Integrand size = 21, antiderivative size = 40 \[ \int \sec ^3(c+d x) (a+a \sin (c+d x))^3 \, dx=\frac {a^3 \log (1-\sin (c+d x))}{d}+\frac {2 a^4}{d (a-a \sin (c+d x))} \]
[Out]
Time = 0.06 (sec) , antiderivative size = 40, 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 = {2746, 45} \[ \int \sec ^3(c+d x) (a+a \sin (c+d x))^3 \, dx=\frac {2 a^4}{d (a-a \sin (c+d x))}+\frac {a^3 \log (1-\sin (c+d x))}{d} \]
[In]
[Out]
Rule 45
Rule 2746
Rubi steps \begin{align*} \text {integral}& = \frac {a^3 \text {Subst}\left (\int \frac {a+x}{(a-x)^2} \, dx,x,a \sin (c+d x)\right )}{d} \\ & = \frac {a^3 \text {Subst}\left (\int \left (\frac {2 a}{(a-x)^2}+\frac {1}{-a+x}\right ) \, dx,x,a \sin (c+d x)\right )}{d} \\ & = \frac {a^3 \log (1-\sin (c+d x))}{d}+\frac {2 a^4}{d (a-a \sin (c+d x))} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.48 \[ \int \sec ^3(c+d x) (a+a \sin (c+d x))^3 \, dx=\frac {a^3 \sec ^2(c+d x) \left (\log (1-\sin (c+d x))+\frac {2}{1-\sin (c+d x)}\right ) (1-\sin (c+d x)) (1+\sin (c+d x))}{d} \]
[In]
[Out]
Result contains complex when optimal does not.
Time = 0.52 (sec) , antiderivative size = 72, normalized size of antiderivative = 1.80
method | result | size |
risch | \(-i a^{3} x -\frac {2 i a^{3} c}{d}-\frac {4 i a^{3} {\mathrm e}^{i \left (d x +c \right )}}{\left (-i+{\mathrm e}^{i \left (d x +c \right )}\right )^{2} d}+\frac {2 a^{3} \ln \left (-i+{\mathrm e}^{i \left (d x +c \right )}\right )}{d}\) | \(72\) |
parallelrisch | \(-\frac {a^{3} \left (\left (\sin \left (d x +c \right )-1\right ) \ln \left (\sec ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\left (2-2 \sin \left (d x +c \right )\right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )+2 \sin \left (d x +c \right )\right )}{d \left (\sin \left (d x +c \right )-1\right )}\) | \(72\) |
derivativedivides | \(\frac {a^{3} \left (\frac {\left (\tan ^{2}\left (d x +c \right )\right )}{2}+\ln \left (\cos \left (d x +c \right )\right )\right )+3 a^{3} \left (\frac {\sin ^{3}\left (d x +c \right )}{2 \cos \left (d x +c \right )^{2}}+\frac {\sin \left (d x +c \right )}{2}-\frac {\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )}{2}\right )+\frac {3 a^{3}}{2 \cos \left (d x +c \right )^{2}}+a^{3} \left (\frac {\sec \left (d x +c \right ) \tan \left (d x +c \right )}{2}+\frac {\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )}{2}\right )}{d}\) | \(124\) |
default | \(\frac {a^{3} \left (\frac {\left (\tan ^{2}\left (d x +c \right )\right )}{2}+\ln \left (\cos \left (d x +c \right )\right )\right )+3 a^{3} \left (\frac {\sin ^{3}\left (d x +c \right )}{2 \cos \left (d x +c \right )^{2}}+\frac {\sin \left (d x +c \right )}{2}-\frac {\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )}{2}\right )+\frac {3 a^{3}}{2 \cos \left (d x +c \right )^{2}}+a^{3} \left (\frac {\sec \left (d x +c \right ) \tan \left (d x +c \right )}{2}+\frac {\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )}{2}\right )}{d}\) | \(124\) |
norman | \(\frac {-\frac {8 a^{3}}{d}+\frac {4 a^{3} \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{d}+\frac {16 a^{3} \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}+\frac {24 a^{3} \left (\tan ^{5}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}+\frac {16 a^{3} \left (\tan ^{7}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}+\frac {4 a^{3} \left (\tan ^{9}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}-\frac {8 a^{3} \left (\tan ^{10}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}+\frac {40 a^{3} \left (\tan ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}+\frac {40 a^{3} \left (\tan ^{6}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}}{\left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )^{2} \left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )^{3}}+\frac {2 a^{3} \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )}{d}-\frac {a^{3} \ln \left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}\) | \(234\) |
[In]
[Out]
none
Time = 0.31 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.28 \[ \int \sec ^3(c+d x) (a+a \sin (c+d x))^3 \, dx=-\frac {2 \, a^{3} - {\left (a^{3} \sin \left (d x + c\right ) - a^{3}\right )} \log \left (-\sin \left (d x + c\right ) + 1\right )}{d \sin \left (d x + c\right ) - d} \]
[In]
[Out]
\[ \int \sec ^3(c+d x) (a+a \sin (c+d x))^3 \, dx=a^{3} \left (\int 3 \sin {\left (c + d x \right )} \sec ^{3}{\left (c + d x \right )}\, dx + \int 3 \sin ^{2}{\left (c + d x \right )} \sec ^{3}{\left (c + d x \right )}\, dx + \int \sin ^{3}{\left (c + d x \right )} \sec ^{3}{\left (c + d x \right )}\, dx + \int \sec ^{3}{\left (c + d x \right )}\, dx\right ) \]
[In]
[Out]
none
Time = 0.19 (sec) , antiderivative size = 33, normalized size of antiderivative = 0.82 \[ \int \sec ^3(c+d x) (a+a \sin (c+d x))^3 \, dx=\frac {a^{3} \log \left (\sin \left (d x + c\right ) - 1\right ) - \frac {2 \, a^{3}}{\sin \left (d x + c\right ) - 1}}{d} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 92 vs. \(2 (41) = 82\).
Time = 0.35 (sec) , antiderivative size = 92, normalized size of antiderivative = 2.30 \[ \int \sec ^3(c+d x) (a+a \sin (c+d x))^3 \, dx=-\frac {a^{3} \log \left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 1\right ) - 2 \, a^{3} \log \left ({\left | \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 1 \right |}\right ) + \frac {3 \, a^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 10 \, a^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 3 \, a^{3}}{{\left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 1\right )}^{2}}}{d} \]
[In]
[Out]
Time = 6.04 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.88 \[ \int \sec ^3(c+d x) (a+a \sin (c+d x))^3 \, dx=\frac {a^3\,\ln \left (\sin \left (c+d\,x\right )-1\right )}{d}-\frac {2\,a^3}{d\,\left (\sin \left (c+d\,x\right )-1\right )} \]
[In]
[Out]