Integrand size = 24, antiderivative size = 101 \[ \int \cos ^7(c+d x) (a+i a \tan (c+d x))^5 \, dx=-\frac {2 i a^2 \cos ^3(c+d x) (a+i a \tan (c+d x))^3}{105 d}-\frac {2 i a \cos ^5(c+d x) (a+i a \tan (c+d x))^4}{35 d}-\frac {i \cos ^7(c+d x) (a+i a \tan (c+d x))^5}{7 d} \]
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Time = 0.14 (sec) , antiderivative size = 101, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {3578, 3569} \[ \int \cos ^7(c+d x) (a+i a \tan (c+d x))^5 \, dx=-\frac {2 i a^2 \cos ^3(c+d x) (a+i a \tan (c+d x))^3}{105 d}-\frac {i \cos ^7(c+d x) (a+i a \tan (c+d x))^5}{7 d}-\frac {2 i a \cos ^5(c+d x) (a+i a \tan (c+d x))^4}{35 d} \]
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Rule 3569
Rule 3578
Rubi steps \begin{align*} \text {integral}& = -\frac {i \cos ^7(c+d x) (a+i a \tan (c+d x))^5}{7 d}+\frac {1}{7} (2 a) \int \cos ^5(c+d x) (a+i a \tan (c+d x))^4 \, dx \\ & = -\frac {2 i a \cos ^5(c+d x) (a+i a \tan (c+d x))^4}{35 d}-\frac {i \cos ^7(c+d x) (a+i a \tan (c+d x))^5}{7 d}+\frac {1}{35} \left (2 a^2\right ) \int \cos ^3(c+d x) (a+i a \tan (c+d x))^3 \, dx \\ & = -\frac {2 i a^2 \cos ^3(c+d x) (a+i a \tan (c+d x))^3}{105 d}-\frac {2 i a \cos ^5(c+d x) (a+i a \tan (c+d x))^4}{35 d}-\frac {i \cos ^7(c+d x) (a+i a \tan (c+d x))^5}{7 d} \\ \end{align*}
Time = 0.61 (sec) , antiderivative size = 122, normalized size of antiderivative = 1.21 \[ \int \cos ^7(c+d x) (a+i a \tan (c+d x))^5 \, dx=\frac {a^5 \sec (c+d x) (-i \cos (4 (c+d x))+\sin (4 (c+d x))) \left (77+92 \cos (2 (c+d x))+\left (15+416 \sqrt {\cos ^2(c+d x)}\right ) \cos (4 (c+d x))+22 i \sin (2 (c+d x))+15 i \sin (4 (c+d x))-416 i \sqrt {\cos ^2(c+d x)} \sin (4 (c+d x))\right )}{840 d} \]
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Time = 212.04 (sec) , antiderivative size = 56, normalized size of antiderivative = 0.55
method | result | size |
risch | \(-\frac {i a^{5} {\mathrm e}^{7 i \left (d x +c \right )}}{28 d}-\frac {i a^{5} {\mathrm e}^{5 i \left (d x +c \right )}}{10 d}-\frac {i a^{5} {\mathrm e}^{3 i \left (d x +c \right )}}{12 d}\) | \(56\) |
derivativedivides | \(\frac {i a^{5} \left (-\frac {\left (\cos ^{3}\left (d x +c \right )\right ) \left (\sin ^{4}\left (d x +c \right )\right )}{7}-\frac {4 \left (\cos ^{3}\left (d x +c \right )\right ) \left (\sin ^{2}\left (d x +c \right )\right )}{35}-\frac {8 \left (\cos ^{3}\left (d x +c \right )\right )}{105}\right )+5 a^{5} \left (-\frac {\left (\sin ^{3}\left (d x +c \right )\right ) \left (\cos ^{4}\left (d x +c \right )\right )}{7}-\frac {3 \sin \left (d x +c \right ) \left (\cos ^{4}\left (d x +c \right )\right )}{35}+\frac {\left (2+\cos ^{2}\left (d x +c \right )\right ) \sin \left (d x +c \right )}{35}\right )-10 i a^{5} \left (-\frac {\left (\cos ^{5}\left (d x +c \right )\right ) \left (\sin ^{2}\left (d x +c \right )\right )}{7}-\frac {2 \left (\cos ^{5}\left (d x +c \right )\right )}{35}\right )-10 a^{5} \left (-\frac {\sin \left (d x +c \right ) \left (\cos ^{6}\left (d x +c \right )\right )}{7}+\frac {\left (\frac {8}{3}+\cos ^{4}\left (d x +c \right )+\frac {4 \left (\cos ^{2}\left (d x +c \right )\right )}{3}\right ) \sin \left (d x +c \right )}{35}\right )-\frac {5 i a^{5} \left (\cos ^{7}\left (d x +c \right )\right )}{7}+\frac {a^{5} \left (\frac {16}{5}+\cos ^{6}\left (d x +c \right )+\frac {6 \left (\cos ^{4}\left (d x +c \right )\right )}{5}+\frac {8 \left (\cos ^{2}\left (d x +c \right )\right )}{5}\right ) \sin \left (d x +c \right )}{7}}{d}\) | \(257\) |
