Optimal. Leaf size=8 \[ \frac{\sin ^3(x)}{3} \]
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Rubi [A] time = 0.0127217, antiderivative size = 8, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 7, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.286, Rules used = {2564, 30} \[ \frac{\sin ^3(x)}{3} \]
Antiderivative was successfully verified.
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Rule 2564
Rule 30
Rubi steps
\begin{align*} \int \cos (x) \sin ^2(x) \, dx &=\operatorname{Subst}\left (\int x^2 \, dx,x,\sin (x)\right )\\ &=\frac{\sin ^3(x)}{3}\\ \end{align*}
Mathematica [A] time = 0.0010916, size = 8, normalized size = 1. \[ \frac{\sin ^3(x)}{3} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.002, size = 7, normalized size = 0.9 \begin{align*}{\frac{ \left ( \sin \left ( x \right ) \right ) ^{3}}{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.919453, size = 8, normalized size = 1. \begin{align*} \frac{1}{3} \, \sin \left (x\right )^{3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.07203, size = 38, normalized size = 4.75 \begin{align*} -\frac{1}{3} \,{\left (\cos \left (x\right )^{2} - 1\right )} \sin \left (x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.057543, size = 5, normalized size = 0.62 \begin{align*} \frac{\sin ^{3}{\left (x \right )}}{3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.05907, size = 8, normalized size = 1. \begin{align*} \frac{1}{3} \, \sin \left (x\right )^{3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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