Integrand size = 21, antiderivative size = 83 \[ \int \csc ^2(c+d x) (a+b \tan (c+d x))^4 \, dx=-\frac {a^4 \cot (c+d x)}{d}+\frac {4 a^3 b \log (\tan (c+d x))}{d}+\frac {6 a^2 b^2 \tan (c+d x)}{d}+\frac {2 a b^3 \tan ^2(c+d x)}{d}+\frac {b^4 \tan ^3(c+d x)}{3 d} \]
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Time = 0.07 (sec) , antiderivative size = 83, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {3597, 45} \[ \int \csc ^2(c+d x) (a+b \tan (c+d x))^4 \, dx=-\frac {a^4 \cot (c+d x)}{d}+\frac {4 a^3 b \log (\tan (c+d x))}{d}+\frac {6 a^2 b^2 \tan (c+d x)}{d}+\frac {2 a b^3 \tan ^2(c+d x)}{d}+\frac {b^4 \tan ^3(c+d x)}{3 d} \]
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Rule 45
Rule 3597
Rubi steps \begin{align*} \text {integral}& = \frac {b \text {Subst}\left (\int \frac {(a+x)^4}{x^2} \, dx,x,b \tan (c+d x)\right )}{d} \\ & = \frac {b \text {Subst}\left (\int \left (6 a^2+\frac {a^4}{x^2}+\frac {4 a^3}{x}+4 a x+x^2\right ) \, dx,x,b \tan (c+d x)\right )}{d} \\ & = -\frac {a^4 \cot (c+d x)}{d}+\frac {4 a^3 b \log (\tan (c+d x))}{d}+\frac {6 a^2 b^2 \tan (c+d x)}{d}+\frac {2 a b^3 \tan ^2(c+d x)}{d}+\frac {b^4 \tan ^3(c+d x)}{3 d} \\ \end{align*}
Time = 3.30 (sec) , antiderivative size = 162, normalized size of antiderivative = 1.95 \[ \int \csc ^2(c+d x) (a+b \tan (c+d x))^4 \, dx=-\frac {\csc (c+d x) \sec ^3(c+d x) \left (4 \left (3 a^4+b^4\right ) \cos (2 (c+d x))+\left (3 a^4+18 a^2 b^2-b^4\right ) \cos (4 (c+d x))+3 \left (3 a^4-6 a^2 b^2-b^4+8 a b \left (-b^2+a^2 \log (\cos (c+d x))-a^2 \log (\sin (c+d x))\right ) \sin (2 (c+d x))+4 a^3 b (\log (\cos (c+d x))-\log (\sin (c+d x))) \sin (4 (c+d x))\right )\right )}{24 d} \]
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Time = 3.40 (sec) , antiderivative size = 79, normalized size of antiderivative = 0.95
method | result | size |
derivativedivides | \(\frac {\frac {b^{4} \left (\sin ^{3}\left (d x +c \right )\right )}{3 \cos \left (d x +c \right )^{3}}+\frac {2 a \,b^{3}}{\cos \left (d x +c \right )^{2}}+6 a^{2} b^{2} \tan \left (d x +c \right )+4 a^{3} b \ln \left (\tan \left (d x +c \right )\right )-a^{4} \cot \left (d x +c \right )}{d}\) | \(79\) |
default | \(\frac {\frac {b^{4} \left (\sin ^{3}\left (d x +c \right )\right )}{3 \cos \left (d x +c \right )^{3}}+\frac {2 a \,b^{3}}{\cos \left (d x +c \right )^{2}}+6 a^{2} b^{2} \tan \left (d x +c \right )+4 a^{3} b \ln \left (\tan \left (d x +c \right )\right )-a^{4} \cot \left (d x +c \right )}{d}\) | \(79\) |
risch | \(-\frac {2 i \left (12 i a \,b^{3} {\mathrm e}^{6 i \left (d x +c \right )}+3 a^{4} {\mathrm e}^{6 i \left (d x +c \right )}-18 a^{2} b^{2} {\mathrm e}^{6 i \left (d x +c \right )}+3 b^{4} {\mathrm e}^{6 i \left (d x +c \right )}+9 a^{4} {\mathrm e}^{4 i \left (d x +c \right )}-18 a^{2} b^{2} {\mathrm e}^{4 i \left (d x +c \right )}-3 b^{4} {\mathrm e}^{4 i \left (d x +c \right )}-12 i a \,b^{3} {\mathrm e}^{2 i \left (d x +c \right )}+9 a^{4} {\mathrm e}^{2 i \left (d x +c \right )}+18 a^{2} b^{2} {\mathrm e}^{2 i \left (d x +c \right )}+b^{4} {\mathrm e}^{2 i \left (d x +c \right )}+3 a^{4}+18 a^{2} b^{2}-b^{4}\right )}{3 d \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )^{3} \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )}+\frac {4 a^{3} b \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )}{d}-\frac {4 b \,a^{3} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )}{d}\) | \(261\) |
