Integrand size = 28, antiderivative size = 122 \[ \int \frac {1}{(e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2} \, dx=\frac {6 \cos ^{\frac {7}{2}}(c+d x) E\left (\left .\frac {1}{2} (c+d x)\right |2\right )}{a^2 d (e \cos (c+d x))^{7/2}}-\frac {6 \cos ^3(c+d x) \sin (c+d x)}{a^2 d (e \cos (c+d x))^{7/2}}+\frac {4 i \cos ^2(c+d x)}{d (e \cos (c+d x))^{7/2} \left (a^2+i a^2 \tan (c+d x)\right )} \]
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Time = 0.25 (sec) , antiderivative size = 122, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.179, Rules used = {3596, 3581, 3853, 3856, 2719} \[ \int \frac {1}{(e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2} \, dx=\frac {6 \cos ^{\frac {7}{2}}(c+d x) E\left (\left .\frac {1}{2} (c+d x)\right |2\right )}{a^2 d (e \cos (c+d x))^{7/2}}-\frac {6 \sin (c+d x) \cos ^3(c+d x)}{a^2 d (e \cos (c+d x))^{7/2}}+\frac {4 i \cos ^2(c+d x)}{d \left (a^2+i a^2 \tan (c+d x)\right ) (e \cos (c+d x))^{7/2}} \]
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Rule 2719
Rule 3581
Rule 3596
Rule 3853
Rule 3856
Rubi steps \begin{align*} \text {integral}& = \frac {\int \frac {(e \sec (c+d x))^{7/2}}{(a+i a \tan (c+d x))^2} \, dx}{(e \cos (c+d x))^{7/2} (e \sec (c+d x))^{7/2}} \\ & = \frac {4 i \cos ^2(c+d x)}{d (e \cos (c+d x))^{7/2} \left (a^2+i a^2 \tan (c+d x)\right )}-\frac {\left (3 e^2\right ) \int (e \sec (c+d x))^{3/2} \, dx}{a^2 (e \cos (c+d x))^{7/2} (e \sec (c+d x))^{7/2}} \\ & = -\frac {6 \cos ^3(c+d x) \sin (c+d x)}{a^2 d (e \cos (c+d x))^{7/2}}+\frac {4 i \cos ^2(c+d x)}{d (e \cos (c+d x))^{7/2} \left (a^2+i a^2 \tan (c+d x)\right )}+\frac {\left (3 e^4\right ) \int \frac {1}{\sqrt {e \sec (c+d x)}} \, dx}{a^2 (e \cos (c+d x))^{7/2} (e \sec (c+d x))^{7/2}} \\ & = -\frac {6 \cos ^3(c+d x) \sin (c+d x)}{a^2 d (e \cos (c+d x))^{7/2}}+\frac {4 i \cos ^2(c+d x)}{d (e \cos (c+d x))^{7/2} \left (a^2+i a^2 \tan (c+d x)\right )}+\frac {\left (3 \cos ^{\frac {7}{2}}(c+d x)\right ) \int \sqrt {\cos (c+d x)} \, dx}{a^2 (e \cos (c+d x))^{7/2}} \\ & = \frac {6 \cos ^{\frac {7}{2}}(c+d x) E\left (\left .\frac {1}{2} (c+d x)\right |2\right )}{a^2 d (e \cos (c+d x))^{7/2}}-\frac {6 \cos ^3(c+d x) \sin (c+d x)}{a^2 d (e \cos (c+d x))^{7/2}}+\frac {4 i \cos ^2(c+d x)}{d (e \cos (c+d x))^{7/2} \left (a^2+i a^2 \tan (c+d x)\right )} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 7.39 (sec) , antiderivative size = 1106, normalized size of antiderivative = 9.07 \[ \int \frac {1}{(e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2} \, dx=\frac {\sqrt {\cos (c+d x)} (\cos (d x)+i \sin (d x))^2 \left (-2 i \cos (c-d x) \sqrt {\cos (c+d x)}+2 \sqrt {\cos (c+d x)} \sin (c-d x)\right )}{d (e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2}+\frac {3 \cos (c) \cos ^{\frac {3}{2}}(c+d x) (\cos (d x)+i \sin (d x))^2 \left (-\frac {\cos (d x-\arctan (\cot (c))) \cot (c) \, _2F_1\left (-\frac {1}{2},-\frac {1}{4};\frac {3}{4};\sin ^2(d x-\arctan (\cot (c)))\right )}{\sqrt {1+\cot ^2(c)} \sqrt {1-\sin (d x-\arctan (\cot (c)))} \sqrt {-\sqrt {1+\cot ^2(c)} \sin (c) \sin (d x-\arctan (\cot (c)))} \sqrt {1+\sin (d x-\arctan (\cot (c)))}}+\frac {\frac {\cos (d x-\arctan (\cot (c))) \cot (c)}{\sqrt {1+\cot ^2(c)}}+\frac {2 \sqrt {1+\cot ^2(c)} \sin ^2(c) \sin (d x-\arctan (\cot (c)))}{\cos ^2(c)+\sin ^2(c)}}{\sqrt {-\sqrt {1+\cot ^2(c)} \sin (c) \sin (d x-\arctan (\cot (c)))}}\right )}{d (e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2}+\frac {3 i \cos ^{\frac {3}{2}}(c+d x) \sin (c) (\cos (d x)+i \sin (d x))^2 \left (-\frac {\cos (d x-\arctan (\cot (c))) \cot (c) \, _2F_1\left (-\frac {1}{2},-\frac {1}{4};\frac {3}{4};\sin ^2(d x-\arctan (\cot (c)))\right )}{\sqrt {1+\cot ^2(c)} \sqrt {1-\sin (d x-\arctan (\cot (c)))} \sqrt {-\sqrt {1+\cot ^2(c)} \sin (c) \sin (d x-\arctan (\cot (c)))} \sqrt {1+\sin (d x-\arctan (\cot (c)))}}+\frac {\frac {\cos (d x-\arctan (\cot (c))) \cot (c)}{\sqrt {1+\cot ^2(c)}}+\frac {2 \sqrt {1+\cot ^2(c)} \sin ^2(c) \sin (d x-\arctan (\cot (c)))}{\cos ^2(c)+\sin ^2(c)}}{\sqrt {-\sqrt {1+\cot ^2(c)} \sin (c) \sin (d x-\arctan (\cot (c)))}}\right )}{d (e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2}-\frac {3 i \cos (c) \cos ^{\frac {3}{2}}(c+d x) (\cos (d x)+i \sin (d x))^2 \left (\frac {\, _2F_1\left (-\frac {1}{2},-\frac {1}{4};\frac {3}{4};\cos ^2(d x+\arctan (\tan (c)))\right ) \sin (d x+\arctan (\tan (c))) \tan (c)}{\sqrt {1-\cos (d x+\arctan (\tan (c)))} \sqrt {1+\cos (d x+\arctan (\tan (c)))} \sqrt {\cos (c) \cos (d x+\arctan (\tan (c))) \sqrt {1+\tan ^2(c)}} \sqrt {1+\tan ^2(c)}}-\frac {\frac {\sin (d x+\arctan (\tan (c))) \tan (c)}{\sqrt {1+\tan ^2(c)}}+\frac {2 \cos ^2(c) \cos (d x+\arctan (\tan (c))) \sqrt {1+\tan ^2(c)}}{\cos ^2(c)+\sin ^2(c)}}{\sqrt {\cos (c) \cos (d x+\arctan (\tan (c))) \sqrt {1+\tan ^2(c)}}}\right )}{d (e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2}+\frac {3 \cos ^{\frac {3}{2}}(c+d x) \sin (c) (\cos (d x)+i \sin (d x))^2 \left (\frac {\, _2F_1\left (-\frac {1}{2},-\frac {1}{4};\frac {3}{4};\cos ^2(d x+\arctan (\tan (c)))\right ) \sin (d x+\arctan (\tan (c))) \tan (c)}{\sqrt {1-\cos (d x+\arctan (\tan (c)))} \sqrt {1+\cos (d x+\arctan (\tan (c)))} \sqrt {\cos (c) \cos (d x+\arctan (\tan (c))) \sqrt {1+\tan ^2(c)}} \sqrt {1+\tan ^2(c)}}-\frac {\frac {\sin (d x+\arctan (\tan (c))) \tan (c)}{\sqrt {1+\tan ^2(c)}}+\frac {2 \cos ^2(c) \cos (d x+\arctan (\tan (c))) \sqrt {1+\tan ^2(c)}}{\cos ^2(c)+\sin ^2(c)}}{\sqrt {\cos (c) \cos (d x+\arctan (\tan (c))) \sqrt {1+\tan ^2(c)}}}\right )}{d (e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2} \]
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Time = 3.72 (sec) , antiderivative size = 135, normalized size of antiderivative = 1.11
method | result | size |
default | \(-\frac {2 \left (4 i \left (\sin ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+2 \cos \left (\frac {d x}{2}+\frac {c}{2}\right ) \left (\sin ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-3 E\left (\cos \left (\frac {d x}{2}+\frac {c}{2}\right ), \sqrt {2}\right ) \sqrt {2 \left (\sin ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-1}\, \sqrt {\frac {1}{2}-\frac {\cos \left (d x +c \right )}{2}}-2 i \sin \left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{e^{3} a^{2} \sin \left (\frac {d x}{2}+\frac {c}{2}\right ) \sqrt {-2 \left (\sin ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right ) e +e}\, d}\) | \(135\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.08 (sec) , antiderivative size = 113, normalized size of antiderivative = 0.93 \[ \int \frac {1}{(e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2} \, dx=-\frac {2 \, {\left (2 \, \sqrt {\frac {1}{2}} \sqrt {e e^{\left (2 i \, d x + 2 i \, c\right )} + e} {\left (-3 i \, e^{\left (2 i \, d x + 2 i \, c\right )} - 2 i\right )} e^{\left (-\frac {1}{2} i \, d x - \frac {1}{2} i \, c\right )} + 3 \, {\left (-i \, \sqrt {2} e^{\left (2 i \, d x + 2 i \, c\right )} - i \, \sqrt {2}\right )} \sqrt {e} {\rm weierstrassZeta}\left (-4, 0, {\rm weierstrassPInverse}\left (-4, 0, e^{\left (i \, d x + i \, c\right )}\right )\right )\right )}}{a^{2} d e^{4} e^{\left (2 i \, d x + 2 i \, c\right )} + a^{2} d e^{4}} \]
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Timed out. \[ \int \frac {1}{(e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2} \, dx=\text {Timed out} \]
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Exception generated. \[ \int \frac {1}{(e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2} \, dx=\text {Exception raised: RuntimeError} \]
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\[ \int \frac {1}{(e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2} \, dx=\int { \frac {1}{\left (e \cos \left (d x + c\right )\right )^{\frac {7}{2}} {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{2}} \,d x } \]
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Timed out. \[ \int \frac {1}{(e \cos (c+d x))^{7/2} (a+i a \tan (c+d x))^2} \, dx=\int \frac {1}{{\left (e\,\cos \left (c+d\,x\right )\right )}^{7/2}\,{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^2} \,d x \]
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