Integrand size = 32, antiderivative size = 131 \[ \int \frac {\cot (c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=-\frac {(7 i A-B) x}{8 a^3}+\frac {A \log (\sin (c+d x))}{a^3 d}+\frac {A+i B}{6 d (a+i a \tan (c+d x))^3}+\frac {3 A+i B}{8 a d (a+i a \tan (c+d x))^2}+\frac {7 A+i B}{8 d \left (a^3+i a^3 \tan (c+d x)\right )} \]
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Time = 0.58 (sec) , antiderivative size = 131, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.094, Rules used = {3677, 3612, 3556} \[ \int \frac {\cot (c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=\frac {7 A+i B}{8 d \left (a^3+i a^3 \tan (c+d x)\right )}-\frac {x (-B+7 i A)}{8 a^3}+\frac {A \log (\sin (c+d x))}{a^3 d}+\frac {A+i B}{6 d (a+i a \tan (c+d x))^3}+\frac {3 A+i B}{8 a d (a+i a \tan (c+d x))^2} \]
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Rule 3556
Rule 3612
Rule 3677
Rubi steps \begin{align*} \text {integral}& = \frac {A+i B}{6 d (a+i a \tan (c+d x))^3}+\frac {\int \frac {\cot (c+d x) (6 a A-3 a (i A-B) \tan (c+d x))}{(a+i a \tan (c+d x))^2} \, dx}{6 a^2} \\ & = \frac {A+i B}{6 d (a+i a \tan (c+d x))^3}+\frac {3 A+i B}{8 a d (a+i a \tan (c+d x))^2}+\frac {\int \frac {\cot (c+d x) \left (24 a^2 A-6 a^2 (3 i A-B) \tan (c+d x)\right )}{a+i a \tan (c+d x)} \, dx}{24 a^4} \\ & = \frac {A+i B}{6 d (a+i a \tan (c+d x))^3}+\frac {3 A+i B}{8 a d (a+i a \tan (c+d x))^2}+\frac {7 A+i B}{8 d \left (a^3+i a^3 \tan (c+d x)\right )}+\frac {\int \cot (c+d x) \left (48 a^3 A-6 a^3 (7 i A-B) \tan (c+d x)\right ) \, dx}{48 a^6} \\ & = -\frac {(7 i A-B) x}{8 a^3}+\frac {A+i B}{6 d (a+i a \tan (c+d x))^3}+\frac {3 A+i B}{8 a d (a+i a \tan (c+d x))^2}+\frac {7 A+i B}{8 d \left (a^3+i a^3 \tan (c+d x)\right )}+\frac {A \int \cot (c+d x) \, dx}{a^3} \\ & = -\frac {(7 i A-B) x}{8 a^3}+\frac {A \log (\sin (c+d x))}{a^3 d}+\frac {A+i B}{6 d (a+i a \tan (c+d x))^3}+\frac {3 A+i B}{8 a d (a+i a \tan (c+d x))^2}+\frac {7 A+i B}{8 d \left (a^3+i a^3 \tan (c+d x)\right )} \\ \end{align*}
Time = 1.60 (sec) , antiderivative size = 132, normalized size of antiderivative = 1.01 \[ \int \frac {\cot (c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=\frac {-3 (15 A+i B) \log (i-\tan (c+d x))+48 A \log (\tan (c+d x))-3 (A-i B) \log (i+\tan (c+d x))+\frac {8 i (A+i B)}{(-i+\tan (c+d x))^3}-\frac {6 (3 A+i B)}{(-i+\tan (c+d x))^2}+\frac {6 (-7 i A+B)}{-i+\tan (c+d x)}}{48 a^3 d} \]
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Time = 0.19 (sec) , antiderivative size = 159, normalized size of antiderivative = 1.21
method | result | size |
risch | \(\frac {x B}{8 a^{3}}-\frac {15 i x A}{8 a^{3}}+\frac {3 i {\mathrm e}^{-2 i \left (d x +c \right )} B}{16 a^{3} d}+\frac {11 \,{\mathrm e}^{-2 i \left (d x +c \right )} A}{16 a^{3} d}+\frac {3 i {\mathrm e}^{-4 i \left (d x +c \right )} B}{32 a^{3} d}+\frac {5 \,{\mathrm e}^{-4 i \left (d x +c \right )} A}{32 a^{3} d}+\frac {i {\mathrm e}^{-6 i \left (d x +c \right )} B}{48 a^{3} d}+\frac {{\mathrm e}^{-6 i \left (d x +c \right )} A}{48 a^{3} d}-\frac {2 i A c}{a^{3} d}+\frac {A \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )}{a^{3} d}\) | \(159\) |
derivativedivides | \(-\frac {A \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2 a^{3} d}-\frac {7 i A \arctan \left (\tan \left (d x +c \right )\right )}{8 d \,a^{3}}+\frac {B \arctan \left (\tan \left (d x +c \right )\right )}{8 d \,a^{3}}+\frac {i A}{6 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{3}}-\frac {B}{6 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{3}}+\frac {B}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )}-\frac {7 i A}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )}-\frac {3 A}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{2}}-\frac {i B}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{2}}+\frac {A \ln \left (\tan \left (d x +c \right )\right )}{a^{3} d}\) | \(193\) |
