Integrand size = 13, antiderivative size = 68 \[ \int \frac {\tan ^3(x)}{a+a \csc (x)} \, dx=\frac {5 \log (1-\sin (x))}{16 a}+\frac {11 \log (1+\sin (x))}{16 a}+\frac {1}{8 a (1-\sin (x))}-\frac {1}{8 a (1+\sin (x))^2}+\frac {3}{4 a (1+\sin (x))} \]
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Time = 0.09 (sec) , antiderivative size = 68, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {3964, 90} \[ \int \frac {\tan ^3(x)}{a+a \csc (x)} \, dx=\frac {1}{8 a (1-\sin (x))}+\frac {3}{4 a (\sin (x)+1)}-\frac {1}{8 a (\sin (x)+1)^2}+\frac {5 \log (1-\sin (x))}{16 a}+\frac {11 \log (\sin (x)+1)}{16 a} \]
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Rule 90
Rule 3964
Rubi steps \begin{align*} \text {integral}& = a^4 \text {Subst}\left (\int \frac {x^4}{(a-a x)^2 (a+a x)^3} \, dx,x,\sin (x)\right ) \\ & = a^4 \text {Subst}\left (\int \left (\frac {1}{8 a^5 (-1+x)^2}+\frac {5}{16 a^5 (-1+x)}+\frac {1}{4 a^5 (1+x)^3}-\frac {3}{4 a^5 (1+x)^2}+\frac {11}{16 a^5 (1+x)}\right ) \, dx,x,\sin (x)\right ) \\ & = \frac {5 \log (1-\sin (x))}{16 a}+\frac {11 \log (1+\sin (x))}{16 a}+\frac {1}{8 a (1-\sin (x))}-\frac {1}{8 a (1+\sin (x))^2}+\frac {3}{4 a (1+\sin (x))} \\ \end{align*}
Time = 0.16 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.74 \[ \int \frac {\tan ^3(x)}{a+a \csc (x)} \, dx=\frac {5 \log (1-\sin (x))+11 \log (1+\sin (x))+\frac {2 \left (-6-3 \sin (x)+5 \sin ^2(x)\right )}{(-1+\sin (x)) (1+\sin (x))^2}}{16 a} \]
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Time = 0.44 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.65
method | result | size |
default | \(\frac {-\frac {1}{8 \left (\sin \left (x \right )-1\right )}+\frac {5 \ln \left (\sin \left (x \right )-1\right )}{16}-\frac {1}{8 \left (1+\sin \left (x \right )\right )^{2}}+\frac {3}{4 \left (1+\sin \left (x \right )\right )}+\frac {11 \ln \left (1+\sin \left (x \right )\right )}{16}}{a}\) | \(44\) |
risch | \(-\frac {i x}{a}+\frac {i \left (5 \,{\mathrm e}^{i x}+6 i {\mathrm e}^{2 i x}+14 \,{\mathrm e}^{3 i x}-6 i {\mathrm e}^{4 i x}+5 \,{\mathrm e}^{5 i x}\right )}{4 \left ({\mathrm e}^{i x}-i\right )^{2} \left (i+{\mathrm e}^{i x}\right )^{4} a}+\frac {5 \ln \left ({\mathrm e}^{i x}-i\right )}{8 a}+\frac {11 \ln \left (i+{\mathrm e}^{i x}\right )}{8 a}\) | \(101\) |
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Time = 0.25 (sec) , antiderivative size = 71, normalized size of antiderivative = 1.04 \[ \int \frac {\tan ^3(x)}{a+a \csc (x)} \, dx=\frac {10 \, \cos \left (x\right )^{2} + 11 \, {\left (\cos \left (x\right )^{2} \sin \left (x\right ) + \cos \left (x\right )^{2}\right )} \log \left (\sin \left (x\right ) + 1\right ) + 5 \, {\left (\cos \left (x\right )^{2} \sin \left (x\right ) + \cos \left (x\right )^{2}\right )} \log \left (-\sin \left (x\right ) + 1\right ) + 6 \, \sin \left (x\right ) + 2}{16 \, {\left (a \cos \left (x\right )^{2} \sin \left (x\right ) + a \cos \left (x\right )^{2}\right )}} \]
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\[ \int \frac {\tan ^3(x)}{a+a \csc (x)} \, dx=\frac {\int \frac {\tan ^{3}{\left (x \right )}}{\csc {\left (x \right )} + 1}\, dx}{a} \]
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Time = 0.24 (sec) , antiderivative size = 58, normalized size of antiderivative = 0.85 \[ \int \frac {\tan ^3(x)}{a+a \csc (x)} \, dx=\frac {5 \, \sin \left (x\right )^{2} - 3 \, \sin \left (x\right ) - 6}{8 \, {\left (a \sin \left (x\right )^{3} + a \sin \left (x\right )^{2} - a \sin \left (x\right ) - a\right )}} + \frac {11 \, \log \left (\sin \left (x\right ) + 1\right )}{16 \, a} + \frac {5 \, \log \left (\sin \left (x\right ) - 1\right )}{16 \, a} \]
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Time = 0.27 (sec) , antiderivative size = 52, normalized size of antiderivative = 0.76 \[ \int \frac {\tan ^3(x)}{a+a \csc (x)} \, dx=\frac {11 \, \log \left (\sin \left (x\right ) + 1\right )}{16 \, a} + \frac {5 \, \log \left (-\sin \left (x\right ) + 1\right )}{16 \, a} + \frac {5 \, \sin \left (x\right )^{2} - 3 \, \sin \left (x\right ) - 6}{8 \, a {\left (\sin \left (x\right ) + 1\right )}^{2} {\left (\sin \left (x\right ) - 1\right )}} \]
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Time = 19.05 (sec) , antiderivative size = 134, normalized size of antiderivative = 1.97 \[ \int \frac {\tan ^3(x)}{a+a \csc (x)} \, dx=\frac {5\,\ln \left (\mathrm {tan}\left (\frac {x}{2}\right )-1\right )}{8\,a}+\frac {11\,\ln \left (\mathrm {tan}\left (\frac {x}{2}\right )+1\right )}{8\,a}-\frac {\ln \left ({\mathrm {tan}\left (\frac {x}{2}\right )}^2+1\right )}{a}+\frac {-\frac {3\,{\mathrm {tan}\left (\frac {x}{2}\right )}^5}{4}+\frac {{\mathrm {tan}\left (\frac {x}{2}\right )}^4}{2}+\frac {9\,{\mathrm {tan}\left (\frac {x}{2}\right )}^3}{2}+\frac {{\mathrm {tan}\left (\frac {x}{2}\right )}^2}{2}-\frac {3\,\mathrm {tan}\left (\frac {x}{2}\right )}{4}}{a\,{\mathrm {tan}\left (\frac {x}{2}\right )}^6+2\,a\,{\mathrm {tan}\left (\frac {x}{2}\right )}^5-a\,{\mathrm {tan}\left (\frac {x}{2}\right )}^4-4\,a\,{\mathrm {tan}\left (\frac {x}{2}\right )}^3-a\,{\mathrm {tan}\left (\frac {x}{2}\right )}^2+2\,a\,\mathrm {tan}\left (\frac {x}{2}\right )+a} \]
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