Optimal. Leaf size=17 \[ -\frac {1}{6} \cos (3 x)-\frac {1}{10} \cos (5 x) \]
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Rubi [A] time = 0.01, antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, integrand size = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {4284} \[ -\frac {1}{6} \cos (3 x)-\frac {1}{10} \cos (5 x) \]
Antiderivative was successfully verified.
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Rule 4284
Rubi steps
\begin {align*} \int \cos (x) \sin (4 x) \, dx &=-\frac {1}{6} \cos (3 x)-\frac {1}{10} \cos (5 x)\\ \end {align*}
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Mathematica [A] time = 0.01, size = 17, normalized size = 1.00 \[ -\frac {1}{6} \cos (3 x)-\frac {1}{10} \cos (5 x) \]
Antiderivative was successfully verified.
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fricas [A] time = 0.55, size = 13, normalized size = 0.76 \[ -\frac {8}{5} \, \cos \relax (x)^{5} + \frac {4}{3} \, \cos \relax (x)^{3} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.12, size = 13, normalized size = 0.76 \[ -\frac {8}{5} \, \cos \relax (x)^{5} + \frac {4}{3} \, \cos \relax (x)^{3} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.06, size = 14, normalized size = 0.82 \[ -\frac {8 \left (\cos ^{5}\relax (x )\right )}{5}+\frac {4 \left (\cos ^{3}\relax (x )\right )}{3} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.31, size = 13, normalized size = 0.76 \[ -\frac {1}{10} \, \cos \left (5 \, x\right ) - \frac {1}{6} \, \cos \left (3 \, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.02, size = 14, normalized size = 0.82 \[ -\frac {4\,{\cos \relax (x)}^3\,\left (6\,{\cos \relax (x)}^2-5\right )}{15} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.41, size = 22, normalized size = 1.29 \[ - \frac {\sin {\relax (x )} \sin {\left (4 x \right )}}{15} - \frac {4 \cos {\relax (x )} \cos {\left (4 x \right )}}{15} \]
Verification of antiderivative is not currently implemented for this CAS.
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