Optimal. Leaf size=31 \[ \frac {\cos ^7(a+b x)}{7 b}-\frac {\cos ^5(a+b x)}{5 b} \]
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Rubi [A] time = 0.03, antiderivative size = 31, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {2565, 14} \[ \frac {\cos ^7(a+b x)}{7 b}-\frac {\cos ^5(a+b x)}{5 b} \]
Antiderivative was successfully verified.
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Rule 14
Rule 2565
Rubi steps
\begin {align*} \int \cos ^4(a+b x) \sin ^3(a+b x) \, dx &=-\frac {\operatorname {Subst}\left (\int x^4 \left (1-x^2\right ) \, dx,x,\cos (a+b x)\right )}{b}\\ &=-\frac {\operatorname {Subst}\left (\int \left (x^4-x^6\right ) \, dx,x,\cos (a+b x)\right )}{b}\\ &=-\frac {\cos ^5(a+b x)}{5 b}+\frac {\cos ^7(a+b x)}{7 b}\\ \end {align*}
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Mathematica [A] time = 0.09, size = 27, normalized size = 0.87 \[ \frac {\cos ^5(a+b x) (5 \cos (2 (a+b x))-9)}{70 b} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.41, size = 26, normalized size = 0.84 \[ \frac {5 \, \cos \left (b x + a\right )^{7} - 7 \, \cos \left (b x + a\right )^{5}}{35 \, b} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.19, size = 27, normalized size = 0.87 \[ \frac {\cos \left (b x + a\right )^{7}}{7 \, b} - \frac {\cos \left (b x + a\right )^{5}}{5 \, b} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.02, size = 34, normalized size = 1.10 \[ \frac {-\frac {\left (\cos ^{5}\left (b x +a \right )\right ) \left (\sin ^{2}\left (b x +a \right )\right )}{7}-\frac {2 \left (\cos ^{5}\left (b x +a \right )\right )}{35}}{b} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.31, size = 26, normalized size = 0.84 \[ \frac {5 \, \cos \left (b x + a\right )^{7} - 7 \, \cos \left (b x + a\right )^{5}}{35 \, b} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.38, size = 26, normalized size = 0.84 \[ -\frac {7\,{\cos \left (a+b\,x\right )}^5-5\,{\cos \left (a+b\,x\right )}^7}{35\,b} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 8.87, size = 46, normalized size = 1.48 \[ \begin {cases} - \frac {\sin ^{2}{\left (a + b x \right )} \cos ^{5}{\left (a + b x \right )}}{5 b} - \frac {2 \cos ^{7}{\left (a + b x \right )}}{35 b} & \text {for}\: b \neq 0 \\x \sin ^{3}{\relax (a )} \cos ^{4}{\relax (a )} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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