Integrand size = 23, antiderivative size = 259 \[ \int \frac {\sin ^3(c+d x)}{a+b \sin ^3(c+d x)} \, dx=\frac {x}{b}-\frac {2 \sqrt [3]{a} \arctan \left (\frac {\sqrt [3]{b}+\sqrt [3]{a} \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^{2/3}-b^{2/3}}}\right )}{3 \sqrt {a^{2/3}-b^{2/3}} b d}-\frac {2 \sqrt [3]{a} \arctan \left (\frac {(-1)^{2/3} \sqrt [3]{b}+\sqrt [3]{a} \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^{2/3}+\sqrt [3]{-1} b^{2/3}}}\right )}{3 \sqrt {a^{2/3}+\sqrt [3]{-1} b^{2/3}} b d}+\frac {2 \sqrt [3]{a} \arctan \left (\frac {\sqrt [3]{-1} \left (\sqrt [3]{b}+(-1)^{2/3} \sqrt [3]{a} \tan \left (\frac {1}{2} (c+d x)\right )\right )}{\sqrt {a^{2/3}-(-1)^{2/3} b^{2/3}}}\right )}{3 \sqrt {a^{2/3}-(-1)^{2/3} b^{2/3}} b d} \]
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Time = 0.29 (sec) , antiderivative size = 259, normalized size of antiderivative = 1.00, number of steps used = 13, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.217, Rules used = {3299, 3292, 2739, 632, 210} \[ \int \frac {\sin ^3(c+d x)}{a+b \sin ^3(c+d x)} \, dx=-\frac {2 \sqrt [3]{a} \arctan \left (\frac {\sqrt [3]{a} \tan \left (\frac {1}{2} (c+d x)\right )+\sqrt [3]{b}}{\sqrt {a^{2/3}-b^{2/3}}}\right )}{3 b d \sqrt {a^{2/3}-b^{2/3}}}-\frac {2 \sqrt [3]{a} \arctan \left (\frac {\sqrt [3]{a} \tan \left (\frac {1}{2} (c+d x)\right )+(-1)^{2/3} \sqrt [3]{b}}{\sqrt {a^{2/3}+\sqrt [3]{-1} b^{2/3}}}\right )}{3 b d \sqrt {a^{2/3}+\sqrt [3]{-1} b^{2/3}}}+\frac {2 \sqrt [3]{a} \arctan \left (\frac {\sqrt [3]{-1} \left ((-1)^{2/3} \sqrt [3]{a} \tan \left (\frac {1}{2} (c+d x)\right )+\sqrt [3]{b}\right )}{\sqrt {a^{2/3}-(-1)^{2/3} b^{2/3}}}\right )}{3 b d \sqrt {a^{2/3}-(-1)^{2/3} b^{2/3}}}+\frac {x}{b} \]
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Rule 210
Rule 632
Rule 2739
Rule 3292
Rule 3299
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {1}{b}-\frac {a}{b \left (a+b \sin ^3(c+d x)\right )}\right ) \, dx \\ & = \frac {x}{b}-\frac {a \int \frac {1}{a+b \sin ^3(c+d x)} \, dx}{b} \\ & = \frac {x}{b}-\frac {a \int \left (-\frac {1}{3 a^{2/3} \left (-\sqrt [3]{a}-\sqrt [3]{b} \sin (c+d x)\right )}-\frac {1}{3 a^{2/3} \left (-\sqrt [3]{a}+\sqrt [3]{-1} \sqrt [3]{b} \sin (c+d x)\right )}-\frac {1}{3 a^{2/3} \left (-\sqrt [3]{a}-(-1)^{2/3} \sqrt [3]{b} \sin (c+d x)\right )}\right ) \, dx}{b} \\ & = \frac {x}{b}+\frac {\sqrt [3]{a} \int \frac {1}{-\sqrt [3]{a}-\sqrt [3]{b} \sin (c+d x)} \, dx}{3 b}+\frac {\sqrt [3]{a} \int \frac {1}{-\sqrt [3]{a}+\sqrt [3]{-1} \sqrt [3]{b} \sin (c+d x)} \, dx}{3 b}+\frac {\sqrt [3]{a} \int \frac {1}{-\sqrt [3]{a}-(-1)^{2/3} \sqrt [3]{b} \sin (c+d x)} \, dx}{3 b} \\ & = \frac {x}{b}+\frac {\left (2 \sqrt [3]{a}\right ) \text {Subst}\left (\int \frac {1}{-\sqrt [3]{a}-2 \sqrt [3]{b} x-\sqrt [3]{a} x^2} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{3 b d}+\frac {\left (2 \sqrt [3]{a}\right ) \text {Subst}\left (\int \frac {1}{-\sqrt [3]{a}+2 \sqrt [3]{-1} \sqrt [3]{b} x-\sqrt [3]{a} x^2} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{3 b d}+\frac {\left (2 \sqrt [3]{a}\right ) \text {Subst}\left (\int \frac {1}{-\sqrt [3]{a}-2 (-1)^{2/3} \sqrt [3]{b} x-\sqrt [3]{a} x^2} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{3 b d} \\ & = \frac {x}{b}-\frac {\left (4 \sqrt [3]{a}\right ) \text {Subst}\left (\int \frac {1}{-4 \left (a^{2/3}-b^{2/3}\right )-x^2} \, dx,x,-2 \sqrt [3]{b}-2 \sqrt [3]{a} \tan \left (\frac {1}{2} (c+d x)\right )\right )}{3 b d}-\frac {\left (4 \sqrt [3]{a}\right ) \text {Subst}\left (\int \frac {1}{-4 \left (a^{2/3}+\sqrt [3]{-1} b^{2/3}\right )-x^2} \, dx,x,-2 (-1)^{2/3} \sqrt [3]{b}-2 \sqrt [3]{a} \tan \left (\frac {1}{2} (c+d x)\right )\right )}{3 b d}-\frac {\left (4 \sqrt [3]{a}\right ) \text {Subst}\left (\int \frac {1}{-4 \left (a^{2/3}-(-1)^{2/3} b^{2/3}\right )-x^2} \, dx,x,2 \sqrt [3]{-1} \sqrt [3]{b}-2 \sqrt [3]{a} \tan \left (\frac {1}{2} (c+d x)\right )\right )}{3 