Integrand size = 26, antiderivative size = 35 \[ \int \cos ^5(c+d x) (a+i a \tan (c+d x))^{7/2} \, dx=-\frac {2 i a \cos ^5(c+d x) (a+i a \tan (c+d x))^{5/2}}{5 d} \]
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Time = 0.08 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.038, Rules used = {3574} \[ \int \cos ^5(c+d x) (a+i a \tan (c+d x))^{7/2} \, dx=-\frac {2 i a \cos ^5(c+d x) (a+i a \tan (c+d x))^{5/2}}{5 d} \]
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Rule 3574
Rubi steps \begin{align*} \text {integral}& = -\frac {2 i a \cos ^5(c+d x) (a+i a \tan (c+d x))^{5/2}}{5 d} \\ \end{align*}
Both result and optimal contain complex but leaf count is larger than twice the leaf count of optimal. \(73\) vs. \(2(35)=70\).
Time = 1.31 (sec) , antiderivative size = 73, normalized size of antiderivative = 2.09 \[ \int \cos ^5(c+d x) (a+i a \tan (c+d x))^{7/2} \, dx=\frac {2 a^3 \cos ^3(c+d x) (-i \cos (2 c+5 d x)+\sin (2 c+5 d x)) \sqrt {a+i a \tan (c+d x)}}{5 d (\cos (d x)+i \sin (d x))^3} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 62 vs. \(2 (29 ) = 58\).
Time = 4.06 (sec) , antiderivative size = 63, normalized size of antiderivative = 1.80
\[\frac {2 \left (-\tan \left (d x +c \right )+i\right )^{3} \sqrt {a \left (1+i \tan \left (d x +c \right )\right )}\, a^{3} \left (-i \left (\cos ^{6}\left (d x +c \right )\right ) \sin \left (d x +c \right )+\cos ^{7}\left (d x +c \right )\right )}{5 d}\]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 73 vs. \(2 (27) = 54\).
Time = 0.26 (sec) , antiderivative size = 73, normalized size of antiderivative = 2.09 \[ \int \cos ^5(c+d x) (a+i a \tan (c+d x))^{7/2} \, dx=\frac {\sqrt {2} {\left (-i \, a^{3} e^{\left (6 i \, d x + 6 i \, c\right )} - 3 i \, a^{3} e^{\left (4 i \, d x + 4 i \, c\right )} - 3 i \, a^{3} e^{\left (2 i \, d x + 2 i \, c\right )} - i \, a^{3}\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}}}{20 \, d} \]
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Timed out. \[ \int \cos ^5(c+d x) (a+i a \tan (c+d x))^{7/2} \, dx=\text {Timed out} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 454 vs. \(2 (27) = 54\).
Time = 0.69 (sec) , antiderivative size = 454, normalized size of antiderivative = 12.97 \[ \int \cos ^5(c+d x) (a+i a \tan (c+d x))^{7/2} \, dx=\frac {2 \, {\left (i \, a^{\frac {7}{2}} - \frac {6 i \, a^{\frac {7}{2}} \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + \frac {15 i \, a^{\frac {7}{2}} \sin \left (d x + c\right )^{4}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{4}} - \frac {20 i \, a^{\frac {7}{2}} \sin \left (d x + c\right )^{6}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{6}} + \frac {15 i \, a^{\frac {7}{2}} \sin \left (d x + c\right )^{8}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{8}} - \frac {6 i \, a^{\frac {7}{2}} \sin \left (d x + c\right )^{10}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{10}} + \frac {i \, a^{\frac {7}{2}} \sin \left (d x + c\right )^{12}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{12}}\right )} {\left (-\frac {2 i \, \sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} + \frac {\sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} - 1\right )}^{\frac {7}{2}}}{-5 \, d {\left (\frac {\sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} + 1\right )}^{\frac {7}{2}} {\left (\frac {\sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} - 1\right )}^{\frac {7}{2}} {\left (\frac {2 i \, \sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} + \frac {4 \, \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + \frac {10 i \, \sin \left (d x + c\right )^{3}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{3}} + \frac {5 \, \sin \left (d x + c\right )^{4}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{4}} + \frac {20 i \, \sin \left (d x + c\right )^{5}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{5}} + \frac {20 i \, \sin \left (d x + c\right )^{7}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{7}} - \frac {5 \, \sin \left (d x + c\right )^{8}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{8}} + \frac {10 i \, \sin \left (d x + c\right )^{9}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{9}} - \frac {4 \, \sin \left (d x + c\right )^{10}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{10}} + \frac {2 i \, \sin \left (d x + c\right )^{11}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{11}} - \frac {\sin \left (d x + c\right )^{12}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{12}} + 1\right )}} \]
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\[ \int \cos ^5(c+d x) (a+i a \tan (c+d x))^{7/2} \, dx=\int { {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {7}{2}} \cos \left (d x + c\right )^{5} \,d x } \]
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Time = 5.76 (sec) , antiderivative size = 112, normalized size of antiderivative = 3.20 \[ \int \cos ^5(c+d x) (a+i a \tan (c+d x))^{7/2} \, dx=-\frac {a^3\,\sqrt {\frac {a\,\left (\cos \left (2\,c+2\,d\,x\right )+1+\sin \left (2\,c+2\,d\,x\right )\,1{}\mathrm {i}\right )}{\cos \left (2\,c+2\,d\,x\right )+1}}\,\left (-2\,\sin \left (c+d\,x\right )-3\,\sin \left (3\,c+3\,d\,x\right )-\sin \left (5\,c+5\,d\,x\right )+\cos \left (c+d\,x\right )\,4{}\mathrm {i}+\cos \left (3\,c+3\,d\,x\right )\,3{}\mathrm {i}+\cos \left (5\,c+5\,d\,x\right )\,1{}\mathrm {i}\right )}{20\,d} \]
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