default | \(\frac {i a^{5} \left (-\frac {\left (\cos ^{3}\left (d x +c \right )\right ) \left (\sin ^{4}\left (d x +c \right )\right )}{7}-\frac {4 \left (\cos ^{3}\left (d x +c \right )\right ) \left (\sin ^{2}\left (d x +c \right )\right )}{35}-\frac {8 \left (\cos ^{3}\left (d x +c \right )\right )}{105}\right )+5 a^{5} \left (-\frac {\left (\sin ^{3}\left (d x +c \right )\right ) \left (\cos ^{4}\left (d x +c \right )\right )}{7}-\frac {3 \sin \left (d x +c \right ) \left (\cos ^{4}\left (d x +c \right )\right )}{35}+\frac {\left (2+\cos ^{2}\left (d x +c \right )\right ) \sin \left (d x +c \right )}{35}\right )-10 i a^{5} \left (-\frac {\left (\cos ^{5}\left (d x +c \right )\right ) \left (\sin ^{2}\left (d x +c \right )\right )}{7}-\frac {2 \left (\cos ^{5}\left (d x +c \right )\right )}{35}\right )-10 a^{5} \left (-\frac {\sin \left (d x +c \right ) \left (\cos ^{6}\left (d x +c \right )\right )}{7}+\frac {\left (\frac {8}{3}+\cos ^{4}\left (d x +c \right )+\frac {4 \left (\cos ^{2}\left (d x +c \right )\right )}{3}\right ) \sin \left (d x +c \right )}{35}\right )-\frac {5 i a^{5} \left (\cos ^{7}\left (d x +c \right )\right )}{7}+\frac {a^{5} \left (\frac {16}{5}+\cos ^{6}\left (d x +c \right )+\frac {6 \left (\cos ^{4}\left (d x +c \right )\right )}{5}+\frac {8 \left (\cos ^{2}\left (d x +c \right )\right )}{5}\right ) \sin \left (d x +c \right )}{7}}{d}\) | \(257\) |
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Time = 0.24 (sec) , antiderivative size = 48, normalized size of antiderivative = 0.48 \[ \int \cos ^7(c+d x) (a+i a \tan (c+d x))^5 \, dx=\frac {-15 i \, a^{5} e^{\left (7 i \, d x + 7 i \, c\right )} - 42 i \, a^{5} e^{\left (5 i \, d x + 5 i \, c\right )} - 35 i \, a^{5} e^{\left (3 i \, d x + 3 i \, c\right )}}{420 \, d} \]
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Time = 0.32 (sec) , antiderivative size = 121, normalized size of antiderivative = 1.20 \[ \int \cos ^7(c+d x) (a+i a \tan (c+d x))^5 \, dx=\begin {cases} \frac {- 120 i a^{5} d^{2} e^{7 i c} e^{7 i d x} - 336 i a^{5} d^{2} e^{5 i c} e^{5 i d x} - 280 i a^{5} d^{2} e^{3 i c} e^{3 i d x}}{3360 d^{3}} & \text {for}\: d^{3} \neq 0 \\x \left (\frac {a^{5} e^{7 i c}}{4} + \frac {a^{5} e^{5 i c}}{2} + \frac {a^{5} e^{3 i c}}{4}\right ) & \text {otherwise} \end {cases} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 187 vs. \(2 (83) = 166\).
Time = 0.41 (sec) , antiderivative size = 187, normalized size of antiderivative = 1.85 \[ \int \cos ^7(c+d x) (a+i a \tan (c+d x))^5 \, dx=-\frac {75 i \, a^{5} \cos \left (d x + c\right )^{7} + i \, {\left (15 \, \cos \left (d x + c\right )^{7} - 42 \, \cos \left (d x + c\right )^{5} + 35 \, \cos \left (d x + c\right )^{3}\right )} a^{5} + 30 i \, {\left (5 \, \cos \left (d x + c\right )^{7} - 7 \, \cos \left (d x + c\right )^{5}\right )} a^{5} + 10 \, {\left (15 \, \sin \left (d x + c\right )^{7} - 42 \, \sin \left (d x + c\right )^{5} + 35 \, \sin \left (d x + c\right )^{3}\right )} a^{5} + 15 \, {\left (5 \, \sin \left (d x + c\right )^{7} - 7 \, \sin \left (d x + c\right )^{5}\right )} a^{5} + 3 \, {\left (5 \, \sin \left (d x + c\right )^{7} - 21 \, \sin \left (d x + c\right )^{5} + 35 \, \sin \left (d x + c\right )^{3} - 35 \, \sin \left (d x + c\right )\right )} a^{5}}{105 \, d} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 1697 vs. \(2 (83) = 166\).
Time = 0.94 (sec) , antiderivative size = 1697, normalized size of antiderivative = 16.80 \[ \int \cos ^7(c+d x) (a+i a \tan (c+d x))^5 \, dx=\text {Too large to display} \]
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Time = 4.71 (sec) , antiderivative size = 186, normalized size of antiderivative = 1.84 \[ \int \cos ^7(c+d x) (a+i a \tan (c+d x))^5 \, dx=-\frac {2\,a^5\,\left (105\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^6+{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^5\,210{}\mathrm {i}-455\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4-{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^3\,350{}\mathrm {i}+273\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2+\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\,56{}\mathrm {i}-23\right )}{105\,d\,\left (-{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^7-{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^6\,7{}\mathrm {i}+21\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^5+{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4\,35{}\mathrm {i}-35\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^3-{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2\,21{}\mathrm {i}+7\,\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )+1{}\mathrm {i}\right )} \]
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