Optimal. Leaf size=307 \[ \frac {3003 i \tanh ^{-1}\left (\frac {\sqrt {a} \sec (c+d x)}{\sqrt {2} \sqrt {a+i a \tan (c+d x)}}\right )}{16384 \sqrt {2} a^{7/2} d}+\frac {i \cos ^3(c+d x)}{10 d (a+i a \tan (c+d x))^{7/2}}+\frac {13 i \cos ^3(c+d x)}{160 a d (a+i a \tan (c+d x))^{5/2}}+\frac {143 i \cos ^3(c+d x)}{1920 a^2 d (a+i a \tan (c+d x))^{3/2}}+\frac {1001 i \cos (c+d x)}{8192 a^3 d \sqrt {a+i a \tan (c+d x)}}+\frac {429 i \cos ^3(c+d x)}{5120 a^3 d \sqrt {a+i a \tan (c+d x)}}-\frac {3003 i \cos (c+d x) \sqrt {a+i a \tan (c+d x)}}{16384 a^4 d}-\frac {1001 i \cos ^3(c+d x) \sqrt {a+i a \tan (c+d x)}}{10240 a^4 d} \]
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Rubi [A]
time = 0.36, antiderivative size = 307, normalized size of antiderivative = 1.00, number of steps
used = 9, number of rules used = 5, integrand size = 26, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.192, Rules used = {3583, 3578,
3571, 3570, 212} \begin {gather*} \frac {3003 i \tanh ^{-1}\left (\frac {\sqrt {a} \sec (c+d x)}{\sqrt {2} \sqrt {a+i a \tan (c+d x)}}\right )}{16384 \sqrt {2} a^{7/2} d}-\frac {1001 i \cos ^3(c+d x) \sqrt {a+i a \tan (c+d x)}}{10240 a^4 d}-\frac {3003 i \cos (c+d x) \sqrt {a+i a \tan (c+d x)}}{16384 a^4 d}+\frac {429 i \cos ^3(c+d x)}{5120 a^3 d \sqrt {a+i a \tan (c+d x)}}+\frac {1001 i \cos (c+d x)}{8192 a^3 d \sqrt {a+i a \tan (c+d x)}}+\frac {143 i \cos ^3(c+d x)}{1920 a^2 d (a+i a \tan (c+d x))^{3/2}}+\frac {13 i \cos ^3(c+d x)}{160 a d (a+i a \tan (c+d x))^{5/2}}+\frac {i \cos ^3(c+d x)}{10 d (a+i a \tan (c+d x))^{7/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 212
Rule 3570
Rule 3571
Rule 3578
Rule 3583
Rubi steps
\begin {align*} \int \frac {\cos ^3(c+d x)}{(a+i a \tan (c+d x))^{7/2}} \, dx &=\frac {i \cos ^3(c+d x)}{10 d (a+i a \tan (c+d x))^{7/2}}+\frac {13 \int \frac {\cos ^3(c+d x)}{(a+i a \tan (c+d x))^{5/2}} \, dx}{20 a}\\ &=\frac {i \cos ^3(c+d x)}{10 d (a+i a \tan (c+d x))^{7/2}}+\frac {13 i \cos ^3(c+d x)}{160 a d (a+i a \tan (c+d x))^{5/2}}+\frac {143 \int \frac {\cos ^3(c+d x)}{(a+i a \tan (c+d x))^{3/2}} \, dx}{320 a^2}\\ &=\frac {i \cos ^3(c+d x)}{10 d (a+i a \tan (c+d x))^{7/2}}+\frac {13 i \cos ^3(c+d x)}{160 a d (a+i a \tan (c+d x))^{5/2}}+\frac {143 i \cos ^3(c+d x)}{1920 a^2 d (a+i a \tan (c+d x))^{3/2}}+\frac {429 \int \frac {\cos ^3(c+d x)}{\sqrt {a+i a \tan (c+d x)}} \, dx}{1280 a^3}\\ &=\frac {i \cos ^3(c+d x)}{10 d (a+i a \tan (c+d x))^{7/2}}+\frac {13 i \cos ^3(c+d x)}{160 a d (a+i a \tan (c+d x))^{5/2}}+\frac {143 i \cos ^3(c+d x)}{1920 a^2 d (a+i a \tan (c+d x))^{3/2}}+\frac {429 i \cos ^3(c+d x)}{5120 a^3 d \sqrt {a+i a \tan (c+d x)}}+\frac {3003 \int \cos ^3(c+d x) \sqrt {a+i a \tan (c+d x)} \, dx}{10240 a^4}\\ &=\frac {i \cos ^3(c+d x)}{10 d (a+i a \tan (c+d x))^{7/2}}+\frac {13 i \cos ^3(c+d x)}{160 a d (a+i a \tan (c+d x))^{5/2}}+\frac {143 i \cos ^3(c+d x)}{1920 a^2 d (a+i a \tan (c+d x))^{3/2}}+\frac {429 i \cos ^3(c+d x)}{5120 a^3 d \sqrt {a+i a \tan (c+d x)}}-\frac {1001 i \cos ^3(c+d x) \sqrt {a+i a \tan (c+d x)}}{10240 a^4 d}+\frac {1001 \int \frac {\cos (c+d x)}{\sqrt {a+i a \tan (c+d x)}} \, dx}{4096 a^3}\\ &=\frac {i \cos ^3(c+d x)}{10 d (a+i a \tan (c+d x))^{7/2}}+\frac {13 i \cos ^3(c+d x)}{160 a d (a+i a \tan (c+d x))^{5/2}}+\frac {143 i \cos ^3(c+d x)}{1920 a^2 d (a+i a \tan (c+d x))^{3/2}}+\frac {1001 i \cos (c+d