Optimal. Leaf size=16 \[ -\frac {\cos (3 x)}{3 \cos ^{\frac {3}{2}}(2 x)} \]
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Rubi [A]
time = 0.02, antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {4416}
\begin {gather*} -\frac {\cos (3 x)}{3 \cos ^{\frac {3}{2}}(2 x)} \end {gather*}
Antiderivative was successfully verified.
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Rule 4416
Rubi steps
\begin {align*} \int \frac {\sin (x)}{\cos ^{\frac {5}{2}}(2 x)} \, dx &=-\frac {\cos (3 x)}{3 \cos ^{\frac {3}{2}}(2 x)}\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 16, normalized size = 1.00 \begin {gather*} -\frac {\cos (3 x)}{3 \cos ^{\frac {3}{2}}(2 x)} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(38\) vs.
\(2(12)=24\).
time = 0.15, size = 39, normalized size = 2.44
method | result | size |
default | \(\frac {\sqrt {1-2 \left (\sin ^{2}\left (x \right )\right )}\, \cos \left (x \right ) \left (4 \left (\sin ^{2}\left (x \right )\right )-1\right )}{12 \left (\sin ^{4}\left (x \right )\right )-12 \left (\sin ^{2}\left (x \right )\right )+3}\) | \(39\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 90 vs.
\(2 (12) = 24\).
time = 3.83, size = 90, normalized size = 5.62 \begin {gather*} -\frac {\sqrt {2} \sin \left (\frac {3}{2} \, \arctan \left (\sin \left (4 \, x\right ), \cos \left (4 \, x\right ) + 1\right )\right ) \sin \left (\frac {3}{2} \, \arctan \left (\sin \left (4 \, x\right ), \cos \left (4 \, x\right )\right )\right ) + {\left (\sqrt {2} \cos \left (\frac {3}{2} \, \arctan \left (\sin \left (4 \, x\right ), \cos \left (4 \, x\right )\right )\right ) + \sqrt {2}\right )} \cos \left (\frac {3}{2} \, \arctan \left (\sin \left (4 \, x\right ), \cos \left (4 \, x\right ) + 1\right )\right )}{3 \, {\left (\cos \left (4 \, x\right )^{2} + \sin \left (4 \, x\right )^{2} + 2 \, \cos \left (4 \, x\right ) + 1\right )}^{\frac {3}{4}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 39 vs.
\(2 (12) = 24\).
time = 1.27, size = 39, normalized size = 2.44 \begin {gather*} -\frac {{\left (4 \, \cos \left (x\right )^{3} - 3 \, \cos \left (x\right )\right )} \sqrt {2 \, \cos \left (x\right )^{2} - 1}}{3 \, {\left (4 \, \cos \left (x\right )^{4} - 4 \, \cos \left (x\right )^{2} + 1\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\sin {\left (x \right )}}{\cos ^{\frac {5}{2}}{\left (2 x \right )}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.99, size = 22, normalized size = 1.38 \begin {gather*} -\frac {{\left (4 \, \cos \left (x\right )^{2} - 3\right )} \cos \left (x\right )}{3 \, {\left (2 \, \cos \left (x\right )^{2} - 1\right )}^{\frac {3}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.35, size = 12, normalized size = 0.75 \begin {gather*} -\frac {\cos \left (3\,x\right )}{3\,{\cos \left (2\,x\right )}^{3/2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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