Integrand size = 13, antiderivative size = 37 \[ \int \frac {\csc ^6(x)}{i+\tan (x)} \, dx=-\frac {1}{2} \cot ^2(x)+\frac {1}{3} i \cot ^3(x)-\frac {\cot ^4(x)}{4}+\frac {1}{5} i \cot ^5(x) \]
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Time = 0.06 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.231, Rules used = {3597, 862, 76} \[ \int \frac {\csc ^6(x)}{i+\tan (x)} \, dx=\frac {1}{5} i \cot ^5(x)-\frac {\cot ^4(x)}{4}+\frac {1}{3} i \cot ^3(x)-\frac {\cot ^2(x)}{2} \]
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Rule 76
Rule 862
Rule 3597
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int \frac {\left (1+x^2\right )^2}{x^6 (i+x)} \, dx,x,\tan (x)\right ) \\ & = \text {Subst}\left (\int \frac {(-i+x)^2 (i+x)}{x^6} \, dx,x,\tan (x)\right ) \\ & = \text {Subst}\left (\int \left (-\frac {i}{x^6}+\frac {1}{x^5}-\frac {i}{x^4}+\frac {1}{x^3}\right ) \, dx,x,\tan (x)\right ) \\ & = -\frac {1}{2} \cot ^2(x)+\frac {1}{3} i \cot ^3(x)-\frac {\cot ^4(x)}{4}+\frac {1}{5} i \cot ^5(x) \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.11 \[ \int \frac {\csc ^6(x)}{i+\tan (x)} \, dx=-\frac {2}{15} i \cot (x)-\frac {1}{15} i \cot (x) \csc ^2(x)-\frac {\csc ^4(x)}{4}+\frac {1}{5} i \cot (x) \csc ^4(x) \]
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Time = 0.27 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.76
\[-\frac {1}{4 \tan \left (x \right )^{4}}+\frac {i}{5 \tan \left (x \right )^{5}}+\frac {i}{3 \tan \left (x \right )^{3}}-\frac {1}{2 \tan \left (x \right )^{2}}\]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 54 vs. \(2 (25) = 50\).
Time = 0.24 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.46 \[ \int \frac {\csc ^6(x)}{i+\tan (x)} \, dx=-\frac {4 \, {\left (30 \, e^{\left (6 i \, x\right )} - 10 \, e^{\left (4 i \, x\right )} + 5 \, e^{\left (2 i \, x\right )} - 1\right )}}{15 \, {\left (e^{\left (10 i \, x\right )} - 5 \, e^{\left (8 i \, x\right )} + 10 \, e^{\left (6 i \, x\right )} - 10 \, e^{\left (4 i \, x\right )} + 5 \, e^{\left (2 i \, x\right )} - 1\right )}} \]
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\[ \int \frac {\csc ^6(x)}{i+\tan (x)} \, dx=\int \frac {\csc ^{6}{\left (x \right )}}{\tan {\left (x \right )} + i}\, dx \]
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Time = 0.19 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.65 \[ \int \frac {\csc ^6(x)}{i+\tan (x)} \, dx=\frac {i \, {\left (30 i \, \tan \left (x\right )^{3} + 20 \, \tan \left (x\right )^{2} + 15 i \, \tan \left (x\right ) + 12\right )}}{60 \, \tan \left (x\right )^{5}} \]
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Time = 0.30 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.65 \[ \int \frac {\csc ^6(x)}{i+\tan (x)} \, dx=-\frac {30 \, \tan \left (x\right )^{3} - 20 i \, \tan \left (x\right )^{2} + 15 \, \tan \left (x\right ) - 12 i}{60 \, \tan \left (x\right )^{5}} \]
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Time = 4.41 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.73 \[ \int \frac {\csc ^6(x)}{i+\tan (x)} \, dx=\frac {{\mathrm {cot}\left (x\right )}^5\,1{}\mathrm {i}}{5}-\frac {{\mathrm {cot}\left (x\right )}^4}{4}+\frac {{\mathrm {cot}\left (x\right )}^3\,1{}\mathrm {i}}{3}-\frac {{\mathrm {cot}\left (x\right )}^2}{2} \]
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