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Time = 0.28 (sec) , antiderivative size = 159, normalized size of antiderivative = 1.92 \[ \int \csc ^2(c+d x) (a+b \tan (c+d x))^4 \, dx=-\frac {6 \, a^{3} b \cos \left (d x + c\right )^{3} \log \left (\cos \left (d x + c\right )^{2}\right ) \sin \left (d x + c\right ) - 6 \, a^{3} b \cos \left (d x + c\right )^{3} \log \left (-\frac {1}{4} \, \cos \left (d x + c\right )^{2} + \frac {1}{4}\right ) \sin \left (d x + c\right ) - 6 \, a b^{3} \cos \left (d x + c\right ) \sin \left (d x + c\right ) + {\left (3 \, a^{4} + 18 \, a^{2} b^{2} - b^{4}\right )} \cos \left (d x + c\right )^{4} - b^{4} - 2 \, {\left (9 \, a^{2} b^{2} - b^{4}\right )} \cos \left (d x + c\right )^{2}}{3 \, d \cos \left (d x + c\right )^{3} \sin \left (d x + c\right )} \]
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\[ \int \csc ^2(c+d x) (a+b \tan (c+d x))^4 \, dx=\int \left (a + b \tan {\left (c + d x \right )}\right )^{4} \csc ^{2}{\left (c + d x \right )}\, dx \]
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Time = 0.22 (sec) , antiderivative size = 72, normalized size of antiderivative = 0.87 \[ \int \csc ^2(c+d x) (a+b \tan (c+d x))^4 \, dx=\frac {b^{4} \tan \left (d x + c\right )^{3} + 6 \, a b^{3} \tan \left (d x + c\right )^{2} + 12 \, a^{3} b \log \left (\tan \left (d x + c\right )\right ) + 18 \, a^{2} b^{2} \tan \left (d x + c\right ) - \frac {3 \, a^{4}}{\tan \left (d x + c\right )}}{3 \, d} \]
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Time = 1.12 (sec) , antiderivative size = 86, normalized size of antiderivative = 1.04 \[ \int \csc ^2(c+d x) (a+b \tan (c+d x))^4 \, dx=\frac {b^{4} \tan \left (d x + c\right )^{3} + 6 \, a b^{3} \tan \left (d x + c\right )^{2} + 12 \, a^{3} b \log \left ({\left | \tan \left (d x + c\right ) \right |}\right ) + 18 \, a^{2} b^{2} \tan \left (d x + c\right ) - \frac {3 \, {\left (4 \, a^{3} b \tan \left (d x + c\right ) + a^{4}\right )}}{\tan \left (d x + c\right )}}{3 \, d} \]
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Time = 4.12 (sec) , antiderivative size = 81, normalized size of antiderivative = 0.98 \[ \int \csc ^2(c+d x) (a+b \tan (c+d x))^4 \, dx=\frac {b^4\,{\mathrm {tan}\left (c+d\,x\right )}^3}{3\,d}-\frac {a^4\,\mathrm {cot}\left (c+d\,x\right )}{d}+\frac {6\,a^2\,b^2\,\mathrm {tan}\left (c+d\,x\right )}{d}+\frac {2\,a\,b^3\,{\mathrm {tan}\left (c+d\,x\right )}^2}{d}+\frac {4\,a^3\,b\,\ln \left (\mathrm {tan}\left (c+d\,x\right )\right )}{d} \]
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