Integrand size = 19, antiderivative size = 80 \[ \int \sec (c+d x) (a+b \sin (c+d x))^3 \, dx=-\frac {(a+b)^3 \log (1-\sin (c+d x))}{2 d}+\frac {(a-b)^3 \log (1+\sin (c+d x))}{2 d}-\frac {3 a b^2 \sin (c+d x)}{d}-\frac {b^3 \sin ^2(c+d x)}{2 d} \]
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Time = 0.07 (sec) , antiderivative size = 80, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.211, Rules used = {2747, 716, 647, 31} \[ \int \sec (c+d x) (a+b \sin (c+d x))^3 \, dx=-\frac {3 a b^2 \sin (c+d x)}{d}+\frac {(a-b)^3 \log (\sin (c+d x)+1)}{2 d}-\frac {(a+b)^3 \log (1-\sin (c+d x))}{2 d}-\frac {b^3 \sin ^2(c+d x)}{2 d} \]
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Rule 31
Rule 647
Rule 716
Rule 2747
Rubi steps \begin{align*} \text {integral}& = \frac {b \text {Subst}\left (\int \frac {(a+x)^3}{b^2-x^2} \, dx,x,b \sin (c+d x)\right )}{d} \\ & = \frac {b \text {Subst}\left (\int \left (-3 a-x+\frac {a^3+3 a b^2+\left (3 a^2+b^2\right ) x}{b^2-x^2}\right ) \, dx,x,b \sin (c+d x)\right )}{d} \\ & = -\frac {3 a b^2 \sin (c+d x)}{d}-\frac {b^3 \sin ^2(c+d x)}{2 d}+\frac {b \text {Subst}\left (\int \frac {a^3+3 a b^2+\left (3 a^2+b^2\right ) x}{b^2-x^2} \, dx,x,b \sin (c+d x)\right )}{d} \\ & = -\frac {3 a b^2 \sin (c+d x)}{d}-\frac {b^3 \sin ^2(c+d x)}{2 d}-\frac {(a-b)^3 \text {Subst}\left (\int \frac {1}{-b-x} \, dx,x,b \sin (c+d x)\right )}{2 d}+\frac {(a+b)^3 \text {Subst}\left (\int \frac {1}{b-x} \, dx,x,b \sin (c+d x)\right )}{2 d} \\ & = -\frac {(a+b)^3 \log (1-\sin (c+d x))}{2 d}+\frac {(a-b)^3 \log (1+\sin (c+d x))}{2 d}-\frac {3 a b^2 \sin (c+d x)}{d}-\frac {b^3 \sin ^2(c+d x)}{2 d} \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 67, normalized size of antiderivative = 0.84 \[ \int \sec (c+d x) (a+b \sin (c+d x))^3 \, dx=-\frac {(a+b)^3 \log (1-\sin (c+d x))-(a-b)^3 \log (1+\sin (c+d x))+6 a b^2 \sin (c+d x)+b^3 \sin ^2(c+d x)}{2 d} \]
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Time = 0.76 (sec) , antiderivative size = 90, normalized size of antiderivative = 1.12
method | result | size |
derivativedivides | \(\frac {a^{3} \ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )-3 a^{2} b \ln \left (\cos \left (d x +c \right )\right )+3 a \,b^{2} \left (-\sin \left (d x +c \right )+\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )\right )+b^{3} \left (-\frac {\left (\sin ^{2}\left (d x +c \right )\right )}{2}-\ln \left (\cos \left (d x +c \right )\right )\right )}{d}\) | \(90\) |
default | \(\frac {a^{3} \ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )-3 a^{2} b \ln \left (\cos \left (d x +c \right )\right )+3 a \,b^{2} \left (-\sin \left (d x +c \right )+\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )\right )+b^{3} \left (-\frac {\left (\sin ^{2}\left (d x +c \right )\right )}{2}-\ln \left (\cos \left (d x +c \right )\right )\right )}{d}\) | \(90\) |
parallelrisch | \(\frac {4 \left (3 a^{2} b +b^{3}\right ) \ln \left (\sec ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-4 \left (a +b \right )^{3} \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )+4 \left (a -b \right )^{3} \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )-12 a \,b^{2} \sin \left (d x +c \right )+\cos \left (2 d x +2 c \right ) b^{3}-b^{3}}{4 d}\) | \(101\) |
