Integrand size = 13, antiderivative size = 41 \[ \int \cos ^2(3 x) \sin ^3(2 x) \, dx=-\frac {3}{16} \cos (2 x)+\frac {3}{64} \cos (4 x)+\frac {1}{48} \cos (6 x)-\frac {3}{128} \cos (8 x)+\frac {1}{192} \cos (12 x) \]
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Time = 0.05 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {4439, 2718} \[ \int \cos ^2(3 x) \sin ^3(2 x) \, dx=-\frac {3}{16} \cos (2 x)+\frac {3}{64} \cos (4 x)+\frac {1}{48} \cos (6 x)-\frac {3}{128} \cos (8 x)+\frac {1}{192} \cos (12 x) \]
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Rule 2718
Rule 4439
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {3}{8} \sin (2 x)-\frac {3}{16} \sin (4 x)-\frac {1}{8} \sin (6 x)+\frac {3}{16} \sin (8 x)-\frac {1}{16} \sin (12 x)\right ) \, dx \\ & = -\left (\frac {1}{16} \int \sin (12 x) \, dx\right )-\frac {1}{8} \int \sin (6 x) \, dx-\frac {3}{16} \int \sin (4 x) \, dx+\frac {3}{16} \int \sin (8 x) \, dx+\frac {3}{8} \int \sin (2 x) \, dx \\ & = -\frac {3}{16} \cos (2 x)+\frac {3}{64} \cos (4 x)+\frac {1}{48} \cos (6 x)-\frac {3}{128} \cos (8 x)+\frac {1}{192} \cos (12 x) \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.00 \[ \int \cos ^2(3 x) \sin ^3(2 x) \, dx=-\frac {3}{16} \cos (2 x)+\frac {3}{64} \cos (4 x)+\frac {1}{48} \cos (6 x)-\frac {3}{128} \cos (8 x)+\frac {1}{192} \cos (12 x) \]
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Time = 1.21 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.78
method | result | size |
default | \(-\frac {3 \cos \left (2 x \right )}{16}+\frac {3 \cos \left (4 x \right )}{64}+\frac {\cos \left (6 x \right )}{48}-\frac {3 \cos \left (8 x \right )}{128}+\frac {\cos \left (12 x \right )}{192}\) | \(32\) |
risch | \(-\frac {3 \cos \left (2 x \right )}{16}+\frac {3 \cos \left (4 x \right )}{64}+\frac {\cos \left (6 x \right )}{48}-\frac {3 \cos \left (8 x \right )}{128}+\frac {\cos \left (12 x \right )}{192}\) | \(32\) |
parallelrisch | \(\frac {377}{1920}-\frac {3 \cos \left (8 x \right )}{128}+\frac {\cos \left (12 x \right )}{192}-\frac {3 \cos \left (2 x \right )}{16}+\frac {\cos \left (6 x \right )}{48}+\frac {3 \cos \left (4 x \right )}{64}\) | \(33\) |
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Time = 0.25 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.61 \[ \int \cos ^2(3 x) \sin ^3(2 x) \, dx=\frac {32}{3} \, \cos \left (x\right )^{12} - 32 \, \cos \left (x\right )^{10} + 33 \, \cos \left (x\right )^{8} - 12 \, \cos \left (x\right )^{6} \]
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Leaf count of result is larger than twice the leaf count of optimal. 226 vs. \(2 (37) = 74\).
Time = 1.51 (sec) , antiderivative size = 226, normalized size of antiderivative = 5.51 \[ \int \cos ^2(3 x) \sin ^3(2 x) \, dx=- \frac {x \sin ^{3}{\left (2 x \right )} \sin ^{2}{\left (3 x \right )}}{16} + \frac {x \sin ^{3}{\left (2 x \right )} \cos ^{2}{\left (3 x \right )}}{16} - \frac {3 x \sin ^{2}{\left (2 x \right )} \sin {\left (3 x \right )} \cos {\left (2 x \right )} \cos {\left (3 x \right )}}{8} + \frac {3 x \sin {\left (2 x \right )} \sin ^{2}{\left (3 x \right )} \cos ^{2}{\left (2 x \right )}}{16} - \frac {3 x \sin {\left (2 x \right )} \cos ^{2}{\left (2 x \right )} \cos ^{2}{\left (3 x \right )}}{16} + \frac {x \sin {\left (3 x \right )} \cos ^{3}{\left (2 x \right )} \cos {\left (3 x \right )}}{8} - \frac {\sin ^{3}{\left (2 x \right )} \sin {\left (3 x \right )} \cos {\left (3 x \right )}}{48} - \frac {\sin ^{2}{\left (2 x \right )} \cos {\left (2 x \right )} \cos ^{2}{\left (3 x \right )}}{2} + \frac {5 \sin {\left (2 x \right )} \sin {\left (3 x \right )} \cos ^{2}{\left (2 x \right )} \cos {\left (3 x \right )}}{8} - \frac {9 \sin ^{2}{\left (3 x \right )} \cos ^{3}{\left (2 x \right )}}{32} - \frac {5 \cos ^{3}{\left (2 x \right )} \cos ^{2}{\left (3 x \right )}}{96} \]
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Time = 0.21 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.76 \[ \int \cos ^2(3 x) \sin ^3(2 x) \, dx=\frac {1}{192} \, \cos \left (12 \, x\right ) - \frac {3}{128} \, \cos \left (8 \, x\right ) + \frac {1}{48} \, \cos \left (6 \, x\right ) + \frac {3}{64} \, \cos \left (4 \, x\right ) - \frac {3}{16} \, \cos \left (2 \, x\right ) \]
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Time = 0.26 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.76 \[ \int \cos ^2(3 x) \sin ^3(2 x) \, dx=\frac {1}{192} \, \cos \left (12 \, x\right ) - \frac {3}{128} \, \cos \left (8 \, x\right ) + \frac {1}{48} \, \cos \left (6 \, x\right ) + \frac {3}{64} \, \cos \left (4 \, x\right ) - \frac {3}{16} \, \cos \left (2 \, x\right ) \]
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Time = 0.09 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.61 \[ \int \cos ^2(3 x) \sin ^3(2 x) \, dx=\frac {32\,{\cos \left (x\right )}^{12}}{3}-32\,{\cos \left (x\right )}^{10}+33\,{\cos \left (x\right )}^8-12\,{\cos \left (x\right )}^6 \]
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