x)}{8192 a^3 d \sqrt {a+i a \tan (c+d x)}}+\frac {429 i \cos ^3(c+d x)}{5120 a^3 d \sqrt {a+i a \tan (c+d x)}}-\frac {1001 i \cos ^3(c+d x) \sqrt {a+i a \tan (c+d x)}}{10240 a^4 d}+\frac {3003 \int \cos (c+d x) \sqrt {a+i a \tan (c+d x)} \, dx}{16384 a^4}\\ &=\frac {i \cos ^3(c+d x)}{10 d (a+i a \tan (c+d x))^{7/2}}+\frac {13 i \cos ^3(c+d x)}{160 a d (a+i a \tan (c+d x))^{5/2}}+\frac {143 i \cos ^3(c+d x)}{1920 a^2 d (a+i a \tan (c+d x))^{3/2}}+\frac {1001 i \cos (c+d x)}{8192 a^3 d \sqrt {a+i a \tan (c+d x)}}+\frac {429 i \cos ^3(c+d x)}{5120 a^3 d \sqrt {a+i a \tan (c+d x)}}-\frac {3003 i \cos (c+d x) \sqrt {a+i a \tan (c+d x)}}{16384 a^4 d}-\frac {1001 i \cos ^3(c+d x) \sqrt {a+i a \tan (c+d x)}}{10240 a^4 d}+\frac {3003 \int \frac {\sec (c+d x)}{\sqrt {a+i a \tan (c+d x)}} \, dx}{32768 a^3}\\ &=\frac {i \cos ^3(c+d x)}{10 d (a+i a \tan (c+d x))^{7/2}}+\frac {13 i \cos ^3(c+d x)}{160 a d (a+i a \tan (c+d x))^{5/2}}+\frac {143 i \cos ^3(c+d x)}{1920 a^2 d (a+i a \tan (c+d x))^{3/2}}+\frac {1001 i \cos (c+d x)}{8192 a^3 d \sqrt {a+i a \tan (c+d x)}}+\frac {429 i \cos ^3(c+d x)}{5120 a^3 d \sqrt {a+i a \tan (c+d x)}}-\frac {3003 i \cos (c+d x) \sqrt {a+i a \tan (c+d x)}}{16384 a^4 d}-\frac {1001 i \cos ^3(c+d x) \sqrt {a+i a \tan (c+d x)}}{10240 a^4 d}+\frac {(3003 i) \text {Subst}\left (\int \frac {1}{2-a x^2} \, dx,x,\frac {\sec (c+d x)}{\sqrt {a+i a \tan (c+d x)}}\right )}{16384 a^3 d}\\ &=\frac {3003 i \tanh ^{-1}\left (\frac {\sqrt {a} \sec (c+d x)}{\sqrt {2} \sqrt {a+i a \tan (c+d x)}}\right )}{16384 \sqrt {2} a^{7/2} d}+\frac {i \cos ^3(c+d x)}{10 d (a+i a \tan (c+d x))^{7/2}}+\frac {13 i \cos ^3(c+d x)}{160 a d (a+i a \tan (c+d x))^{5/2}}+\frac {143 i \cos ^3(c+d x)}{1920 a^2 d (a+i a \tan (c+d x))^{3/2}}+\frac {1001 i \cos (c+d x)}{8192 a^3 d \sqrt {a+i a \tan (c+d x)}}+\frac {429 i \cos ^3(c+d x)}{5120 a^3 d \sqrt {a+i a \tan (c+d x)}}-\frac {3003 i \cos (c+d x) \sqrt {a+i a \tan (c+d x)}}{16384 a^4 d}-\frac {1001 i \cos ^3(c+d x) \sqrt {a+i a \tan (c+d x)}}{10240 a^4 d}\\ \end {align*}
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Mathematica [A]
time = 2.83, size = 175, normalized size = 0.57 \begin {gather*} -\frac {\left (42140+20048 e^{-2 i (c+d x)}+71190 e^{2 i (c+d x)}+5856 e^{-4 i (c+d x)}-48640 e^{4 i (c+d x)}+768 e^{-6 i (c+d x)}-2560 e^{6 i (c+d x)}+\frac {90090 e^{4 i (c+d x)} \tanh ^{-1}\left (\sqrt {1+e^{2 i (c+d x)}}\right )}{\sqrt {1+e^{2 i (c+d x)}}}\right ) \sec ^3(c+d x)}{491520 a^3 d (-i+\tan (c+d x))^3 \sqrt {a+i a \tan (c+d x)}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.93, size = 427, normalized size = 1.39
method | result | size |
default | \(\frac {\sqrt {\frac {a \left (i \sin \left (d x +c \right )+\cos \left (d x +c \right )\right )}{\cos \left (d x +c \right )}}\, \left (786432 i \left (\cos ^{11}\left (d x +c \right )\right )+786432 \left (\cos ^{10}\left (d x +c \right )\right ) \sin \left (d x +c \right )-466944 i \left (\cos ^{9}\left (d x +c \right )\right )-73728 \sin \left (d x +c \right ) \left (\cos ^{8}\left (d x +c \right )\right )+5120 i \left (\cos ^{7}\left (d x +c \right )\right )+66560 \sin \left (d x +c \right ) \left (\cos ^{6}\left (d x +c \right )\right )+9152 i \left (\cos ^{5}\left (d x +c \right )\right )+45045 i \sqrt {2}\, \sqrt {-\frac {2 \cos \left (d x +c \right )}{1+\cos \left (d x +c \right )}}\, \arctan \left (\frac {\left (i \cos \left (d x +c \right )-i+\sin \left (d x +c \right )\right ) \sqrt {2}}{2 \sin \left (d x +c \right ) \sqrt {-\frac {2 \cos \left (d x +c \right )}{1+\cos \left (d x +c \right )}}}\right ) \cos \left (d x +c \right )+82368 \sin \left (d x +c \right ) \left (\cos ^{4}\left (d x +c \right )\right )+45045 \sqrt {2}\, \sqrt {-\frac {2 \cos \left (d x +c \right )}{1+\cos \left (d x +c \right )}}\, \arctan \left (\frac {\left (i \cos \left (d x +c \right )-i+\sin \left (d x +c \right )\right ) \sqrt {2}}{2 \sin \left (d x +c \right ) \sqrt {-\frac {2 \cos \left (d x +c \right )}{1+\cos \left (d x +c \right )}}}\right ) \sin \left (d x +c \right )+45045 i \sqrt {2}\, \sqrt {-\frac {2 \cos \left (d x +c \right )}{1+\cos \left (d x +c \right )}}\, \arctan \left (\frac {\left (i \cos \left (d x +c \right )-i+\sin \left (d x +c \right )\right ) \sqrt {2}}{2 \sin \left (d x +c \right ) \sqrt {-\frac {2 \cos \left (d x +c \right )}{1+\cos \left (d x +c \right )}}}\right )+24024 i \left (\cos ^{3}\left (d x +c \right )\right )+120120 \left (\cos ^{2}\left (d x +c \right )\right ) \sin \left (d x +c \right )-180180 i \cos \left (d x +c \right )\right )}{983040 d \,a^{4}}\) | \(427\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Both result and optimal contain complex but leaf count of result is larger than
twice the leaf count of optimal. 5821 vs. \(2 (236) = 472\).
time = 0.81, size = 5821, normalized size = 18.96 \begin {gather*} \text {Too large to display} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.45, size = 322, normalized size = 1.05 \begin {gather*} \frac {{\left (-45045 i \, \sqrt {\frac {1}{2}} a^{4} d \sqrt {\frac {1}{a^{7} d^{2}}} e^{\left (10 i \, d x + 10 i \, c\right )} \log \left (-\frac {3003 \, {\left (\sqrt {2} \sqrt {\frac {1}{2}} {\left (i \, a^{3} d e^{\left (2 i \, d x + 2 i \, c\right )} + i \, a^{3} d\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \sqrt {\frac {1}{a^{7} d^{2}}} - i\right )} e^{\left (-i \, d x - i \, c\right )}}{8192 \, a^{3} d}\right ) + 45045 i \, \sqrt {\frac {1}{2}} a^{4} d \sqrt {\frac {1}{a^{7} d^{2}}} e^{\left (10 i \, d x + 10 i \, c\right )} \log \left (-\frac {3003 \, {\left (\sqrt {2} \sqrt {\frac {1}{2}} {\left (-i \, a^{3} d e^{\left (2 i \, d x + 2 i \, c\right )} - i \, a^{3} d\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \sqrt {\frac {1}{a^{7} d^{2}}} - i\right )} e^{\left (-i \, d x - i \, c\right )}}{8192 \, a^{3} d}\right ) + \sqrt {2} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} {\left (-1280 i \, e^{\left (14 i \, d x + 14 i \, c\right )} - 25600 i \, e^{\left (12 i \, d x + 12 i \, c\right )} + 11275 i \, e^{\left (10 i \, d x + 10 i \, c\right )} + 56665 i \, e^{\left (8 i \, d x + 8 i \, c\right )} + 31094 i \, e^{\left (6 i \, d x + 6 i \, c\right )} + 12952 i \, e^{\left (4 i \, d x + 4 i \, c\right )} + 3312 i \, e^{\left (2 i \, d x + 2 i \, c\right )} + 384 i\right )}\right )} e^{\left (-10 i \, d x - 10 i \, c\right )}}{491520 \, a^{4} d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: SystemError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \frac {{\cos \left (c+d\,x\right )}^3}{{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^{7/2}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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