Optimal. Leaf size=17 \[ \frac {1}{6} \sin (3 x)-\frac {1}{14} \sin (7 x) \]
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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 = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {4367}
\begin {gather*} \frac {1}{6} \sin (3 x)-\frac {1}{14} \sin (7 x) \end {gather*}
Antiderivative was successfully verified.
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Rule 4367
Rubi steps
\begin {align*} \int \sin (2 x) \sin (5 x) \, dx &=\frac {1}{6} \sin (3 x)-\frac {1}{14} \sin (7 x)\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 17, normalized size = 1.00 \begin {gather*} \frac {1}{6} \sin (3 x)-\frac {1}{14} \sin (7 x) \end {gather*}
Antiderivative was successfully verified.
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Mathics [A]
time = 1.93, size = 13, normalized size = 0.76 \begin {gather*} -\frac {\text {Sin}\left [7 x\right ]}{14}+\frac {\text {Sin}\left [3 x\right ]}{6} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.07, size = 14, normalized size = 0.82
method | result | size |
default | \(\frac {\sin \left (3 x \right )}{6}-\frac {\sin \left (7 x \right )}{14}\) | \(14\) |
risch | \(\frac {\sin \left (3 x \right )}{6}-\frac {\sin \left (7 x \right )}{14}\) | \(14\) |
norman | \(\frac {\frac {10 \tan \left (x \right ) \left (\tan ^{2}\left (\frac {5 x}{2}\right )\right )}{21}-\frac {4 \left (\tan ^{2}\left (x \right )\right ) \tan \left (\frac {5 x}{2}\right )}{21}-\frac {10 \tan \left (x \right )}{21}+\frac {4 \tan \left (\frac {5 x}{2}\right )}{21}}{\left (1+\tan ^{2}\left (x \right )\right ) \left (1+\tan ^{2}\left (\frac {5 x}{2}\right )\right )}\) | \(51\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.26, size = 13, normalized size = 0.76 \begin {gather*} -\frac {1}{14} \, \sin \left (7 \, x\right ) + \frac {1}{6} \, \sin \left (3 \, x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.36, size = 24, normalized size = 1.41 \begin {gather*} -\frac {2}{21} \, {\left (48 \, \cos \left (x\right )^{6} - 60 \, \cos \left (x\right )^{4} + 11 \, \cos \left (x\right )^{2} + 1\right )} \sin \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 26 vs.
\(2 (12) = 24\)
time = 0.14, size = 26, normalized size = 1.53 \begin {gather*} - \frac {5 \sin {\left (2 x \right )} \cos {\left (5 x \right )}}{21} + \frac {2 \sin {\left (5 x \right )} \cos {\left (2 x \right )}}{21} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.00, size = 16, normalized size = 0.94 \begin {gather*} \frac {\sin \left (3 x\right )}{6}-\frac {\sin \left (7 x\right )}{14} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.06, size = 13, normalized size = 0.76 \begin {gather*} \frac {\sin \left (3\,x\right )}{6}-\frac {\sin \left (7\,x\right )}{14} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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