Optimal. Leaf size=17 \[ \frac{\sin ^4(x)}{4}-\frac{\sin ^6(x)}{6} \]
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Rubi [A] time = 0.0222371, antiderivative size = 17, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 9, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.222, Rules used = {2564, 14} \[ \frac{\sin ^4(x)}{4}-\frac{\sin ^6(x)}{6} \]
Antiderivative was successfully verified.
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Rule 2564
Rule 14
Rubi steps
\begin{align*} \int \cos ^3(x) \sin ^3(x) \, dx &=\operatorname{Subst}\left (\int x^3 \left (1-x^2\right ) \, dx,x,\sin (x)\right )\\ &=\operatorname{Subst}\left (\int \left (x^3-x^5\right ) \, dx,x,\sin (x)\right )\\ &=\frac{\sin ^4(x)}{4}-\frac{\sin ^6(x)}{6}\\ \end{align*}
Mathematica [A] time = 0.006301, size = 17, normalized size = 1. \[ \frac{1}{192} \cos (6 x)-\frac{3}{64} \cos (2 x) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.006, size = 18, normalized size = 1.1 \begin{align*} -{\frac{ \left ( \cos \left ( x \right ) \right ) ^{4} \left ( \sin \left ( x \right ) \right ) ^{2}}{6}}-{\frac{ \left ( \cos \left ( x \right ) \right ) ^{4}}{12}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.923391, size = 18, normalized size = 1.06 \begin{align*} -\frac{1}{6} \, \sin \left (x\right )^{6} + \frac{1}{4} \, \sin \left (x\right )^{4} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.00521, size = 39, normalized size = 2.29 \begin{align*} \frac{1}{6} \, \cos \left (x\right )^{6} - \frac{1}{4} \, \cos \left (x\right )^{4} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.058797, size = 12, normalized size = 0.71 \begin{align*} - \frac{\sin ^{6}{\left (x \right )}}{6} + \frac{\sin ^{4}{\left (x \right )}}{4} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.05459, size = 18, normalized size = 1.06 \begin{align*} \frac{1}{6} \, \cos \left (x\right )^{6} - \frac{1}{4} \, \cos \left (x\right )^{4} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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