Integrand size = 21, antiderivative size = 126 \[ \int \cot ^5(c+d x) (a+b \sec (c+d x))^2 \, dx=\frac {a^2 \log (\cos (c+d x))}{d}+\frac {a (4 a+3 b) \log (1-\sec (c+d x))}{8 d}+\frac {a (4 a-3 b) \log (1+\sec (c+d x))}{8 d}+\frac {a \cot ^2(c+d x) (2 a+3 b \sec (c+d x))}{4 d}-\frac {\cot ^4(c+d x) \left (a^2+b^2+2 a b \sec (c+d x)\right )}{4 d} \]
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Time = 0.20 (sec) , antiderivative size = 126, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.190, Rules used = {3970, 1819, 837, 815} \[ \int \cot ^5(c+d x) (a+b \sec (c+d x))^2 \, dx=-\frac {\cot ^4(c+d x) \left (a^2+2 a b \sec (c+d x)+b^2\right )}{4 d}+\frac {a^2 \log (\cos (c+d x))}{d}+\frac {a (4 a+3 b) \log (1-\sec (c+d x))}{8 d}+\frac {a (4 a-3 b) \log (\sec (c+d x)+1)}{8 d}+\frac {a \cot ^2(c+d x) (2 a+3 b \sec (c+d x))}{4 d} \]
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Rule 815
Rule 837
Rule 1819
Rule 3970
Rubi steps \begin{align*} \text {integral}& = -\frac {b^6 \text {Subst}\left (\int \frac {(a+x)^2}{x \left (b^2-x^2\right )^3} \, dx,x,b \sec (c+d x)\right )}{d} \\ & = -\frac {\cot ^4(c+d x) \left (a^2+b^2+2 a b \sec (c+d x)\right )}{4 d}+\frac {b^4 \text {Subst}\left (\int \frac {-4 a^2-6 a x}{x \left (b^2-x^2\right )^2} \, dx,x,b \sec (c+d x)\right )}{4 d} \\ & = \frac {a \cot ^2(c+d x) (2 a+3 b \sec (c+d x))}{4 d}-\frac {\cot ^4(c+d x) \left (a^2+b^2+2 a b \sec (c+d x)\right )}{4 d}+\frac {\text {Subst}\left (\int \frac {-8 a^2 b^2-6 a b^2 x}{x \left (b^2-x^2\right )} \, dx,x,b \sec (c+d x)\right )}{8 d} \\ & = \frac {a \cot ^2(c+d x) (2 a+3 b \sec (c+d x))}{4 d}-\frac {\cot ^4(c+d x) \left (a^2+b^2+2 a b \sec (c+d x)\right )}{4 d}+\frac {\text {Subst}\left (\int \left (-\frac {a (4 a+3 b)}{b-x}-\frac {8 a^2}{x}+\frac {a (4 a-3 b)}{b+x}\right ) \, dx,x,b \sec (c+d x)\right )}{8 d} \\ & = \frac {a^2 \log (\cos (c+d x))}{d}+\frac {a (4 a+3 b) \log (1-\sec (c+d x))}{8 d}+\frac {a (4 a-3 b) \log (1+\sec (c+d x))}{8 d}+\frac {a \cot ^2(c+d x) (2 a+3 b \sec (c+d x))}{4 d}-\frac {\cot ^4(c+d x) \left (a^2+b^2+2 a b \sec (c+d x)\right )}{4 d} \\ \end{align*}
Time = 3.25 (sec) , antiderivative size = 139, normalized size of antiderivative = 1.10 \[ \int \cot ^5(c+d x) (a+b \sec (c+d x))^2 \, dx=\frac {16 a^2 \log (\cos (c+d x))+2 a (4 a+3 b) \log (1-\sec (c+d x))+2 a (4 a-3 b) \log (1+\sec (c+d x))-\frac {(a+b)^2}{(-1+\sec (c+d x))^2}+\frac {(a+b) (5 a+b)}{-1+\sec (c+d x)}-\frac {(a-b)^2}{(1+\sec (c+d x))^2}-\frac {(a-b) (5 a-b)}{1+\sec (c+d x)}}{16 d} \]
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Time = 1.14 (sec) , antiderivative size = 136, normalized size of antiderivative = 1.08
method | result | size |
derivativedivides | \(\frac {a^{2} \left (-\frac {\cot \left (d x +c \right )^{4}}{4}+\frac {\cot \left (d x +c \right )^{2}}{2}+\ln \left (\sin \left (d x +c \right )\right )\right )+2 a b \left (-\frac {\cos \left (d x +c \right )^{5}}{4 \sin \left (d x +c \right )^{4}}+\frac {\cos \left (d x +c \right )^{5}}{8 \sin \left (d x +c \right )^{2}}+\frac {\cos \left (d x +c \right )^{3}}{8}+\frac {3 \cos \left (d x +c \right )}{8}+\frac {3 \ln \left (-\cot \left (d x +c \right )+\csc \left (d x +c \right )\right )}{8}\right )-\frac {b^{2} \cos \left (d x +c \right )^{4}}{4 \sin \left (d x +c \right )^{4}}}{d}\) | \(136\) |
