Optimal. Leaf size=46 \[ \frac {3 x}{128}-\frac {1}{8} \sin ^3(x) \cos ^5(x)-\frac {1}{16} \sin (x) \cos ^5(x)+\frac {1}{64} \sin (x) \cos ^3(x)+\frac {3}{128} \sin (x) \cos (x) \]
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Rubi [A] time = 0.05, antiderivative size = 46, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 3, integrand size = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {2568, 2635, 8} \[ \frac {3 x}{128}-\frac {1}{8} \sin ^3(x) \cos ^5(x)-\frac {1}{16} \sin (x) \cos ^5(x)+\frac {1}{64} \sin (x) \cos ^3(x)+\frac {3}{128} \sin (x) \cos (x) \]
Antiderivative was successfully verified.
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Rule 8
Rule 2568
Rule 2635
Rubi steps
\begin {align*} \int \cos ^4(x) \sin ^4(x) \, dx &=-\frac {1}{8} \cos ^5(x) \sin ^3(x)+\frac {3}{8} \int \cos ^4(x) \sin ^2(x) \, dx\\ &=-\frac {1}{16} \cos ^5(x) \sin (x)-\frac {1}{8} \cos ^5(x) \sin ^3(x)+\frac {1}{16} \int \cos ^4(x) \, dx\\ &=\frac {1}{64} \cos ^3(x) \sin (x)-\frac {1}{16} \cos ^5(x) \sin (x)-\frac {1}{8} \cos ^5(x) \sin ^3(x)+\frac {3}{64} \int \cos ^2(x) \, dx\\ &=\frac {3}{128} \cos (x) \sin (x)+\frac {1}{64} \cos ^3(x) \sin (x)-\frac {1}{16} \cos ^5(x) \sin (x)-\frac {1}{8} \cos ^5(x) \sin ^3(x)+\frac {3 \int 1 \, dx}{128}\\ &=\frac {3 x}{128}+\frac {3}{128} \cos (x) \sin (x)+\frac {1}{64} \cos ^3(x) \sin (x)-\frac {1}{16} \cos ^5(x) \sin (x)-\frac {1}{8} \cos ^5(x) \sin ^3(x)\\ \end {align*}
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Mathematica [A] time = 0.01, size = 22, normalized size = 0.48 \[ \frac {3 x}{128}-\frac {1}{128} \sin (4 x)+\frac {\sin (8 x)}{1024} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.43, size = 31, normalized size = 0.67 \[ \frac {1}{128} \, {\left (16 \, \cos \relax (x)^{7} - 24 \, \cos \relax (x)^{5} + 2 \, \cos \relax (x)^{3} + 3 \, \cos \relax (x)\right )} \sin \relax (x) + \frac {3}{128} \, x \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.96, size = 16, normalized size = 0.35 \[ \frac {3}{128} \, x + \frac {1}{1024} \, \sin \left (8 \, x\right ) - \frac {1}{128} \, \sin \left (4 \, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 36, normalized size = 0.78 \[ -\frac {\left (\cos ^{5}\relax (x )\right ) \left (\sin ^{3}\relax (x )\right )}{8}-\frac {\left (\cos ^{5}\relax (x )\right ) \sin \relax (x )}{16}+\frac {3 x}{128}+\frac {\left (\cos ^{3}\relax (x )+\frac {3 \cos \relax (x )}{2}\right ) \sin \relax (x )}{64} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.44, size = 16, normalized size = 0.35 \[ \frac {3}{128} \, x + \frac {1}{1024} \, \sin \left (8 \, x\right ) - \frac {1}{128} \, \sin \left (4 \, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.04, size = 32, normalized size = 0.70 \[ \left (\frac {{\cos \relax (x)}^3}{8}+\frac {\cos \relax (x)}{16}\right )\,{\sin \relax (x)}^5+\frac {3\,x}{128}-\frac {\sin \left (2\,x\right )}{64}+\frac {\sin \left (4\,x\right )}{512} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.07, size = 31, normalized size = 0.67 \[ \frac {3 x}{128} - \frac {\sin ^{3}{\left (2 x \right )} \cos {\left (2 x \right )}}{128} - \frac {3 \sin {\left (2 x \right )} \cos {\left (2 x \right )}}{256} \]
Verification of antiderivative is not currently implemented for this CAS.
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