Optimal. Leaf size=44 \[ \frac{x}{\sqrt{2}}+\frac{\tan ^{-1}\left (\frac{\sin (6 x+4)}{-\cos (6 x+4)+2 \sqrt{2}+3}\right )}{3 \sqrt{2}} \]
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Rubi [A] time = 0.0375237, antiderivative size = 44, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 27, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.111, Rules used = {12, 3166, 2657} \[ \frac{x}{\sqrt{2}}+\frac{\tan ^{-1}\left (\frac{\sin (6 x+4)}{-\cos (6 x+4)+2 \sqrt{2}+3}\right )}{3 \sqrt{2}} \]
Antiderivative was successfully verified.
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Rule 12
Rule 3166
Rule 2657
Rubi steps
\begin{align*} \int \frac{2 \csc (4+6 x)}{-\cot (4+6 x)+3 \csc (4+6 x)} \, dx &=2 \int \frac{\csc (4+6 x)}{-\cot (4+6 x)+3 \csc (4+6 x)} \, dx\\ &=2 \int \frac{1}{3-\cos (4+6 x)} \, dx\\ &=\frac{x}{\sqrt{2}}+\frac{\tan ^{-1}\left (\frac{\sin (4+6 x)}{3+2 \sqrt{2}-\cos (4+6 x)}\right )}{3 \sqrt{2}}\\ \end{align*}
Mathematica [A] time = 0.0277109, size = 22, normalized size = 0.5 \[ \frac{\tan ^{-1}\left (\sqrt{2} \tan (3 x+2)\right )}{3 \sqrt{2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.081, size = 17, normalized size = 0.4 \begin{align*}{\frac{\sqrt{2}\arctan \left ( \tan \left ( 2+3\,x \right ) \sqrt{2} \right ) }{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.57537, size = 35, normalized size = 0.8 \begin{align*} \frac{1}{6} \, \sqrt{2} \arctan \left (\frac{\sqrt{2} \sin \left (6 \, x + 4\right )}{\cos \left (6 \, x + 4\right ) + 1}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.45432, size = 101, normalized size = 2.3 \begin{align*} -\frac{1}{12} \, \sqrt{2} \arctan \left (\frac{3 \, \sqrt{2} \cos \left (6 \, x + 4\right ) - \sqrt{2}}{4 \, \sin \left (6 \, x + 4\right )}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} - 2 \int \frac{\csc{\left (6 x + 4 \right )}}{\cot{\left (6 x + 4 \right )} - 3 \csc{\left (6 x + 4 \right )}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.23553, size = 77, normalized size = 1.75 \begin{align*} \frac{1}{6} \, \sqrt{2}{\left (3 \, x + \arctan \left (-\frac{\sqrt{2} \sin \left (6 \, x + 4\right ) - 2 \, \sin \left (6 \, x + 4\right )}{\sqrt{2} \cos \left (6 \, x + 4\right ) + \sqrt{2} - 2 \, \cos \left (6 \, x + 4\right ) + 2}\right ) + 2\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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