default | \(\frac {a^{2} \left (-\frac {\cot \left (d x +c \right )^{4}}{4}+\frac {\cot \left (d x +c \right )^{2}}{2}+\ln \left (\sin \left (d x +c \right )\right )\right )+2 a b \left (-\frac {\cos \left (d x +c \right )^{5}}{4 \sin \left (d x +c \right )^{4}}+\frac {\cos \left (d x +c \right )^{5}}{8 \sin \left (d x +c \right )^{2}}+\frac {\cos \left (d x +c \right )^{3}}{8}+\frac {3 \cos \left (d x +c \right )}{8}+\frac {3 \ln \left (-\cot \left (d x +c \right )+\csc \left (d x +c \right )\right )}{8}\right )-\frac {b^{2} \cos \left (d x +c \right )^{4}}{4 \sin \left (d x +c \right )^{4}}}{d}\) | \(136\) |
risch | \(-i a^{2} x -\frac {2 i a^{2} c}{d}-\frac {5 a b \,{\mathrm e}^{7 i \left (d x +c \right )}+8 a^{2} {\mathrm e}^{6 i \left (d x +c \right )}+4 b^{2} {\mathrm e}^{6 i \left (d x +c \right )}+3 a b \,{\mathrm e}^{5 i \left (d x +c \right )}-8 a^{2} {\mathrm e}^{4 i \left (d x +c \right )}+3 a b \,{\mathrm e}^{3 i \left (d x +c \right )}+8 a^{2} {\mathrm e}^{2 i \left (d x +c \right )}+4 b^{2} {\mathrm e}^{2 i \left (d x +c \right )}+5 a b \,{\mathrm e}^{i \left (d x +c \right )}}{2 d \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )^{4}}+\frac {a^{2} \ln \left ({\mathrm e}^{i \left (d x +c \right )}-1\right )}{d}+\frac {3 \ln \left ({\mathrm e}^{i \left (d x +c \right )}-1\right ) a b}{4 d}-\frac {3 \ln \left ({\mathrm e}^{i \left (d x +c \right )}+1\right ) a b}{4 d}+\frac {a^{2} \ln \left ({\mathrm e}^{i \left (d x +c \right )}+1\right )}{d}\) | \(236\) |
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Time = 0.28 (sec) , antiderivative size = 203, normalized size of antiderivative = 1.61 \[ \int \cot ^5(c+d x) (a+b \sec (c+d x))^2 \, dx=-\frac {10 \, a b \cos \left (d x + c\right )^{3} - 6 \, a b \cos \left (d x + c\right ) + 4 \, {\left (2 \, a^{2} + b^{2}\right )} \cos \left (d x + c\right )^{2} - 6 \, a^{2} - 2 \, b^{2} - {\left ({\left (4 \, a^{2} - 3 \, a b\right )} \cos \left (d x + c\right )^{4} - 2 \, {\left (4 \, a^{2} - 3 \, a b\right )} \cos \left (d x + c\right )^{2} + 4 \, a^{2} - 3 \, a b\right )} \log \left (\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right ) - {\left ({\left (4 \, a^{2} + 3 \, a b\right )} \cos \left (d x + c\right )^{4} - 2 \, {\left (4 \, a^{2} + 3 \, a b\right )} \cos \left (d x + c\right )^{2} + 4 \, a^{2} + 3 \, a b\right )} \log \left (-\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right )}{8 \, {\left (d \cos \left (d x + c\right )^{4} - 2 \, d \cos \left (d x + c\right )^{2} + d\right )}} \]
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\[ \int \cot ^5(c+d x) (a+b \sec (c+d x))^2 \, dx=\int \left (a + b \sec {\left (c + d x \right )}\right )^{2} \cot ^{5}{\left (c + d x \right )}\, dx \]
