Optimal. Leaf size=24 \[ -\tanh ^{-1}\left (\cos \left (\frac{x}{2}\right )\right )-\cot \left (\frac{x}{2}\right ) \csc \left (\frac{x}{2}\right ) \]
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Rubi [A] time = 0.0113921, antiderivative size = 24, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 8, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {3768, 3770} \[ -\tanh ^{-1}\left (\cos \left (\frac{x}{2}\right )\right )-\cot \left (\frac{x}{2}\right ) \csc \left (\frac{x}{2}\right ) \]
Antiderivative was successfully verified.
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Rule 3768
Rule 3770
Rubi steps
\begin{align*} \int \csc ^3\left (\frac{x}{2}\right ) \, dx &=-\cot \left (\frac{x}{2}\right ) \csc \left (\frac{x}{2}\right )+\frac{1}{2} \int \csc \left (\frac{x}{2}\right ) \, dx\\ &=-\tanh ^{-1}\left (\cos \left (\frac{x}{2}\right )\right )-\cot \left (\frac{x}{2}\right ) \csc \left (\frac{x}{2}\right )\\ \end{align*}
Mathematica [A] time = 0.0085372, size = 41, normalized size = 1.71 \[ -\frac{1}{4} \csc ^2\left (\frac{x}{4}\right )+\frac{1}{4} \sec ^2\left (\frac{x}{4}\right )+\log \left (\sin \left (\frac{x}{4}\right )\right )-\log \left (\cos \left (\frac{x}{4}\right )\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.009, size = 24, normalized size = 1. \begin{align*} -\cot \left ({\frac{x}{2}} \right ) \csc \left ({\frac{x}{2}} \right ) +\ln \left ( \csc \left ({\frac{x}{2}} \right ) -\cot \left ({\frac{x}{2}} \right ) \right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.980341, size = 46, normalized size = 1.92 \begin{align*} \frac{\cos \left (\frac{1}{2} \, x\right )}{\cos \left (\frac{1}{2} \, x\right )^{2} - 1} - \frac{1}{2} \, \log \left (\cos \left (\frac{1}{2} \, x\right ) + 1\right ) + \frac{1}{2} \, \log \left (\cos \left (\frac{1}{2} \, x\right ) - 1\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.02372, size = 182, normalized size = 7.58 \begin{align*} -\frac{{\left (\cos \left (\frac{1}{2} \, x\right )^{2} - 1\right )} \log \left (\frac{1}{2} \, \cos \left (\frac{1}{2} \, x\right ) + \frac{1}{2}\right ) -{\left (\cos \left (\frac{1}{2} \, x\right )^{2} - 1\right )} \log \left (-\frac{1}{2} \, \cos \left (\frac{1}{2} \, x\right ) + \frac{1}{2}\right ) - 2 \, \cos \left (\frac{1}{2} \, x\right )}{2 \,{\left (\cos \left (\frac{1}{2} \, x\right )^{2} - 1\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 0.116014, size = 36, normalized size = 1.5 \begin{align*} \frac{\log{\left (\cos{\left (\frac{x}{2} \right )} - 1 \right )}}{2} - \frac{\log{\left (\cos{\left (\frac{x}{2} \right )} + 1 \right )}}{2} + \frac{2 \cos{\left (\frac{x}{2} \right )}}{2 \cos ^{2}{\left (\frac{x}{2} \right )} - 2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.06559, size = 95, normalized size = 3.96 \begin{align*} -\frac{{\left (\frac{2 \,{\left (\cos \left (\frac{1}{2} \, x\right ) - 1\right )}}{\cos \left (\frac{1}{2} \, x\right ) + 1} - 1\right )}{\left (\cos \left (\frac{1}{2} \, x\right ) + 1\right )}}{4 \,{\left (\cos \left (\frac{1}{2} \, x\right ) - 1\right )}} - \frac{\cos \left (\frac{1}{2} \, x\right ) - 1}{4 \,{\left (\cos \left (\frac{1}{2} \, x\right ) + 1\right )}} + \frac{1}{2} \, \log \left (-\frac{\cos \left (\frac{1}{2} \, x\right ) - 1}{\cos \left (\frac{1}{2} \, x\right ) + 1}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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