norman | \(\frac {-\frac {2 b^{3} \left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}-\frac {2 b^{3} \left (\tan ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}-\frac {6 a \,b^{2} \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{d}-\frac {12 a \,b^{2} \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}-\frac {6 a \,b^{2} \left (\tan ^{5}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}}{\left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )^{3}}+\frac {\left (a^{3}-3 a^{2} b +3 a \,b^{2}-b^{3}\right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )}{d}+\frac {b \left (3 a^{2}+b^{2}\right ) \ln \left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}-\frac {\left (a^{3}+3 a^{2} b +3 a \,b^{2}+b^{3}\right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )}{d}\) | \(216\) |
risch | \(\frac {3 i a \,b^{2} {\mathrm e}^{i \left (d x +c \right )}}{2 d}+\frac {2 i b^{3} c}{d}+\frac {6 i a^{2} b c}{d}+3 i a^{2} b x -\frac {3 i a \,b^{2} {\mathrm e}^{-i \left (d x +c \right )}}{2 d}+i b^{3} x +\frac {a^{3} \ln \left ({\mathrm e}^{i \left (d x +c \right )}+i\right )}{d}-\frac {3 \ln \left ({\mathrm e}^{i \left (d x +c \right )}+i\right ) a^{2} b}{d}+\frac {3 \ln \left ({\mathrm e}^{i \left (d x +c \right )}+i\right ) a \,b^{2}}{d}-\frac {\ln \left ({\mathrm e}^{i \left (d x +c \right )}+i\right ) b^{3}}{d}-\frac {a^{3} \ln \left (-i+{\mathrm e}^{i \left (d x +c \right )}\right )}{d}-\frac {3 \ln \left (-i+{\mathrm e}^{i \left (d x +c \right )}\right ) a^{2} b}{d}-\frac {3 \ln \left (-i+{\mathrm e}^{i \left (d x +c \right )}\right ) a \,b^{2}}{d}-\frac {\ln \left (-i+{\mathrm e}^{i \left (d x +c \right )}\right ) b^{3}}{d}+\frac {b^{3} \cos \left (2 d x +2 c \right )}{4 d}\) | \(264\) |
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Time = 0.30 (sec) , antiderivative size = 93, normalized size of antiderivative = 1.16 \[ \int \sec (c+d x) (a+b \sin (c+d x))^3 \, dx=\frac {b^{3} \cos \left (d x + c\right )^{2} - 6 \, a b^{2} \sin \left (d x + c\right ) + {\left (a^{3} - 3 \, a^{2} b + 3 \, a b^{2} - b^{3}\right )} \log \left (\sin \left (d x + c\right ) + 1\right ) - {\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} \log \left (-\sin \left (d x + c\right ) + 1\right )}{2 \, d} \]
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\[ \int \sec (c+d x) (a+b \sin (c+d x))^3 \, dx=\int \left (a + b \sin {\left (c + d x \right )}\right )^{3} \sec {\left (c + d x \right )}\, dx \]
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Time = 0.19 (sec) , antiderivative size = 91, normalized size of antiderivative = 1.14 \[ \int \sec (c+d x) (a+b \sin (c+d x))^3 \, dx=-\frac {b^{3} \sin \left (d x + c\right )^{2} + 6 \, a b^{2} \sin \left (d x + c\right ) - {\left (a^{3} - 3 \, a^{2} b + 3 \, a b^{2} - b^{3}\right )} \log \left (\sin \left (d x + c\right ) + 1\right ) + {\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} \log \left (\sin \left (d x + c\right ) - 1\right )}{2 \, d} \]
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Time = 0.32 (sec) , antiderivative size = 93, normalized size of antiderivative = 1.16 \[ \int \sec (c+d x) (a+b \sin (c+d x))^3 \, dx=-\frac {b^{3} \sin \left (d x + c\right )^{2} + 6 \, a b^{2} \sin \left (d x + c\right ) - {\left (a^{3} - 3 \, a^{2} b + 3 \, a b^{2} - b^{3}\right )} \log \left ({\left | \sin \left (d x + c\right ) + 1 \right |}\right ) + {\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} \log \left ({\left | \sin \left (d x + c\right ) - 1 \right |}\right )}{2 \, d} \]
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Time = 4.99 (sec) , antiderivative size = 65, normalized size of antiderivative = 0.81 \[ \int \sec (c+d x) (a+b \sin (c+d x))^3 \, dx=-\frac {\frac {\ln \left (\sin \left (c+d\,x\right )-1\right )\,{\left (a+b\right )}^3}{2}-\frac {\ln \left (\sin \left (c+d\,x\right )+1\right )\,{\left (a-b\right )}^3}{2}+\frac {b^3\,{\sin \left (c+d\,x\right )}^2}{2}+3\,a\,b^2\,\sin \left (c+d\,x\right )}{d} \]
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