Integrand size = 24, antiderivative size = 144 \[ \int \cos ^{10}(c+d x) (a+i a \tan (c+d x))^5 \, dx=\frac {a^5 x}{32}-\frac {i a^{10}}{10 d (a-i a \tan (c+d x))^5}-\frac {i a^9}{16 d (a-i a \tan (c+d x))^4}-\frac {i a^8}{24 d (a-i a \tan (c+d x))^3}-\frac {i a^7}{32 d (a-i a \tan (c+d x))^2}-\frac {i a^6}{32 d (a-i a \tan (c+d x))} \]
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Time = 0.11 (sec) , antiderivative size = 144, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {3568, 46, 212} \[ \int \cos ^{10}(c+d x) (a+i a \tan (c+d x))^5 \, dx=-\frac {i a^{10}}{10 d (a-i a \tan (c+d x))^5}-\frac {i a^9}{16 d (a-i a \tan (c+d x))^4}-\frac {i a^8}{24 d (a-i a \tan (c+d x))^3}-\frac {i a^7}{32 d (a-i a \tan (c+d x))^2}-\frac {i a^6}{32 d (a-i a \tan (c+d x))}+\frac {a^5 x}{32} \]
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Rule 46
Rule 212
Rule 3568
Rubi steps \begin{align*} \text {integral}& = -\frac {\left (i a^{11}\right ) \text {Subst}\left (\int \frac {1}{(a-x)^6 (a+x)} \, dx,x,i a \tan (c+d x)\right )}{d} \\ & = -\frac {\left (i a^{11}\right ) \text {Subst}\left (\int \left (\frac {1}{2 a (a-x)^6}+\frac {1}{4 a^2 (a-x)^5}+\frac {1}{8 a^3 (a-x)^4}+\frac {1}{16 a^4 (a-x)^3}+\frac {1}{32 a^5 (a-x)^2}+\frac {1}{32 a^5 \left (a^2-x^2\right )}\right ) \, dx,x,i a \tan (c+d x)\right )}{d} \\ & = -\frac {i a^{10}}{10 d (a-i a \tan (c+d x))^5}-\frac {i a^9}{16 d (a-i a \tan (c+d x))^4}-\frac {i a^8}{24 d (a-i a \tan (c+d x))^3}-\frac {i a^7}{32 d (a-i a \tan (c+d x))^2}-\frac {i a^6}{32 d (a-i a \tan (c+d x))}-\frac {\left (i a^6\right ) \text {Subst}\left (\int \frac {1}{a^2-x^2} \, dx,x,i a \tan (c+d x)\right )}{32 d} \\ & = \frac {a^5 x}{32}-\frac {i a^{10}}{10 d (a-i a \tan (c+d x))^5}-\frac {i a^9}{16 d (a-i a \tan (c+d x))^4}-\frac {i a^8}{24 d (a-i a \tan (c+d x))^3}-\frac {i a^7}{32 d (a-i a \tan (c+d x))^2}-\frac {i a^6}{32 d (a-i a \tan (c+d x))} \\ \end{align*}
Time = 0.33 (sec) , antiderivative size = 123, normalized size of antiderivative = 0.85 \[ \int \cos ^{10}(c+d x) (a+i a \tan (c+d x))^5 \, dx=\frac {a^5 \sec ^5(c+d x) (500 \cos (c+d x)+375 \cos (3 (c+d x))+149 \cos (5 (c+d x))-100 i \sin (c+d x)-225 i \sin (3 (c+d x))-125 i \sin (5 (c+d x))+120 \arctan (\tan (c+d x)) (i \cos (5 (c+d x))+\sin (5 (c+d x))))}{3840 d (i+\tan (c+d x))^5} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 330 vs. \(2 (122 ) = 244\).
Time = 0.70 (sec) , antiderivative size = 331, normalized size of antiderivative = 2.30
\[\frac {i a^{5} \left (-\frac {\left (\sin ^{4}\left (d x +c \right )\right ) \left (\cos ^{6}\left (d x +c \right )\right )}{10}-\frac {\left (\cos ^{6}\left (d x +c \right )\right ) \left (\sin ^{2}\left (d x +c \right )\right )}{20}-\frac {\left (\cos ^{6}\left (d x +c \right )\right )}{60}\right )+5 a^{5} \left (-\frac {\left (\sin ^{3}\left (d x +c \right )\right ) \left (\cos ^{7}\left (d x +c \right )\right )}{10}-\frac {3 \sin \left (d x +c \right ) \left (\cos ^{7}\left (d x +c \right )\right )}{80}+\frac {\left (\cos ^{5}\left (d x +c \right )+\frac {5 \left (\cos ^{3}\left (d x +c \right )\right )}{4}+\frac {15 \cos \left (d x +c \right )}{8}\right ) \sin \left (d x +c \right )}{160}+\frac {3 d x}{256}+\frac {3 c}{256}\right )-10 i a^{5} \left (-\frac {\left (\cos ^{8}\left (d x +c \right )\right ) \left (\sin ^{2}\left (d x +c \right )\right )}{10}-\frac {\left (\cos ^{8}\left (d x +c \right )\right )}{40}\right )-10 a^{5} \left (-\frac {\sin \left (d x +c \right ) \left (\cos ^{9}\left (d x +c \right )\right )}{10}+\frac {\left (\cos ^{7}\left (d x +c \right )+\frac {7 \left (\cos ^{5}\left (d x +c \right )\right )}{6}+\frac {35 \left (\cos ^{3}\left (d x +c \right )\right )}{24}+\frac {35 \cos \left (d x +c \right )}{16}\right ) \sin \left (d x +c \right )}{80}+\frac {7 d x}{256}+\frac {7 c}{256}\right )-\frac {i a^{5} \left (\cos ^{10}\left (d x +c \right )\right )}{2}+a^{5} \left (\frac {\left (\cos ^{9}\left (d x +c \right )+\frac {9 \left (\cos ^{7}\left (d x +c \right )\right )}{8}+\frac {21 \left (\cos ^{5}\left (d x +c \right )\right )}{16}+\frac {105 \left (\cos ^{3}\left (d x +c \right )\right )}{64}+\frac {315 \cos \left (d x +c \right )}{128}\right ) \sin \left (d x +c \right )}{10}+\frac {63 d x}{256}+\frac {63 c}{256}\right )}{d}\]
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Time = 0.25 (sec) , antiderivative size = 83, normalized size of antiderivative = 0.58 \[ \int \cos ^{10}(c+d x) (a+i a \tan (c+d x))^5 \, dx=\frac {120 \, a^{5} d x - 12 i \, a^{5} e^{\left (10 i \, d x + 10 i \, c\right )} - 75 i \, a^{5} e^{\left (8 i \, d x + 8 i \, c\right )} - 200 i \, a^{5} e^{\left (6 i \, d x + 6 i \, c\right )} - 300 i \, a^{5} e^{\left (4 i \, d x + 4 i \, c\right )} - 300 i \, a^{5} e^{\left (2 i \, d x + 2 i \, c\right )}}{3840 \, d} \]
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Time = 0.37 (sec) , antiderivative size = 209, normalized size of antiderivative = 1.45 \[ \int \cos ^{10}(c+d x) (a+i a \tan (c+d x))^5 \, dx=\frac {a^{5} x}{32} + \begin {cases} \frac {- 100663296 i a^{5} d^{4} e^{10 i c} e^{10 i d x} - 629145600 i a^{5} d^{4} e^{8 i c} e^{8 i d x} - 1677721600 i a^{5} d^{4} e^{6 i c} e^{6 i d x} - 2516582400 i a^{5} d^{4} e^{4 i c} e^{4 i d x} - 2516582400 i a^{5} d^{4} e^{2 i c} e^{2 i d x}}{32212254720 d^{5}} & \text {for}\: d^{5} \neq 0 \\x \left (\frac {a^{5} e^{10 i c}}{32} + \frac {5 a^{5} e^{8 i c}}{32} + \frac {5 a^{5} e^{6 i c}}{16} + \frac {5 a^{5} e^{4 i c}}{16} + \frac {5 a^{5} e^{2 i c}}{32}\right ) & \text {otherwise} \end {cases} \]
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Time = 1.33 (sec) , antiderivative size = 164, normalized size of antiderivative = 1.14 \[ \int \cos ^{10}(c+d x) (a+i a \tan (c+d x))^5 \, dx=\frac {15 \, {\left (d x + c\right )} a^{5} + \frac {15 \, a^{5} \tan \left (d x + c\right )^{9} + 70 \, a^{5} \tan \left (d x + c\right )^{7} + 128 \, a^{5} \tan \left (d x + c\right )^{5} - 80 i \, a^{5} \tan \left (d x + c\right )^{4} - 230 \, a^{5} \tan \left (d x + c\right )^{3} + 560 i \, a^{5} \tan \left (d x + c\right )^{2} + 465 \, a^{5} \tan \left (d x + c\right ) - 128 i \, a^{5}}{\tan \left (d x + c\right )^{10} + 5 \, \tan \left (d x + c\right )^{8} + 10 \, \tan \left (d x + c\right )^{6} + 10 \, \tan \left (d x + c\right )^{4} + 5 \, \tan \left (d x + c\right )^{2} + 1}}{480 \, d} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 857 vs. \(2 (112) = 224\).
Time = 0.90 (sec) , antiderivative size = 857, normalized size of antiderivative = 5.95 \[ \int \cos ^{10}(c+d x) (a+i a \tan (c+d x))^5 \, dx=\text {Too large to display} \]
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Time = 4.74 (sec) , antiderivative size = 122, normalized size of antiderivative = 0.85 \[ \int \cos ^{10}(c+d x) (a+i a \tan (c+d x))^5 \, dx=\frac {a^5\,x}{32}+\frac {\frac {a^5\,{\mathrm {tan}\left (c+d\,x\right )}^4}{32}+\frac {a^5\,{\mathrm {tan}\left (c+d\,x\right )}^3\,5{}\mathrm {i}}{32}-\frac {31\,a^5\,{\mathrm {tan}\left (c+d\,x\right )}^2}{96}-\frac {a^5\,\mathrm {tan}\left (c+d\,x\right )\,35{}\mathrm {i}}{96}+\frac {4\,a^5}{15}}{d\,\left ({\mathrm {tan}\left (c+d\,x\right )}^5+{\mathrm {tan}\left (c+d\,x\right )}^4\,5{}\mathrm {i}-10\,{\mathrm {tan}\left (c+d\,x\right )}^3-{\mathrm {tan}\left (c+d\,x\right )}^2\,10{}\mathrm {i}+5\,\mathrm {tan}\left (c+d\,x\right )+1{}\mathrm {i}\right )} \]
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