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Time = 0.20 (sec) , antiderivative size = 122, normalized size of antiderivative = 0.97 \[ \int \cot ^5(c+d x) (a+b \sec (c+d x))^2 \, dx=\frac {{\left (4 \, a^{2} - 3 \, a b\right )} \log \left (\cos \left (d x + c\right ) + 1\right ) + {\left (4 \, a^{2} + 3 \, a b\right )} \log \left (\cos \left (d x + c\right ) - 1\right ) - \frac {2 \, {\left (5 \, a b \cos \left (d x + c\right )^{3} - 3 \, a b \cos \left (d x + c\right ) + 2 \, {\left (2 \, a^{2} + b^{2}\right )} \cos \left (d x + c\right )^{2} - 3 \, a^{2} - b^{2}\right )}}{\cos \left (d x + c\right )^{4} - 2 \, \cos \left (d x + c\right )^{2} + 1}}{8 \, d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 360 vs. \(2 (118) = 236\).
Time = 0.37 (sec) , antiderivative size = 360, normalized size of antiderivative = 2.86 \[ \int \cot ^5(c+d x) (a+b \sec (c+d x))^2 \, dx=-\frac {64 \, a^{2} \log \left ({\left | -\frac {\cos \left (d x + c\right ) - 1}{\cos \left (d x + c\right ) + 1} + 1 \right |}\right ) + \frac {12 \, a^{2} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} - \frac {16 \, a b {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {4 \, b^{2} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {a^{2} {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} - \frac {2 \, a b {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + \frac {b^{2} {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} - 8 \, {\left (4 \, a^{2} + 3 \, a b\right )} \log \left (\frac {{\left | -\cos \left (d x + c\right ) + 1 \right |}}{{\left | \cos \left (d x + c\right ) + 1 \right |}}\right ) + \frac {{\left (a^{2} + 2 \, a b + b^{2} + \frac {12 \, a^{2} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {16 \, a b {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {4 \, b^{2} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {48 \, a^{2} {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + \frac {36 \, a b {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}}\right )} {\left (\cos \left (d x + c\right ) + 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) - 1\right )}^{2}}}{64 \, d} \]
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Time = 14.34 (sec) , antiderivative size = 164, normalized size of antiderivative = 1.30 \[ \int \cot ^5(c+d x) (a+b \sec (c+d x))^2 \, dx=\frac {{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2\,\left (\frac {5\,a^2}{32}-\frac {3\,a\,b}{16}+\frac {b^2}{32}+\frac {{\left (a-b\right )}^2}{32}\right )}{d}-\frac {{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4\,{\left (a-b\right )}^2}{64\,d}+\frac {\ln \left (\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\right )\,\left (a^2+\frac {3\,b\,a}{4}\right )}{d}-\frac {a^2\,\ln \left ({\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2+1\right )}{d}-\frac {{\mathrm {cot}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4\,\left (\frac {a\,b}{2}+\frac {a^2}{4}+\frac {b^2}{4}-{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2\,\left (3\,a^2+4\,a\,b+b^2\right )\right )}{16\,d} \]
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