2}}+\left (i B -A \right ) \ln \left (\tan \left (d x +c \right )\right )-\frac {i A +B}{\tan \left (d x +c \right )}\right )}{d}\) | \(85\) |
norman | \(\frac {\left (-i a A -B a \right ) x \left (\tan ^{2}\left (d x +c \right )\right )-\frac {a A}{2 d}-\frac {\left (i a A +B a \right ) \tan \left (d x +c \right )}{d}}{\tan \left (d x +c \right )^{2}}-\frac {\left (-i a B +a A \right ) \ln \left (\tan \left (d x +c \right )\right )}{d}+\frac {\left (-i a B +a A \right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2 d}\) | \(105\) |
risch | \(\frac {2 a B c}{d}+\frac {2 i a A c}{d}-\frac {2 i a \left (2 i A \,{\mathrm e}^{2 i \left (d x +c \right )}+B \,{\mathrm e}^{2 i \left (d x +c \right )}-i A -B \right )}{d \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )^{2}}+\frac {i a \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right ) B}{d}-\frac {a A \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )}{d}\) | \(110\) |
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Time = 0.25 (sec) , antiderivative size = 111, normalized size of antiderivative = 1.63 \[ \int \cot ^3(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=\frac {2 \, {\left (2 \, A - i \, B\right )} a e^{\left (2 i \, d x + 2 i \, c\right )} - 2 \, {\left (A - i \, B\right )} a - {\left ({\left (A - i \, B\right )} a e^{\left (4 i \, d x + 4 i \, c\right )} - 2 \, {\left (A - i \, B\right )} a e^{\left (2 i \, d x + 2 i \, c\right )} + {\left (A - i \, B\right )} a\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} - 1\right )}{d e^{\left (4 i \, d x + 4 i \, c\right )} - 2 \, d e^{\left (2 i \, d x + 2 i \, c\right )} + d} \]
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Time = 0.31 (sec) , antiderivative size = 109, normalized size of antiderivative = 1.60 \[ \int \cot ^3(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=- \frac {a \left (A - i B\right ) \log {\left (e^{2 i d x} - e^{- 2 i c} \right )}}{d} + \frac {- 2 A a + 2 i B a + \left (4 A a e^{2 i c} - 2 i B a e^{2 i c}\right ) e^{2 i d x}}{d e^{4 i c} e^{4 i d x} - 2 d e^{2 i c} e^{2 i d x} + d} \]
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Time = 0.29 (sec) , antiderivative size = 84, normalized size of antiderivative = 1.24 \[ \int \cot ^3(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=\frac {2 \, {\left (d x + c\right )} {\left (-i \, A - B\right )} a + {\left (A - i \, B\right )} a \log \left (\tan \left (d x + c\right )^{2} + 1\right ) - 2 \, {\left (A - i \, B\right )} a \log \left (\tan \left (d x + c\right )\right ) + \frac {2 \, {\left (-i \, A - B\right )} a \tan \left (d x + c\right ) - A a}{\tan \left (d x + c\right )^{2}}}{2 \, d} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 162 vs. \(2 (60) = 120\).
Time = 0.61 (sec) , antiderivative size = 162, normalized size of antiderivative = 2.38 \[ \int \cot ^3(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=-\frac {A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 4 i \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 4 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 16 \, {\left (A a - i \, B a\right )} \log \left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + i\right ) + 8 \, {\left (A a - i \, B a\right )} \log \left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right ) - \frac {12 \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 12 i \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 4 i \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 4 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - A a}{\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2}}}{8 \, d} \]
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Time = 7.33 (sec) , antiderivative size = 60, normalized size of antiderivative = 0.88 \[ \int \cot ^3(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=-\frac {\frac {A\,a}{2}+\mathrm {tan}\left (c+d\,x\right )\,\left (B\,a+A\,a\,1{}\mathrm {i}\right )}{d\,{\mathrm {tan}\left (c+d\,x\right )}^2}-\frac {a\,\mathrm {atan}\left (2\,\mathrm {tan}\left (c+d\,x\right )+1{}\mathrm {i}\right )\,\left (A-B\,1{}\mathrm {i}\right )\,2{}\mathrm {i}}{d} \]
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