Integrand size = 32, antiderivative size = 44 \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=-a (A-i B) x-\frac {a A \cot (c+d x)}{d}+\frac {a (i A+B) \log (\sin (c+d x))}{d} \]
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Time = 0.11 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.094, Rules used = {3672, 3612, 3556} \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=\frac {a (B+i A) \log (\sin (c+d x))}{d}-a x (A-i B)-\frac {a A \cot (c+d x)}{d} \]
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Rule 3556
Rule 3612
Rule 3672
Rubi steps \begin{align*} \text {integral}& = -\frac {a A \cot (c+d x)}{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 \cot (c+d x)}{d}+(a (i A+B)) \int \cot (c+d x) \, dx \\ & = -a (A-i B) x-\frac {a A \cot (c+d x)}{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 = 0.04 (sec) , antiderivative size = 97, normalized size of antiderivative = 2.20 \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=i a B x-\frac {a A \cot (c+d x) \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},1,\frac {1}{2},-\tan ^2(c+d x)\right )}{d}+\frac {i a A \log (\cos (c+d x))}{d}+\frac {a B \log (\cos (c+d x))}{d}+\frac {i a A \log (\tan (c+d x))}{d}+\frac {a B \log (\tan (c+d x))}{d} \]
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Time = 0.17 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.34
method | result | size |
parallelrisch | \(\frac {\left (\left (-\frac {i A}{2}-\frac {B}{2}\right ) \ln \left (\sec ^{2}\left (d x +c \right )\right )+\left (i A +B \right ) \ln \left (\tan \left (d x +c \right )\right )-A \cot \left (d x +c \right )+x d \left (i B -A \right )\right ) a}{d}\) | \(59\) |
derivativedivides | \(\frac {a \left (\frac {\left (-i A -B \right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2}+\left (i B -A \right ) \arctan \left (\tan \left (d x +c \right )\right )-\frac {A}{\tan \left (d x +c \right )}+\left (i A +B \right ) \ln \left (\tan \left (d x +c \right )\right )\right )}{d}\) | \(69\) |
default | \(\frac {a \left (\frac {\left (-i A -B \right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2}+\left (i B -A \right ) \arctan \left (\tan \left (d x +c \right )\right )-\frac {A}{\tan \left (d x +c \right )}+\left (i A +B \right ) \ln \left (\tan \left (d x +c \right )\right )\right )}{d}\) | \(69\) |
risch | \(-\frac {2 i a B c}{d}+\frac {2 a A c}{d}-\frac {2 i a A}{d \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )}+\frac {a \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right ) B}{d}+\frac {i a \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right ) A}{d}\) | \(78\) |
norman | \(\frac {\left (i a B -a A \right ) x \tan \left (d x +c \right )-\frac {a A}{d}}{\tan \left (d x +c \right )}+\frac {\left (i a A +B a \right ) \ln \left (\tan \left (d x +c \right )\right )}{d}-\frac {\left (i a A +B a \right ) \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2 d}\) | \(82\) |
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Time = 0.24 (sec) , antiderivative size = 62, normalized size of antiderivative = 1.41 \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=\frac {-2 i \, A a + {\left ({\left (i \, A + B\right )} a e^{\left (2 i \, d x + 2 i \, c\right )} + {\left (-i \, A - B\right )} a\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} - 1\right )}{d e^{\left (2 i \, d x + 2 i \, c\right )} - d} \]
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Time = 0.26 (sec) , antiderivative size = 53, normalized size of antiderivative = 1.20 \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=- \frac {2 i A a}{d e^{2 i c} e^{2 i d x} - d} + \frac {i a \left (A - i B\right ) \log {\left (e^{2 i d x} - e^{- 2 i c} \right )}}{d} \]
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Time = 0.28 (sec) , antiderivative size = 64, normalized size of antiderivative = 1.45 \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=-\frac {2 \, {\left (d x + c\right )} {\left (A - i \, B\right )} a + {\left (i \, A + B\right )} a \log \left (\tan \left (d x + c\right )^{2} + 1\right ) - 2 \, {\left (i \, A + B\right )} a \log \left (\tan \left (d x + c\right )\right ) + \frac {2 \, A a}{\tan \left (d x + c\right )}}{2 \, d} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 104 vs. \(2 (40) = 80\).
Time = 0.49 (sec) , antiderivative size = 104, normalized size of antiderivative = 2.36 \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=\frac {A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 4 \, {\left (-i \, A a - B a\right )} \log \left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + i\right ) + 2 \, {\left (i \, A a + B a\right )} \log \left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right ) + \frac {-2 i \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 2 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - A a}{\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )}}{2 \, d} \]
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Time = 7.23 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.89 \[ \int \cot ^2(c+d x) (a+i a \tan (c+d x)) (A+B \tan (c+d x)) \, dx=-\frac {A\,a\,\mathrm {cot}\left (c+d\,x\right )}{d}+\frac {a\,\mathrm {atan}\left (2\,\mathrm {tan}\left (c+d\,x\right )+1{}\mathrm {i}\right )\,\left (B+A\,1{}\mathrm {i}\right )\,2{}\mathrm {i}}{d} \]
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