Optimal. Leaf size=37 \[ -\frac{1}{5} i \tan ^5(x)+\frac{\tan ^4(x)}{4}-\frac{1}{3} i \tan ^3(x)+\frac{\tan ^2(x)}{2} \]
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Rubi [A] time = 0.053519, antiderivative size = 37, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.231, Rules used = {3516, 848, 75} \[ -\frac{1}{5} i \tan ^5(x)+\frac{\tan ^4(x)}{4}-\frac{1}{3} i \tan ^3(x)+\frac{\tan ^2(x)}{2} \]
Antiderivative was successfully verified.
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Rule 3516
Rule 848
Rule 75
Rubi steps
\begin{align*} \int \frac{\sec ^6(x)}{i+\cot (x)} \, dx &=-\operatorname{Subst}\left (\int \frac{\left (1+x^2\right )^2}{x^6 (i+x)} \, dx,x,\cot (x)\right )\\ &=-\operatorname{Subst}\left (\int \frac{(-i+x)^2 (i+x)}{x^6} \, dx,x,\cot (x)\right )\\ &=-\operatorname{Subst}\left (\int \left (-\frac{i}{x^6}+\frac{1}{x^5}-\frac{i}{x^4}+\frac{1}{x^3}\right ) \, dx,x,\cot (x)\right )\\ &=\frac{\tan ^2(x)}{2}-\frac{1}{3} i \tan ^3(x)+\frac{\tan ^4(x)}{4}-\frac{1}{5} i \tan ^5(x)\\ \end{align*}
Mathematica [A] time = 0.0872359, size = 26, normalized size = 0.7 \[ \frac{1}{60} \sec ^4(x) \left (15-4 i \sin ^2(x) (\cos (2 x)+4) \tan (x)\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.037, size = 28, normalized size = 0.8 \begin{align*}{\frac{ \left ( \tan \left ( x \right ) \right ) ^{2}}{2}}-{\frac{i}{3}} \left ( \tan \left ( x \right ) \right ) ^{3}+{\frac{ \left ( \tan \left ( x \right ) \right ) ^{4}}{4}}-{\frac{i}{5}} \left ( \tan \left ( x \right ) \right ) ^{5} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.31848, size = 34, normalized size = 0.92 \begin{align*} -\frac{1}{5} i \, \tan \left (x\right )^{5} + \frac{1}{4} \, \tan \left (x\right )^{4} - \frac{1}{3} i \, \tan \left (x\right )^{3} + \frac{1}{2} \, \tan \left (x\right )^{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.87751, size = 227, normalized size = 6.14 \begin{align*} \frac{4 \,{\left (2 \,{\left (10 \, e^{\left (4 i \, x\right )} + 5 \, e^{\left (2 i \, x\right )} + 1\right )} e^{\left (2 i \, x\right )} - 15 \, e^{\left (4 i \, x\right )} - 3 \, e^{\left (2 i \, x\right )}\right )} e^{\left (-2 i \, x\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 )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.32192, size = 34, normalized size = 0.92 \begin{align*} -\frac{1}{5} i \, \tan \left (x\right )^{5} + \frac{1}{4} \, \tan \left (x\right )^{4} - \frac{1}{3} i \, \tan \left (x\right )^{3} + \frac{1}{2} \, \tan \left (x\right )^{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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