Integrand size = 21, antiderivative size = 95 \[ \int \frac {\csc ^2(c+d x)}{(a+b \tan (c+d x))^3} \, dx=-\frac {\cot (c+d x)}{a^3 d}-\frac {3 b \log (\tan (c+d x))}{a^4 d}+\frac {3 b \log (a+b \tan (c+d x))}{a^4 d}-\frac {b}{2 a^2 d (a+b \tan (c+d x))^2}-\frac {2 b}{a^3 d (a+b \tan (c+d x))} \]
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Time = 0.09 (sec) , antiderivative size = 95, 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, 46} \[ \int \frac {\csc ^2(c+d x)}{(a+b \tan (c+d x))^3} \, dx=-\frac {3 b \log (\tan (c+d x))}{a^4 d}+\frac {3 b \log (a+b \tan (c+d x))}{a^4 d}-\frac {2 b}{a^3 d (a+b \tan (c+d x))}-\frac {\cot (c+d x)}{a^3 d}-\frac {b}{2 a^2 d (a+b \tan (c+d x))^2} \]
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Rule 46
Rule 3597
Rubi steps \begin{align*} \text {integral}& = \frac {b \text {Subst}\left (\int \frac {1}{x^2 (a+x)^3} \, dx,x,b \tan (c+d x)\right )}{d} \\ & = \frac {b \text {Subst}\left (\int \left (\frac {1}{a^3 x^2}-\frac {3}{a^4 x}+\frac {1}{a^2 (a+x)^3}+\frac {2}{a^3 (a+x)^2}+\frac {3}{a^4 (a+x)}\right ) \, dx,x,b \tan (c+d x)\right )}{d} \\ & = -\frac {\cot (c+d x)}{a^3 d}-\frac {3 b \log (\tan (c+d x))}{a^4 d}+\frac {3 b \log (a+b \tan (c+d x))}{a^4 d}-\frac {b}{2 a^2 d (a+b \tan (c+d x))^2}-\frac {2 b}{a^3 d (a+b \tan (c+d x))} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(241\) vs. \(2(95)=190\).
Time = 4.19 (sec) , antiderivative size = 241, normalized size of antiderivative = 2.54 \[ \int \frac {\csc ^2(c+d x)}{(a+b \tan (c+d x))^3} \, dx=\frac {-2 a^3 \left (a^2+b^2\right ) \cot (c+d x)+b \left (-2 a^2 \left (a^2+b^2\right ) (2+3 \log (\sin (c+d x))-3 \log (a \cos (c+d x)+b \sin (c+d x)))-a^2 b^2 \sec ^2(c+d x)+2 a b \left (2 a^2+b^2-6 \left (a^2+b^2\right ) \log (\sin (c+d x))+6 \left (a^2+b^2\right ) \log (a \cos (c+d x)+b \sin (c+d x))\right ) \tan (c+d x)-2 b^2 \left (-3 a^2-2 b^2+3 \left (a^2+b^2\right ) \log (\sin (c+d x))-3 \left (a^2+b^2\right ) \log (a \cos (c+d x)+b \sin (c+d x))\right ) \tan ^2(c+d x)\right )}{2 a^4 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2} \]
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Time = 1.47 (sec) , antiderivative size = 85, normalized size of antiderivative = 0.89
method | result | size |
derivativedivides | \(\frac {-\frac {1}{a^{3} \tan \left (d x +c \right )}-\frac {3 b \ln \left (\tan \left (d x +c \right )\right )}{a^{4}}-\frac {b}{2 a^{2} \left (a +b \tan \left (d x +c \right )\right )^{2}}+\frac {3 b \ln \left (a +b \tan \left (d x +c \right )\right )}{a^{4}}-\frac {2 b}{a^{3} \left (a +b \tan \left (d x +c \right )\right )}}{d}\) | \(85\) |
