Optimal. Leaf size=33 \[ \frac {5}{36} \left (2-3 \sin ^2(x)\right )^{8/5}-\frac {20}{117} \left (2-3 \sin ^2(x)\right )^{13/5} \]
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Rubi [A]
time = 0.08, antiderivative size = 33, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 3, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.176, Rules used = {12, 455, 45}
\begin {gather*} \frac {5}{36} \left (2-3 \sin ^2(x)\right )^{8/5}-\frac {20}{117} \left (2-3 \sin ^2(x)\right )^{13/5} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 45
Rule 455
Rubi steps
\begin {align*} \int \left (2-3 \sin ^2(x)\right )^{3/5} \sin (4 x) \, dx &=\text {Subst}\left (\int 4 x \left (2-3 x^2\right )^{3/5} \left (1-2 x^2\right ) \, dx,x,\sin (x)\right )\\ &=4 \text {Subst}\left (\int x \left (2-3 x^2\right )^{3/5} \left (1-2 x^2\right ) \, dx,x,\sin (x)\right )\\ &=2 \text {Subst}\left (\int (2-3 x)^{3/5} (1-2 x) \, dx,x,\sin ^2(x)\right )\\ &=2 \text {Subst}\left (\int \left (-\frac {1}{3} (2-3 x)^{3/5}+\frac {2}{3} (2-3 x)^{8/5}\right ) \, dx,x,\sin ^2(x)\right )\\ &=\frac {5}{36} \left (2-3 \sin ^2(x)\right )^{8/5}-\frac {20}{117} \left (2-3 \sin ^2(x)\right )^{13/5}\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 29, normalized size = 0.88 \begin {gather*} -\frac {5 (1+3 \cos (2 x))^{8/5} (-5+24 \cos (2 x))}{936\ 2^{3/5}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.14, size = 38, normalized size = 1.15
method | result | size |
default | \(\frac {5 \left (3 \left (\cos ^{2}\left (x \right )\right )-1\right )^{\frac {8}{5}}}{12}-\frac {20 \left (\frac {1}{2}+\frac {3 \cos \left (2 x \right )}{2}\right )^{\frac {13}{5}}}{117}-\frac {5 \left (\frac {1}{2}+\frac {3 \cos \left (2 x \right )}{2}\right )^{\frac {8}{5}}}{18}\) | \(38\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 4.52, size = 25, normalized size = 0.76 \begin {gather*} -\frac {20}{117} \, {\left (-3 \, \sin \left (x\right )^{2} + 2\right )}^{\frac {13}{5}} + \frac {5}{36} \, {\left (-3 \, \sin \left (x\right )^{2} + 2\right )}^{\frac {8}{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.94, size = 26, normalized size = 0.79 \begin {gather*} -\frac {5}{468} \, {\left (144 \, \cos \left (x\right )^{4} - 135 \, \cos \left (x\right )^{2} + 29\right )} {\left (3 \, \cos \left (x\right )^{2} - 1\right )}^{\frac {3}{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: SystemError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.72, size = 35, normalized size = 1.06 \begin {gather*} -\frac {20}{117} \, {\left (3 \, \sin \left (x\right )^{2} - 2\right )}^{2} {\left (-3 \, \sin \left (x\right )^{2} + 2\right )}^{\frac {3}{5}} + \frac {5}{36} \, {\left (-3 \, \sin \left (x\right )^{2} + 2\right )}^{\frac {8}{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.03 \begin {gather*} \int \sin \left (4\,x\right )\,{\left (2-3\,{\sin \left (x\right )}^2\right )}^{3/5} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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