Integrand size = 8, antiderivative size = 73 \[ \int x^3 \sin ^3(x) \, dx=\frac {40}{9} x \cos (x)-\frac {2}{3} x^3 \cos (x)-\frac {40 \sin (x)}{9}+2 x^2 \sin (x)+\frac {2}{9} x \cos (x) \sin ^2(x)-\frac {1}{3} x^3 \cos (x) \sin ^2(x)-\frac {2 \sin ^3(x)}{27}+\frac {1}{3} x^2 \sin ^3(x) \]
[Out]
Time = 0.06 (sec) , antiderivative size = 73, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {3392, 3377, 2717, 3391} \[ \int x^3 \sin ^3(x) \, dx=-\frac {2}{3} x^3 \cos (x)-\frac {1}{3} x^3 \sin ^2(x) \cos (x)+\frac {1}{3} x^2 \sin ^3(x)+2 x^2 \sin (x)-\frac {2 \sin ^3(x)}{27}-\frac {40 \sin (x)}{9}+\frac {40}{9} x \cos (x)+\frac {2}{9} x \sin ^2(x) \cos (x) \]
[In]
[Out]
Rule 2717
Rule 3377
Rule 3391
Rule 3392
Rubi steps \begin{align*} \text {integral}& = -\frac {1}{3} x^3 \cos (x) \sin ^2(x)+\frac {1}{3} x^2 \sin ^3(x)+\frac {2}{3} \int x^3 \sin (x) \, dx-\frac {2}{3} \int x \sin ^3(x) \, dx \\ & = -\frac {2}{3} x^3 \cos (x)+\frac {2}{9} x \cos (x) \sin ^2(x)-\frac {1}{3} x^3 \cos (x) \sin ^2(x)-\frac {2 \sin ^3(x)}{27}+\frac {1}{3} x^2 \sin ^3(x)-\frac {4}{9} \int x \sin (x) \, dx+2 \int x^2 \cos (x) \, dx \\ & = \frac {4}{9} x \cos (x)-\frac {2}{3} x^3 \cos (x)+2 x^2 \sin (x)+\frac {2}{9} x \cos (x) \sin ^2(x)-\frac {1}{3} x^3 \cos (x) \sin ^2(x)-\frac {2 \sin ^3(x)}{27}+\frac {1}{3} x^2 \sin ^3(x)-\frac {4}{9} \int \cos (x) \, dx-4 \int x \sin (x) \, dx \\ & = \frac {40}{9} x \cos (x)-\frac {2}{3} x^3 \cos (x)-\frac {4 \sin (x)}{9}+2 x^2 \sin (x)+\frac {2}{9} x \cos (x) \sin ^2(x)-\frac {1}{3} x^3 \cos (x) \sin ^2(x)-\frac {2 \sin ^3(x)}{27}+\frac {1}{3} x^2 \sin ^3(x)-4 \int \cos (x) \, dx \\ & = \frac {40}{9} x \cos (x)-\frac {2}{3} x^3 \cos (x)-\frac {40 \sin (x)}{9}+2 x^2 \sin (x)+\frac {2}{9} x \cos (x) \sin ^2(x)-\frac {1}{3} x^3 \cos (x) \sin ^2(x)-\frac {2 \sin ^3(x)}{27}+\frac {1}{3} x^2 \sin ^3(x) \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 51, normalized size of antiderivative = 0.70 \[ \int x^3 \sin ^3(x) \, dx=\frac {1}{108} \left (-81 x \left (-6+x^2\right ) \cos (x)+3 x \left (-2+3 x^2\right ) \cos (3 x)+243 \left (-2+x^2\right ) \sin (x)-\left (-2+9 x^2\right ) \sin (3 x)\right ) \]
[In]
[Out]
Time = 0.53 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.68
method | result | size |
risch | \(\left (-\frac {3}{4} x^{3}+\frac {9}{2} x \right ) \cos \left (x \right )+\frac {9 \left (x^{2}-2\right ) \sin \left (x \right )}{4}+\left (\frac {1}{12} x^{3}-\frac {1}{18} x \right ) \cos \left (3 x \right )-\frac {\left (9 x^{2}-2\right ) \sin \left (3 x \right )}{108}\) | \(50\) |
default | \(-\frac {x^{3} \left (2+\sin ^{2}\left (x \right )\right ) \cos \left (x \right )}{3}+2 x^{2} \sin \left (x \right )-\frac {40 \sin \left (x \right )}{9}+4 x \cos \left (x \right )+\frac {x^{2} \left (\sin ^{3}\left (x \right )\right )}{3}+\frac {2 x \left (2+\sin ^{2}\left (x \right )\right ) \cos \left (x \right )}{9}-\frac {2 \left (\sin ^{3}\left (x \right )\right )}{27}\) | \(57\) |
