Integrand size = 25, antiderivative size = 335 \[ \int \frac {1}{(e \cot (c+d x))^{7/2} (a+a \sec (c+d x))} \, dx=-\frac {2 \cot ^3(c+d x) (3-\sec (c+d x))}{3 a d (e \cot (c+d x))^{7/2}}-\frac {\cot ^3(c+d x) \csc (c+d x) \operatorname {EllipticF}\left (c-\frac {\pi }{4}+d x,2\right ) \sqrt {\sin (2 c+2 d x)}}{3 a d (e \cot (c+d x))^{7/2}}-\frac {\arctan \left (1-\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}+\frac {\arctan \left (1+\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}-\frac {\log \left (1-\sqrt {2} \sqrt {\tan (c+d x)}+\tan (c+d x)\right )}{2 \sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}+\frac {\log \left (1+\sqrt {2} \sqrt {\tan (c+d x)}+\tan (c+d x)\right )}{2 \sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)} \]
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Time = 0.44 (sec) , antiderivative size = 335, normalized size of antiderivative = 1.00, number of steps used = 18, number of rules used = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.600, Rules used = {3985, 3973, 3966, 3969, 3557, 335, 217, 1179, 642, 1176, 631, 210, 2694, 2653, 2720} \[ \int \frac {1}{(e \cot (c+d x))^{7/2} (a+a \sec (c+d x))} \, dx=-\frac {\arctan \left (1-\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} a d \tan ^{\frac {7}{2}}(c+d x) (e \cot (c+d x))^{7/2}}+\frac {\arctan \left (\sqrt {2} \sqrt {\tan (c+d x)}+1\right )}{\sqrt {2} a d \tan ^{\frac {7}{2}}(c+d x) (e \cot (c+d x))^{7/2}}-\frac {2 \cot ^3(c+d x) (3-\sec (c+d x))}{3 a d (e \cot (c+d x))^{7/2}}-\frac {\log \left (\tan (c+d x)-\sqrt {2} \sqrt {\tan (c+d x)}+1\right )}{2 \sqrt {2} a d \tan ^{\frac {7}{2}}(c+d x) (e \cot (c+d x))^{7/2}}+\frac {\log \left (\tan (c+d x)+\sqrt {2} \sqrt {\tan (c+d x)}+1\right )}{2 \sqrt {2} a d \tan ^{\frac {7}{2}}(c+d x) (e \cot (c+d x))^{7/2}}-\frac {\sqrt {\sin (2 c+2 d x)} \cot ^3(c+d x) \csc (c+d x) \operatorname {EllipticF}\left (c+d x-\frac {\pi }{4},2\right )}{3 a d (e \cot (c+d x))^{7/2}} \]
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Rule 210
Rule 217
Rule 335
Rule 631
Rule 642
Rule 1176
Rule 1179
Rule 2653
Rule 2694
Rule 2720
Rule 3557
Rule 3966
Rule 3969
Rule 3973
Rule 3985
Rubi steps \begin{align*} \text {integral}& = \frac {\int \frac {\tan ^{\frac {7}{2}}(c+d x)}{a+a \sec (c+d x)} \, dx}{(e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)} \\ & = \frac {\int (-a+a \sec (c+d x)) \tan ^{\frac {3}{2}}(c+d x) \, dx}{a^2 (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)} \\ & = -\frac {2 \cot ^3(c+d x) (3-\sec (c+d x))}{3 a d (e \cot (c+d x))^{7/2}}-\frac {2 \int \frac {-\frac {3 a}{2}+\frac {1}{2} a \sec (c+d x)}{\sqrt {\tan (c+d x)}} \, dx}{3 a^2 (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)} \\ & = -\frac {2 \cot ^3(c+d x) (3-\sec (c+d x))}{3 a d (e \cot (c+d x))^{7/2}}-\frac {\int \frac {\sec (c+d x)}{\sqrt {\tan (c+d x)}} \, dx}{3 a (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}+\frac {\int \frac {1}{\sqrt {\tan (c+d x)}} \, dx}{a (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)} \\ & = -\frac {2 \cot ^3(c+d x) (3-\sec (c+d x))}{3 a d (e \cot (c+d x))^{7/2}}-\frac {\cos ^{\frac {7}{2}}(c+d x) \int \frac {1}{\sqrt {\cos (c+d x)} \sqrt {\sin (c+d x)}} \, dx}{3 a (e \cot (c+d x))^{7/2} \sin ^{\frac {7}{2}}(c+d x)}+\frac {\text {Subst}\left (\int \frac {1}{\sqrt {x} \left (1+x^2\right )} \, dx,x,\tan (c+d x)\right )}{a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)} \\ & = -\frac {2 \cot ^3(c+d x) (3-\sec (c+d x))}{3 a d (e \cot (c+d x))^{7/2}}-\frac {\left (\cot ^3(c+d x) \csc (c+d x) \sqrt {\sin (2 c+2 d x)}\right ) \int \frac {1}{\sqrt {\sin (2 c+2 d x)}} \, dx}{3 a (e \cot (c+d x))^{7/2}}+\frac {2 \text {Subst}\left (\int \frac {1}{1+x^4} \, dx,x,\sqrt {\tan (c+d x)}\right )}{a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)} \\ & = -\frac {2 \cot ^3(c+d x) (3-\sec (c+d x))}{3 a d (e \cot (c+d x))^{7/2}}-\frac {\cot ^3(c+d x) \csc (c+d x) \operatorname {EllipticF}\left (c-\frac {\pi }{4}+d x,2\right ) \sqrt {\sin (2 c+2 d x)}}{3 a d (e \cot (c+d x))^{7/2}}+\frac {\text {Subst}\left (\int \frac {1-x^2}{1+x^4} \, dx,x,\sqrt {\tan (c+d x)}\right )}{a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}+\frac {\text {Subst}\left (\int \frac {1+x^2}{1+x^4} \, dx,x,\sqrt {\tan (c+d x)}\right )}{a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)} \\ & = -\frac {2 \cot ^3(c+d x) (3-\sec (c+d x))}{3 a d (e \cot (c+d x))^{7/2}}-\frac {\cot ^3(c+d x) \csc (c+d x) \operatorname {EllipticF}\left (c-\frac {\pi }{4}+d x,2\right ) \sqrt {\sin (2 c+2 d x)}}{3 a d (e \cot (c+d x))^{7/2}}+\frac {\text {Subst}\left (\int \frac {1}{1-\sqrt {2} x+x^2} \, dx,x,\sqrt {\tan (c+d x)}\right )}{2 a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}+\frac {\text {Subst}\left (\int \frac {1}{1+\sqrt {2} x+x^2} \, dx,x,\sqrt {\tan (c+d x)}\right )}{2 a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}-\frac {\text {Subst}\left (\int \frac {\sqrt {2}+2 x}{-1-\sqrt {2} x-x^2} \, dx,x,\sqrt {\tan (c+d x)}\right )}{2 \sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}-\frac {\text {Subst}\left (\int \frac {\sqrt {2}-2 x}{-1+\sqrt {2} x-x^2} \, dx,x,\sqrt {\tan (c+d x)}\right )}{2 \sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)} \\ & = -\frac {2 \cot ^3(c+d x) (3-\sec (c+d x))}{3 a d (e \cot (c+d x))^{7/2}}-\frac {\cot ^3(c+d x) \csc (c+d x) \operatorname {EllipticF}\left (c-\frac {\pi }{4}+d x,2\right ) \sqrt {\sin (2 c+2 d x)}}{3 a d (e \cot (c+d x))^{7/2}}-\frac {\log \left (1-\sqrt {2} \sqrt {\tan (c+d x)}+\tan (c+d x)\right )}{2 \sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}+\frac {\log \left (1+\sqrt {2} \sqrt {\tan (c+d x)}+\tan (c+d x)\right )}{2 \sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}+\frac {\text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}-\frac {\text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)} \\ & = -\frac {2 \cot ^3(c+d x) (3-\sec (c+d x))}{3 a d (e \cot (c+d x))^{7/2}}-\frac {\cot ^3(c+d x) \csc (c+d x) \operatorname {EllipticF}\left (c-\frac {\pi }{4}+d x,2\right ) \sqrt {\sin (2 c+2 d x)}}{3 a d (e \cot (c+d x))^{7/2}}-\frac {\arctan \left (1-\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}+\frac {\arctan \left (1+\sqrt {2} \sqrt {\tan (c+d x)}\right )}{\sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}-\frac {\log \left (1-\sqrt {2} \sqrt {\tan (c+d x)}+\tan (c+d x)\right )}{2 \sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)}+\frac {\log \left (1+\sqrt {2} \sqrt {\tan (c+d x)}+\tan (c+d x)\right )}{2 \sqrt {2} a d (e \cot (c+d x))^{7/2} \tan ^{\frac {7}{2}}(c+d x)} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 12.94 (sec) , antiderivative size = 130, normalized size of antiderivative = 0.39 \[ \int \frac {1}{(e \cot (c+d x))^{7/2} (a+a \sec (c+d x))} \, dx=-\frac {4 \sqrt {e \cot (c+d x)} \csc (c+d x) \left (3-3 \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},\frac {1}{4},\frac {5}{4},-\tan ^2(c+d x)\right )+3 \operatorname {Hypergeometric2F1}\left (\frac {1}{4},\frac {1}{2},\frac {5}{4},-\tan ^2(c+d x)\right )+\cot ^2(c+d x) \operatorname {Hypergeometric2F1}\left (\frac {3}{4},1,\frac {7}{4},-\cot ^2(c+d x)\right )\right ) \left (1+\sqrt {\sec ^2(c+d x)}\right ) \sin ^2\left (\frac {1}{2} (c+d x)\right )}{3 a d e^4} \]
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Result contains complex when optimal does not.
Time = 9.80 (sec) , antiderivative size = 976, normalized size of antiderivative = 2.91
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Timed out. \[ \int \frac {1}{(e \cot (c+d x))^{7/2} (a+a \sec (c+d x))} \, dx=\text {Timed out} \]
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Timed out. \[ \int \frac {1}{(e \cot (c+d x))^{7/2} (a+a \sec (c+d x))} \, dx=\text {Timed out} \]
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\[ \int \frac {1}{(e \cot (c+d x))^{7/2} (a+a \sec (c+d x))} \, dx=\int { \frac {1}{\left (e \cot \left (d x + c\right )\right )^{\frac {7}{2}} {\left (a \sec \left (d x + c\right ) + a\right )}} \,d x } \]
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\[ \int \frac {1}{(e \cot (c+d x))^{7/2} (a+a \sec (c+d x))} \, dx=\int { \frac {1}{\left (e \cot \left (d x + c\right )\right )^{\frac {7}{2}} {\left (a \sec \left (d x + c\right ) + a\right )}} \,d x } \]
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Timed out. \[ \int \frac {1}{(e \cot (c+d x))^{7/2} (a+a \sec (c+d x))} \, dx=\int \frac {\cos \left (c+d\,x\right )}{a\,{\left (e\,\mathrm {cot}\left (c+d\,x\right )\right )}^{7/2}\,\left (\cos \left (c+d\,x\right )+1\right )} \,d x \]
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