b d} \\ & = \frac {x}{b}+\frac {2 \sqrt [3]{a} \arctan \left (\frac {\sqrt [3]{-1} \sqrt [3]{b}-\sqrt [3]{a} \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^{2/3}-(-1)^{2/3} b^{2/3}}}\right )}{3 \sqrt {a^{2/3}-(-1)^{2/3} b^{2/3}} b d}-\frac {2 \sqrt [3]{a} \arctan \left (\frac {\sqrt [3]{b}+\sqrt [3]{a} \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^{2/3}-b^{2/3}}}\right )}{3 \sqrt {a^{2/3}-b^{2/3}} b d}-\frac {2 \sqrt [3]{a} \arctan \left (\frac {(-1)^{2/3} \sqrt [3]{b}+\sqrt [3]{a} \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^{2/3}+\sqrt [3]{-1} b^{2/3}}}\right )}{3 \sqrt {a^{2/3}+\sqrt [3]{-1} b^{2/3}} b d} \\ \end{align*}
Timed out. \[ \int \frac {\sin ^3(c+d x)}{a+b \sin ^3(c+d x)} \, dx=\text {\$Aborted} \]
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Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 0.78 (sec) , antiderivative size = 104, normalized size of antiderivative = 0.40
method | result | size |
derivativedivides | \(\frac {\frac {2 \arctan \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{b}-\frac {a \left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (a \,\textit {\_Z}^{6}+3 a \,\textit {\_Z}^{4}+8 b \,\textit {\_Z}^{3}+3 a \,\textit {\_Z}^{2}+a \right )}{\sum }\frac {\left (\textit {\_R}^{4}+2 \textit {\_R}^{2}+1\right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-\textit {\_R} \right )}{\textit {\_R}^{5} a +2 \textit {\_R}^{3} a +4 \textit {\_R}^{2} b +\textit {\_R} a}\right )}{3 b}}{d}\) | \(104\) |
default | \(\frac {\frac {2 \arctan \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{b}-\frac {a \left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (a \,\textit {\_Z}^{6}+3 a \,\textit {\_Z}^{4}+8 b \,\textit {\_Z}^{3}+3 a \,\textit {\_Z}^{2}+a \right )}{\sum }\frac {\left (\textit {\_R}^{4}+2 \textit {\_R}^{2}+1\right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-\textit {\_R} \right )}{\textit {\_R}^{5} a +2 \textit {\_R}^{3} a +4 \textit {\_R}^{2} b +\textit {\_R} a}\right )}{3 b}}{d}\) | \(104\) |
risch | \(\frac {x}{b}+\frac {i \left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (\left (729 a^{2} b^{6} d^{6}-729 b^{8} d^{6}\right ) \textit {\_Z}^{6}-15552 a^{2} b^{4} d^{4} \textit {\_Z}^{4}+110592 a^{2} b^{2} d^{2} \textit {\_Z}^{2}-262144 a^{2}\right )}{\sum }\textit {\_R} \ln \left ({\mathrm e}^{i \left (d x +c \right )}+\left (\frac {243 i a \,b^{4} d^{5}}{16384}-\frac {243 i b^{6} d^{5}}{16384 a}\right ) \textit {\_R}^{5}+\left (-\frac {81 i a \,b^{3} d^{4}}{4096}+\frac {81 i b^{5} d^{4}}{4096 a}\right ) \textit {\_R}^{4}+\left (-\frac {135 i a \,b^{2} d^{3}}{512}-\frac {27 i b^{4} d^{3}}{512 a}\right ) \textit {\_R}^{3}+\frac {27 i a b \,d^{2} \textit {\_R}^{2}}{64}+\frac {9 i a d \textit {\_R}}{8}-\frac {2 i a}{b}\right )\right )}{8}\) | \(190\) |
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Result contains complex when optimal does not.
Time = 1.25 (sec) , antiderivative size = 29221, normalized size of antiderivative = 112.82 \[ \int \frac {\sin ^3(c+d x)}{a+b \sin ^3(c+d x)} \, dx=\text {Too large to display} \]
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Timed out. \[ \int \frac {\sin ^3(c+d x)}{a+b \sin ^3(c+d x)} \, dx=\text {Timed out} \]
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\[ \int \frac {\sin ^3(c+d x)}{a+b \sin ^3(c+d x)} \, dx=\int { \frac {\sin \left (d x + c\right )^{3}}{b \sin \left (d x + c\right )^{3} + a} \,d x } \]
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\[ \int \frac {\sin ^3(c+d x)}{a+b \sin ^3(c+d x)} \, dx=\int { \frac {\sin \left (d x + c\right )^{3}}{b \sin \left (d x + c\right )^{3} + a} \,d x } \]
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Time = 14.44 (sec) , antiderivative size = 1672, normalized size of antiderivative = 6.46 \[ \int \frac {\sin ^3(c+d x)}{a+b \sin ^3(c+d x)} \, dx=\text {Too large to display} \]
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