Optimal. Leaf size=49 \[ \frac{3 \sec (a+b x)}{16 b}-\frac{3 \tanh ^{-1}(\cos (a+b x))}{16 b}-\frac{\csc ^2(a+b x) \sec (a+b x)}{16 b} \]
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Rubi [A] time = 0.0549493, antiderivative size = 49, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.278, Rules used = {4287, 2622, 288, 321, 207} \[ \frac{3 \sec (a+b x)}{16 b}-\frac{3 \tanh ^{-1}(\cos (a+b x))}{16 b}-\frac{\csc ^2(a+b x) \sec (a+b x)}{16 b} \]
Antiderivative was successfully verified.
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Rule 4287
Rule 2622
Rule 288
Rule 321
Rule 207
Rubi steps
\begin{align*} \int \cos (a+b x) \csc ^3(2 a+2 b x) \, dx &=\frac{1}{8} \int \csc ^3(a+b x) \sec ^2(a+b x) \, dx\\ &=\frac{\operatorname{Subst}\left (\int \frac{x^4}{\left (-1+x^2\right )^2} \, dx,x,\sec (a+b x)\right )}{8 b}\\ &=-\frac{\csc ^2(a+b x) \sec (a+b x)}{16 b}+\frac{3 \operatorname{Subst}\left (\int \frac{x^2}{-1+x^2} \, dx,x,\sec (a+b x)\right )}{16 b}\\ &=\frac{3 \sec (a+b x)}{16 b}-\frac{\csc ^2(a+b x) \sec (a+b x)}{16 b}+\frac{3 \operatorname{Subst}\left (\int \frac{1}{-1+x^2} \, dx,x,\sec (a+b x)\right )}{16 b}\\ &=-\frac{3 \tanh ^{-1}(\cos (a+b x))}{16 b}+\frac{3 \sec (a+b x)}{16 b}-\frac{\csc ^2(a+b x) \sec (a+b x)}{16 b}\\ \end{align*}
Mathematica [B] time = 0.254762, size = 143, normalized size = 2.92 \[ \frac{\csc ^4(a+b x) \left (-6 \cos (2 (a+b x))+2 \cos (3 (a+b x))+3 \cos (3 (a+b x)) \log \left (\cos \left (\frac{1}{2} (a+b x)\right )\right )-3 \cos (3 (a+b x)) \log \left (\sin \left (\frac{1}{2} (a+b x)\right )\right )+\cos (a+b x) \left (3 \log \left (\sin \left (\frac{1}{2} (a+b x)\right )\right )-3 \log \left (\cos \left (\frac{1}{2} (a+b x)\right )\right )-2\right )+2\right )}{16 b \left (\csc ^2\left (\frac{1}{2} (a+b x)\right )-\sec ^2\left (\frac{1}{2} (a+b x)\right )\right )} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.027, size = 57, normalized size = 1.2 \begin{align*} -{\frac{1}{16\,b \left ( \sin \left ( bx+a \right ) \right ) ^{2}\cos \left ( bx+a \right ) }}+{\frac{3}{16\,b\cos \left ( bx+a \right ) }}+{\frac{3\,\ln \left ( \csc \left ( bx+a \right ) -\cot \left ( bx+a \right ) \right ) }{16\,b}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 1.2554, size = 1315, normalized size = 26.84 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 0.498507, size = 262, normalized size = 5.35 \begin{align*} \frac{6 \, \cos \left (b x + a\right )^{2} - 3 \,{\left (\cos \left (b x + a\right )^{3} - \cos \left (b x + a\right )\right )} \log \left (\frac{1}{2} \, \cos \left (b x + a\right ) + \frac{1}{2}\right ) + 3 \,{\left (\cos \left (b x + a\right )^{3} - \cos \left (b x + a\right )\right )} \log \left (-\frac{1}{2} \, \cos \left (b x + a\right ) + \frac{1}{2}\right ) - 4}{32 \,{\left (b \cos \left (b x + a\right )^{3} - b \cos \left (b x + a\right )\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.27516, size = 189, normalized size = 3.86 \begin{align*} \frac{\frac{\frac{14 \,{\left (\cos \left (b x + a\right ) - 1\right )}}{\cos \left (b x + a\right ) + 1} - \frac{3 \,{\left (\cos \left (b x + a\right ) - 1\right )}^{2}}{{\left (\cos \left (b x + a\right ) + 1\right )}^{2}} + 1}{\frac{\cos \left (b x + a\right ) - 1}{\cos \left (b x + a\right ) + 1} + \frac{{\left (\cos \left (b x + a\right ) - 1\right )}^{2}}{{\left (\cos \left (b x + a\right ) + 1\right )}^{2}}} - \frac{\cos \left (b x + a\right ) - 1}{\cos \left (b x + a\right ) + 1} + 6 \, \log \left (\frac{{\left | -\cos \left (b x + a\right ) + 1 \right |}}{{\left | \cos \left (b x + a\right ) + 1 \right |}}\right )}{64 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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