Optimal. Leaf size=15 \[ -\frac{\cos ^4(a+b x)}{4 b} \]
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Rubi [A] time = 0.0193339, antiderivative size = 15, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.133, Rules used = {2565, 30} \[ -\frac{\cos ^4(a+b x)}{4 b} \]
Antiderivative was successfully verified.
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Rule 2565
Rule 30
Rubi steps
\begin{align*} \int \cos ^3(a+b x) \sin (a+b x) \, dx &=-\frac{\operatorname{Subst}\left (\int x^3 \, dx,x,\cos (a+b x)\right )}{b}\\ &=-\frac{\cos ^4(a+b x)}{4 b}\\ \end{align*}
Mathematica [A] time = 0.0045508, size = 15, normalized size = 1. \[ -\frac{\cos ^4(a+b x)}{4 b} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.006, size = 14, normalized size = 0.9 \begin{align*} -{\frac{ \left ( \cos \left ( bx+a \right ) \right ) ^{4}}{4\,b}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.00887, size = 18, normalized size = 1.2 \begin{align*} -\frac{\cos \left (b x + a\right )^{4}}{4 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.81433, size = 31, normalized size = 2.07 \begin{align*} -\frac{\cos \left (b x + a\right )^{4}}{4 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 1.11814, size = 41, normalized size = 2.73 \begin{align*} \begin{cases} \frac{\sin ^{4}{\left (a + b x \right )}}{4 b} + \frac{\sin ^{2}{\left (a + b x \right )} \cos ^{2}{\left (a + b x \right )}}{2 b} & \text{for}\: b \neq 0 \\x \sin{\left (a \right )} \cos ^{3}{\left (a \right )} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.14808, size = 32, normalized size = 2.13 \begin{align*} -\frac{\sin \left (b x + a\right )^{4} - 2 \, \sin \left (b x + a\right )^{2}}{4 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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