Optimal. Leaf size=10 \[ -\frac{2}{3} \cos ^{\frac{3}{2}}(x) \]
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Rubi [A] time = 0.0121782, antiderivative size = 10, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 9, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.222, Rules used = {2565, 30} \[ -\frac{2}{3} \cos ^{\frac{3}{2}}(x) \]
Antiderivative was successfully verified.
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Rule 2565
Rule 30
Rubi steps
\begin{align*} \int \sqrt{\cos (x)} \sin (x) \, dx &=-\operatorname{Subst}\left (\int \sqrt{x} \, dx,x,\cos (x)\right )\\ &=-\frac{2}{3} \cos ^{\frac{3}{2}}(x)\\ \end{align*}
Mathematica [A] time = 0.002313, size = 10, normalized size = 1. \[ -\frac{2}{3} \cos ^{\frac{3}{2}}(x) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 7, normalized size = 0.7 \begin{align*} -{\frac{2}{3} \left ( \cos \left ( x \right ) \right ) ^{{\frac{3}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.961796, size = 8, normalized size = 0.8 \begin{align*} -\frac{2}{3} \, \cos \left (x\right )^{\frac{3}{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.07166, size = 26, normalized size = 2.6 \begin{align*} -\frac{2}{3} \, \cos \left (x\right )^{\frac{3}{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.283816, size = 10, normalized size = 1. \begin{align*} - \frac{2 \cos ^{\frac{3}{2}}{\left (x \right )}}{3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.10316, size = 8, normalized size = 0.8 \begin{align*} -\frac{2}{3} \, \cos \left (x\right )^{\frac{3}{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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