default | \(\frac {-\frac {1}{a^{3} \tan \left (d x +c \right )}-\frac {3 b \ln \left (\tan \left (d x +c \right )\right )}{a^{4}}-\frac {b}{2 a^{2} \left (a +b \tan \left (d x +c \right )\right )^{2}}+\frac {3 b \ln \left (a +b \tan \left (d x +c \right )\right )}{a^{4}}-\frac {2 b}{a^{3} \left (a +b \tan \left (d x +c \right )\right )}}{d}\) | \(85\) |
risch | \(-\frac {2 i \left (a^{4} {\mathrm e}^{4 i \left (d x +c \right )}-9 a^{2} b^{2} {\mathrm e}^{4 i \left (d x +c \right )}+3 b^{4} {\mathrm e}^{4 i \left (d x +c \right )}-4 i a^{3} b \,{\mathrm e}^{4 i \left (d x +c \right )}+9 i a \,b^{3} {\mathrm e}^{4 i \left (d x +c \right )}+2 a^{4} {\mathrm e}^{2 i \left (d x +c \right )}-6 b^{4} {\mathrm e}^{2 i \left (d x +c \right )}-4 i a^{3} b \,{\mathrm e}^{2 i \left (d x +c \right )}-9 i a \,b^{3} {\mathrm e}^{2 i \left (d x +c \right )}+a^{4}+5 a^{2} b^{2}+3 b^{4}\right )}{\left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right ) \left (-i b \,{\mathrm e}^{2 i \left (d x +c \right )}+a \,{\mathrm e}^{2 i \left (d x +c \right )}+i b +a \right )^{2} \left (-i b +a \right )^{2} a^{3} d}+\frac {3 b \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-\frac {i b +a}{i b -a}\right )}{a^{4} d}-\frac {3 b \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )}{a^{4} d}\) | \(276\) |
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Leaf count of result is larger than twice the leaf count of optimal. 565 vs. \(2 (93) = 186\).
Time = 0.28 (sec) , antiderivative size = 565, normalized size of antiderivative = 5.95 \[ \int \frac {\csc ^2(c+d x)}{(a+b \tan (c+d x))^3} \, dx=\frac {2 \, {\left (a^{7} + 4 \, a^{5} b^{2} - 2 \, a^{3} b^{4} - 3 \, a b^{6}\right )} \cos \left (d x + c\right )^{3} - 2 \, {\left (2 \, a^{5} b^{2} - 3 \, a^{3} b^{4} - 3 \, a b^{6}\right )} \cos \left (d x + c\right ) + 3 \, {\left (2 \, {\left (a^{5} b^{2} + 2 \, a^{3} b^{4} + a b^{6}\right )} \cos \left (d x + c\right )^{3} - 2 \, {\left (a^{5} b^{2} + 2 \, a^{3} b^{4} + a b^{6}\right )} \cos \left (d x + c\right ) - {\left (a^{4} b^{3} + 2 \, a^{2} b^{5} + b^{7} + {\left (a^{6} b + a^{4} b^{3} - a^{2} b^{5} - b^{7}\right )} \cos \left (d x + c\right )^{2}\right )} \sin \left (d x + c\right )\right )} \log \left (2 \, a b \cos \left (d x + c\right ) \sin \left (d x + c\right ) + {\left (a^{2} - b^{2}\right )} \cos \left (d x + c\right )^{2} + b^{2}\right ) - 3 \, {\left (2 \, {\left (a^{5} b^{2} + 2 \, a^{3} b^{4} + a b^{6}\right )} \cos \left (d x + c\right )^{3} - 2 \, {\left (a^{5} b^{2} + 2 \, a^{3} b^{4} + a b^{6}\right )} \cos \left (d x + c\right ) - {\left (a^{4} b^{3} + 2 \, a^{2} b^{5} + b^{7} + {\left (a^{6} b + a^{4} b^{3} - a^{2} b^{5} - b^{7}\right )} \cos \left (d x + c\right )^{2}\right )} \sin \left (d x + c\right )\right )} \log \left (-\frac {1}{4} \, \cos \left (d x + c\right )^{2} + \frac {1}{4}\right ) - {\left (5 \, a^{4} b^{3} + 