Integrand size = 9, antiderivative size = 33 \[ \int \cos (x) \sin ^3(6 x) \, dx=-\frac {3}{40} \cos (5 x)-\frac {3}{56} \cos (7 x)+\frac {1}{136} \cos (17 x)+\frac {1}{152} \cos (19 x) \]
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Time = 0.05 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {4439, 2718} \[ \int \cos (x) \sin ^3(6 x) \, dx=-\frac {3}{40} \cos (5 x)-\frac {3}{56} \cos (7 x)+\frac {1}{136} \cos (17 x)+\frac {1}{152} \cos (19 x) \]
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Rule 2718
Rule 4439
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {3}{8} \sin (5 x)+\frac {3}{8} \sin (7 x)-\frac {1}{8} \sin (17 x)-\frac {1}{8} \sin (19 x)\right ) \, dx \\ & = -\left (\frac {1}{8} \int \sin (17 x) \, dx\right )-\frac {1}{8} \int \sin (19 x) \, dx+\frac {3}{8} \int \sin (5 x) \, dx+\frac {3}{8} \int \sin (7 x) \, dx \\ & = -\frac {3}{40} \cos (5 x)-\frac {3}{56} \cos (7 x)+\frac {1}{136} \cos (17 x)+\frac {1}{152} \cos (19 x) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.00 \[ \int \cos (x) \sin ^3(6 x) \, dx=-\frac {3}{40} \cos (5 x)-\frac {3}{56} \cos (7 x)+\frac {1}{136} \cos (17 x)+\frac {1}{152} \cos (19 x) \]
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Time = 0.77 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.79
method | result | size |
default | \(-\frac {3 \cos \left (5 x \right )}{40}-\frac {3 \cos \left (7 x \right )}{56}+\frac {\cos \left (17 x \right )}{136}+\frac {\cos \left (19 x \right )}{152}\) | \(26\) |
risch | \(-\frac {3 \cos \left (5 x \right )}{40}-\frac {3 \cos \left (7 x \right )}{56}+\frac {\cos \left (17 x \right )}{136}+\frac {\cos \left (19 x \right )}{152}\) | \(26\) |
parallelrisch | \(\frac {1272}{11305}-\frac {3 \cos \left (5 x \right )}{40}-\frac {3 \cos \left (7 x \right )}{56}+\frac {\cos \left (17 x \right )}{136}+\frac {\cos \left (19 x \right )}{152}\) | \(27\) |
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Time = 0.30 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.48 \[ \int \cos (x) \sin ^3(6 x) \, dx=\frac {32768}{19} \, \cos \left (x\right )^{19} - \frac {131072}{17} \, \cos \left (x\right )^{17} + 14336 \, \cos \left (x\right )^{15} - 14336 \, \cos \left (x\right )^{13} + 8320 \, \cos \left (x\right )^{11} - 2816 \, \cos \left (x\right )^{9} + \frac {3672}{7} \, \cos \left (x\right )^{7} - \frac {216}{5} \, \cos \left (x\right )^{5} \]
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Leaf count of result is larger than twice the leaf count of optimal. 65 vs. \(2 (29) = 58\).
Time = 0.61 (sec) , antiderivative size = 65, normalized size of antiderivative = 1.97 \[ \int \cos (x) \sin ^3(6 x) \, dx=- \frac {251 \sin {\left (x \right )} \sin ^{3}{\left (6 x \right )}}{11305} - \frac {216 \sin {\left (x \right )} \sin {\left (6 x \right )} \cos ^{2}{\left (6 x \right )}}{11305} - \frac {1926 \sin ^{2}{\left (6 x \right )} \cos {\left (x \right )} \cos {\left (6 x \right )}}{11305} - \frac {1296 \cos {\left (x \right )} \cos ^{3}{\left (6 x \right )}}{11305} \]
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Time = 0.20 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.76 \[ \int \cos (x) \sin ^3(6 x) \, dx=\frac {1}{152} \, \cos \left (19 \, x\right ) + \frac {1}{136} \, \cos \left (17 \, x\right ) - \frac {3}{56} \, \cos \left (7 \, x\right ) - \frac {3}{40} \, \cos \left (5 \, x\right ) \]
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Time = 0.27 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.48 \[ \int \cos (x) \sin ^3(6 x) \, dx=\frac {32768}{19} \, \cos \left (x\right )^{19} - \frac {131072}{17} \, \cos \left (x\right )^{17} + 14336 \, \cos \left (x\right )^{15} - 14336 \, \cos \left (x\right )^{13} + 8320 \, \cos \left (x\right )^{11} - 2816 \, \cos \left (x\right )^{9} + \frac {3672}{7} \, \cos \left (x\right )^{7} - \frac {216}{5} \, \cos \left (x\right )^{5} \]
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Time = 27.03 (sec) , antiderivative size = 150, normalized size of antiderivative = 4.55 \[ \int \cos (x) \sin ^3(6 x) \, dx=-\frac {32\,\left (305235\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{34}-9665775\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{32}+153838440\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{30}-1348695544\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{28}+7083812484\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{26}-23578828164\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{24}+51613490424\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{22}-75928491144\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{20}+75935973762\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{18}-51607368282\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{16}+23582909592\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{14}-7081614792\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{12}+1349637412\,{\mathrm {tan}\left (\frac {x}{2}\right )}^{10}-153524484\,{\mathrm {tan}\left (\frac {x}{2}\right )}^8+9744264\,{\mathrm {tan}\left (\frac {x}{2}\right )}^6-291384\,{\mathrm {tan}\left (\frac {x}{2}\right )}^4+1539\,{\mathrm {tan}\left (\frac {x}{2}\right )}^2+81\right )}{11305\,{\left ({\mathrm {tan}\left (\frac {x}{2}\right )}^2+1\right )}^{19}} \]
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