default | \(-\frac {A \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2 a^{3} d}-\frac {7 i A \arctan \left (\tan \left (d x +c \right )\right )}{8 d \,a^{3}}+\frac {B \arctan \left (\tan \left (d x +c \right )\right )}{8 d \,a^{3}}+\frac {i A}{6 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{3}}-\frac {B}{6 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{3}}+\frac {B}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )}-\frac {7 i A}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )}-\frac {3 A}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{2}}-\frac {i B}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{2}}+\frac {A \ln \left (\tan \left (d x +c \right )\right )}{a^{3} d}\) | \(193\) |
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Time = 0.26 (sec) , antiderivative size = 104, normalized size of antiderivative = 0.79 \[ \int \frac {\cot (c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=-\frac {{\left (12 \, {\left (15 i \, A - B\right )} d x e^{\left (6 i \, d x + 6 i \, c\right )} - 96 \, A e^{\left (6 i \, d x + 6 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} - 1\right ) - 6 \, {\left (11 \, A + 3 i \, B\right )} e^{\left (4 i \, d x + 4 i \, c\right )} - 3 \, {\left (5 \, A + 3 i \, B\right )} e^{\left (2 i \, d x + 2 i \, c\right )} - 2 \, A - 2 i \, B\right )} e^{\left (-6 i \, d x - 6 i \, c\right )}}{96 \, a^{3} d} \]
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Time = 0.39 (sec) , antiderivative size = 292, normalized size of antiderivative = 2.23 \[ \int \frac {\cot (c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=\frac {A \log {\left (e^{2 i d x} - e^{- 2 i c} \right )}}{a^{3} d} + \begin {cases} \frac {\left (\left (512 A a^{6} d^{2} e^{6 i c} + 512 i B a^{6} d^{2} e^{6 i c}\right ) e^{- 6 i d x} + \left (3840 A a^{6} d^{2} e^{8 i c} + 2304 i B a^{6} d^{2} e^{8 i c}\right ) e^{- 4 i d x} + \left (16896 A a^{6} d^{2} e^{10 i c} + 4608 i B a^{6} d^{2} e^{10 i c}\right ) e^{- 2 i d x}\right ) e^{- 12 i c}}{24576 a^{9} d^{3}} & \text {for}\: a^{9} d^{3} e^{12 i c} \neq 0 \\x \left (- \frac {- 15 i A + B}{8 a^{3}} + \frac {\left (- 15 i A e^{6 i c} - 11 i A e^{4 i c} - 5 i A e^{2 i c} - i A + B e^{6 i c} + 3 B e^{4 i c} + 3 B e^{2 i c} + B\right ) e^{- 6 i c}}{8 a^{3}}\right ) & \text {otherwise} \end {cases} + \frac {x \left (- 15 i A + B\right )}{8 a^{3}} \]
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Exception generated. \[ \int \frac {\cot (c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=\text {Exception raised: RuntimeError} \]
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Time = 0.95 (sec) , antiderivative size = 143, normalized size of antiderivative = 1.09 \[ \int \frac {\cot (c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=-\frac {\frac {6 \, {\left (A - i \, B\right )} \log \left (\tan \left (d x + c\right ) + i\right )}{a^{3}} + \frac {6 \, {\left (15 \, A + i \, B\right )} \log \left (\tan \left (d x + c\right ) - i\right )}{a^{3}} - \frac {96 \, A \log \left (\tan \left (d x + c\right )\right )}{a^{3}} - \frac {165 \, A \tan \left (d x + c\right )^{3} + 11 i \, B \tan \left (d x + c\right )^{3} - 579 i \, A \tan \left (d x + c\right )^{2} + 45 \, B \tan \left (d x + c\right )^{2} - 699 \, A \tan \left (d x + c\right ) - 69 i \, B \tan \left (d x + c\right ) + 301 i \, A - 51 \, B}{a^{3} {\left (\tan \left (d x + c\right ) - i\right )}^{3}}}{96 \, d} \]
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Time = 8.30 (sec) , antiderivative size = 164, normalized size of antiderivative = 1.25 \[ \int \frac {\cot (c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=\frac {\frac {17\,A}{12\,a^3}-{\mathrm {tan}\left (c+d\,x\right )}^2\,\left (\frac {7\,A}{8\,a^3}+\frac {B\,1{}\mathrm {i}}{8\,a^3}\right )+\frac {B\,5{}\mathrm {i}}{12\,a^3}+\mathrm {tan}\left (c+d\,x\right )\,\left (-\frac {3\,B}{8\,a^3}+\frac {A\,17{}\mathrm {i}}{8\,a^3}\right )}{d\,\left (-{\mathrm {tan}\left (c+d\,x\right )}^3\,1{}\mathrm {i}-3\,{\mathrm {tan}\left (c+d\,x\right )}^2+\mathrm {tan}\left (c+d\,x\right )\,3{}\mathrm {i}+1\right )}+\frac {A\,\ln \left (\mathrm {tan}\left (c+d\,x\right )\right )}{a^3\,d}+\frac {\ln \left (\mathrm {tan}\left (c+d\,x\right )+1{}\mathrm {i}\right )\,\left (B+A\,1{}\mathrm {i}\right )\,1{}\mathrm {i}}{16\,a^3\,d}-\frac {\ln \left (\mathrm {tan}\left (c+d\,x\right )-\mathrm {i}\right )\,\left (15\,A+B\,1{}\mathrm {i}\right )}{16\,a^3\,d} \]
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