3 \, a^{2} b^{5} - 4 \, {\left (a^{6} b + 5 \, a^{4} b^{3} + 3 \, a^{2} b^{5}\right )} \cos \left (d x + c\right )^{2}\right )} \sin \left (d x + c\right )}{2 \, {\left (2 \, {\left (a^{9} b + 2 \, a^{7} b^{3} + a^{5} b^{5}\right )} d \cos \left (d x + c\right )^{3} - 2 \, {\left (a^{9} b + 2 \, a^{7} b^{3} + a^{5} b^{5}\right )} d \cos \left (d x + c\right ) - {\left ({\left (a^{10} + a^{8} b^{2} - a^{6} b^{4} - a^{4} b^{6}\right )} d \cos \left (d x + c\right )^{2} + {\left (a^{8} b^{2} + 2 \, a^{6} b^{4} + a^{4} b^{6}\right )} d\right )} \sin \left (d x + c\right )\right )}} \]
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\[ \int \frac {\csc ^2(c+d x)}{(a+b \tan (c+d x))^3} \, dx=\int \frac {\csc ^{2}{\left (c + d x \right )}}{\left (a + b \tan {\left (c + d x \right )}\right )^{3}}\, dx \]
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Time = 0.57 (sec) , antiderivative size = 108, normalized size of antiderivative = 1.14 \[ \int \frac {\csc ^2(c+d x)}{(a+b \tan (c+d x))^3} \, dx=-\frac {\frac {6 \, b^{2} \tan \left (d x + c\right )^{2} + 9 \, a b \tan \left (d x + c\right ) + 2 \, a^{2}}{a^{3} b^{2} \tan \left (d x + c\right )^{3} + 2 \, a^{4} b \tan \left (d x + c\right )^{2} + a^{5} \tan \left (d x + c\right )} - \frac {6 \, b \log \left (b \tan \left (d x + c\right ) + a\right )}{a^{4}} + \frac {6 \, b \log \left (\tan \left (d x + c\right )\right )}{a^{4}}}{2 \, d} \]
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Time = 0.57 (sec) , antiderivative size = 113, normalized size of antiderivative = 1.19 \[ \int \frac {\csc ^2(c+d x)}{(a+b \tan (c+d x))^3} \, dx=\frac {\frac {6 \, b \log \left ({\left | b \tan \left (d x + c\right ) + a \right |}\right )}{a^{4}} - \frac {6 \, b \log \left ({\left | \tan \left (d x + c\right ) \right |}\right )}{a^{4}} + \frac {2 \, {\left (3 \, b \tan \left (d x + c\right ) - a\right )}}{a^{4} \tan \left (d x + c\right )} - \frac {9 \, b^{3} \tan \left (d x + c\right )^{2} + 22 \, a b^{2} \tan \left (d x + c\right ) + 14 \, a^{2} b}{{\left (b \tan \left (d x + c\right ) + a\right )}^{2} a^{4}}}{2 \, d} \]
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Time = 4.87 (sec) , antiderivative size = 99, normalized size of antiderivative = 1.04 \[ \int \frac {\csc ^2(c+d x)}{(a+b \tan (c+d x))^3} \, dx=\frac {6\,b\,\mathrm {atanh}\left (\frac {2\,b\,\mathrm {tan}\left (c+d\,x\right )}{a}+1\right )}{a^4\,d}-\frac {\frac {1}{a}+\frac {3\,b^2\,{\mathrm {tan}\left (c+d\,x\right )}^2}{a^3}+\frac {9\,b\,\mathrm {tan}\left (c+d\,x\right )}{2\,a^2}}{d\,\left (a^2\,\mathrm {tan}\left (c+d\,x\right )+2\,a\,b\,{\mathrm {tan}\left (c+d\,x\right )}^2+b^2\,{\mathrm {tan}\left (c+d\,x\right )}^3\right )} \]
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