Integrand size = 9, antiderivative size = 25 \[ \int \cos ^2(x) \sin ^5(x) \, dx=-\frac {1}{3} \cos ^3(x)+\frac {2 \cos ^5(x)}{5}-\frac {\cos ^7(x)}{7} \]
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Time = 0.02 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {2645, 276} \[ \int \cos ^2(x) \sin ^5(x) \, dx=-\frac {1}{7} \cos ^7(x)+\frac {2 \cos ^5(x)}{5}-\frac {\cos ^3(x)}{3} \]
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Rule 276
Rule 2645
Rubi steps \begin{align*} \text {integral}& = -\text {Subst}\left (\int x^2 \left (1-x^2\right )^2 \, dx,x,\cos (x)\right ) \\ & = -\text {Subst}\left (\int \left (x^2-2 x^4+x^6\right ) \, dx,x,\cos (x)\right ) \\ & = -\frac {1}{3} \cos ^3(x)+\frac {2 \cos ^5(x)}{5}-\frac {\cos ^7(x)}{7} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.24 \[ \int \cos ^2(x) \sin ^5(x) \, dx=-\frac {5 \cos (x)}{64}-\frac {1}{192} \cos (3 x)+\frac {3}{320} \cos (5 x)-\frac {1}{448} \cos (7 x) \]
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Time = 0.18 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.80
method | result | size |
derivativedivides | \(-\frac {\left (\cos ^{3}\left (x \right )\right )}{3}+\frac {2 \left (\cos ^{5}\left (x \right )\right )}{5}-\frac {\left (\cos ^{7}\left (x \right )\right )}{7}\) | \(20\) |
default | \(-\frac {\left (\cos ^{3}\left (x \right )\right )}{3}+\frac {2 \left (\cos ^{5}\left (x \right )\right )}{5}-\frac {\left (\cos ^{7}\left (x \right )\right )}{7}\) | \(20\) |
risch | \(-\frac {5 \cos \left (x \right )}{64}-\frac {\cos \left (7 x \right )}{448}+\frac {3 \cos \left (5 x \right )}{320}-\frac {\cos \left (3 x \right )}{192}\) | \(24\) |
parallelrisch | \(\frac {8}{35}-\frac {5 \cos \left (x \right )}{64}-\frac {\cos \left (7 x \right )}{448}+\frac {3 \cos \left (5 x \right )}{320}-\frac {\cos \left (3 x \right )}{192}\) | \(25\) |
norman | \(\frac {-\frac {32 \left (\tan ^{8}\left (\frac {x}{2}\right )\right )}{3}-\frac {16 \left (\tan ^{4}\left (\frac {x}{2}\right )\right )}{5}-\frac {16 \left (\tan ^{2}\left (\frac {x}{2}\right )\right )}{15}+\frac {16 \left (\tan ^{6}\left (\frac {x}{2}\right )\right )}{3}-\frac {16}{105}}{\left (1+\tan ^{2}\left (\frac {x}{2}\right )\right )^{7}}\) | \(46\) |
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Time = 0.24 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.76 \[ \int \cos ^2(x) \sin ^5(x) \, dx=-\frac {1}{7} \, \cos \left (x\right )^{7} + \frac {2}{5} \, \cos \left (x\right )^{5} - \frac {1}{3} \, \cos \left (x\right )^{3} \]
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Time = 0.02 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.80 \[ \int \cos ^2(x) \sin ^5(x) \, dx=- \frac {\cos ^{7}{\left (x \right )}}{7} + \frac {2 \cos ^{5}{\left (x \right )}}{5} - \frac {\cos ^{3}{\left (x \right )}}{3} \]
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Time = 0.20 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.76 \[ \int \cos ^2(x) \sin ^5(x) \, dx=-\frac {1}{7} \, \cos \left (x\right )^{7} + \frac {2}{5} \, \cos \left (x\right )^{5} - \frac {1}{3} \, \cos \left (x\right )^{3} \]
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Time = 0.28 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.76 \[ \int \cos ^2(x) \sin ^5(x) \, dx=-\frac {1}{7} \, \cos \left (x\right )^{7} + \frac {2}{5} \, \cos \left (x\right )^{5} - \frac {1}{3} \, \cos \left (x\right )^{3} \]
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Time = 0.19 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.76 \[ \int \cos ^2(x) \sin ^5(x) \, dx=-\frac {{\cos \left (x\right )}^7}{7}+\frac {2\,{\cos \left (x\right )}^5}{5}-\frac {{\cos \left (x\right )}^3}{3} \]
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