norman | \(\frac {\frac {40 x}{9}-\frac {2 x^{3}}{3}-\frac {496 \left (\tan ^{3}\left (\frac {x}{2}\right )\right )}{27}-\frac {80 \left (\tan ^{5}\left (\frac {x}{2}\right )\right )}{9}+\frac {16 x \left (\tan ^{2}\left (\frac {x}{2}\right )\right )}{3}-\frac {16 x \left (\tan ^{4}\left (\frac {x}{2}\right )\right )}{3}-\frac {40 x \left (\tan ^{6}\left (\frac {x}{2}\right )\right )}{9}+4 x^{2} \tan \left (\frac {x}{2}\right )-2 x^{3} \left (\tan ^{2}\left (\frac {x}{2}\right )\right )+2 x^{3} \left (\tan ^{4}\left (\frac {x}{2}\right )\right )+\frac {2 x^{3} \left (\tan ^{6}\left (\frac {x}{2}\right )\right )}{3}+\frac {32 \left (\tan ^{3}\left (\frac {x}{2}\right )\right ) x^{2}}{3}+4 \left (\tan ^{5}\left (\frac {x}{2}\right )\right ) x^{2}-\frac {80 \tan \left (\frac {x}{2}\right )}{9}}{\left (1+\tan ^{2}\left (\frac {x}{2}\right )\right )^{3}}\) | \(134\) |
[In]
[Out]
none
Time = 0.24 (sec) , antiderivative size = 52, normalized size of antiderivative = 0.71 \[ \int x^3 \sin ^3(x) \, dx=\frac {1}{9} \, {\left (3 \, x^{3} - 2 \, x\right )} \cos \left (x\right )^{3} - \frac {1}{3} \, {\left (3 \, x^{3} - 14 \, x\right )} \cos \left (x\right ) - \frac {1}{27} \, {\left ({\left (9 \, x^{2} - 2\right )} \cos \left (x\right )^{2} - 63 \, x^{2} + 122\right )} \sin \left (x\right ) \]
[In]
[Out]
Time = 0.25 (sec) , antiderivative size = 92, normalized size of antiderivative = 1.26 \[ \int x^3 \sin ^3(x) \, dx=- x^{3} \sin ^{2}{\left (x \right )} \cos {\left (x \right )} - \frac {2 x^{3} \cos ^{3}{\left (x \right )}}{3} + \frac {7 x^{2} \sin ^{3}{\left (x \right )}}{3} + 2 x^{2} \sin {\left (x \right )} \cos ^{2}{\left (x \right )} + \frac {14 x \sin ^{2}{\left (x \right )} \cos {\left (x \right )}}{3} + \frac {40 x \cos ^{3}{\left (x \right )}}{9} - \frac {122 \sin ^{3}{\left (x \right )}}{27} - \frac {40 \sin {\left (x \right )} \cos ^{2}{\left (x \right )}}{9} \]
[In]
[Out]
none
Time = 0.19 (sec) , antiderivative size = 49, normalized size of antiderivative = 0.67 \[ \int x^3 \sin ^3(x) \, dx=\frac {1}{36} \, {\left (3 \, x^{3} - 2 \, x\right )} \cos \left (3 \, x\right ) - \frac {3}{4} \, {\left (x^{3} - 6 \, x\right )} \cos \left (x\right ) - \frac {1}{108} \, {\left (9 \, x^{2} - 2\right )} \sin \left (3 \, x\right ) + \frac {9}{4} \, {\left (x^{2} - 2\right )} \sin \left (x\right ) \]
[In]
[Out]
none
Time = 0.31 (sec) , antiderivative size = 49, normalized size of antiderivative = 0.67 \[ \int x^3 \sin ^3(x) \, dx=\frac {1}{36} \, {\left (3 \, x^{3} - 2 \, x\right )} \cos \left (3 \, x\right ) - \frac {3}{4} \, {\left (x^{3} - 6 \, x\right )} \cos \left (x\right ) - \frac {1}{108} \, {\left (9 \, x^{2} - 2\right )} \sin \left (3 \, x\right ) + \frac {9}{4} \, {\left (x^{2} - 2\right )} \sin \left (x\right ) \]
[In]
[Out]
Time = 0.38 (sec) , antiderivative size = 59, normalized size of antiderivative = 0.81 \[ \int x^3 \sin ^3(x) \, dx=\frac {7\,x^2\,\sin \left (x\right )}{3}-\frac {2\,x\,{\cos \left (x\right )}^3}{9}-x^3\,\cos \left (x\right )-\frac {122\,\sin \left (x\right )}{27}+\frac {x^3\,{\cos \left (x\right )}^3}{3}+\frac {2\,{\cos \left (x\right )}^2\,\sin \left (x\right )}{27}+\frac {14\,x\,\cos \left (x\right )}{3}-\frac {x^2\,{\cos \left (x\right )}^2\,\sin \left (x\right )}{3} \]
[In]
[Out]