Optimal. Leaf size=92 \[ \frac{2 \cos ^3(a+b x)}{7 b \sqrt{\csc (a+b x)}}+\frac{4 \cos (a+b x)}{7 b \sqrt{\csc (a+b x)}}+\frac{8 \sqrt{\sin (a+b x)} \sqrt{\csc (a+b x)} F\left (\left .\frac{1}{2} \left (a+b x-\frac{\pi }{2}\right )\right |2\right )}{7 b} \]
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Rubi [A] time = 0.0801452, antiderivative size = 92, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.158, Rules used = {2628, 3771, 2641} \[ \frac{2 \cos ^3(a+b x)}{7 b \sqrt{\csc (a+b x)}}+\frac{4 \cos (a+b x)}{7 b \sqrt{\csc (a+b x)}}+\frac{8 \sqrt{\sin (a+b x)} \sqrt{\csc (a+b x)} F\left (\left .\frac{1}{2} \left (a+b x-\frac{\pi }{2}\right )\right |2\right )}{7 b} \]
Antiderivative was successfully verified.
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Rule 2628
Rule 3771
Rule 2641
Rubi steps
\begin{align*} \int \cos ^4(a+b x) \sqrt{\csc (a+b x)} \, dx &=\frac{2 \cos ^3(a+b x)}{7 b \sqrt{\csc (a+b x)}}+\frac{6}{7} \int \cos ^2(a+b x) \sqrt{\csc (a+b x)} \, dx\\ &=\frac{4 \cos (a+b x)}{7 b \sqrt{\csc (a+b x)}}+\frac{2 \cos ^3(a+b x)}{7 b \sqrt{\csc (a+b x)}}+\frac{4}{7} \int \sqrt{\csc (a+b x)} \, dx\\ &=\frac{4 \cos (a+b x)}{7 b \sqrt{\csc (a+b x)}}+\frac{2 \cos ^3(a+b x)}{7 b \sqrt{\csc (a+b x)}}+\frac{1}{7} \left (4 \sqrt{\csc (a+b x)} \sqrt{\sin (a+b x)}\right ) \int \frac{1}{\sqrt{\sin (a+b x)}} \, dx\\ &=\frac{4 \cos (a+b x)}{7 b \sqrt{\csc (a+b x)}}+\frac{2 \cos ^3(a+b x)}{7 b \sqrt{\csc (a+b x)}}+\frac{8 \sqrt{\csc (a+b x)} F\left (\left .\frac{1}{2} \left (a-\frac{\pi }{2}+b x\right )\right |2\right ) \sqrt{\sin (a+b x)}}{7 b}\\ \end{align*}
Mathematica [A] time = 0.147228, size = 63, normalized size = 0.68 \[ \frac{\sqrt{\csc (a+b x)} \left (10 \sin (2 (a+b x))+\sin (4 (a+b x))-32 \sqrt{\sin (a+b x)} F\left (\left .\frac{1}{4} (-2 a-2 b x+\pi )\right |2\right )\right )}{28 b} \]
Antiderivative was successfully verified.
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Maple [A] time = 1.016, size = 100, normalized size = 1.1 \begin{align*}{\frac{1}{\cos \left ( bx+a \right ) b} \left ({\frac{2\, \left ( \sin \left ( bx+a \right ) \right ) ^{5}}{7}}-{\frac{8\, \left ( \sin \left ( bx+a \right ) \right ) ^{3}}{7}}+{\frac{6\,\sin \left ( bx+a \right ) }{7}}+{\frac{4}{7}\sqrt{\sin \left ( bx+a \right ) +1}\sqrt{-2\,\sin \left ( bx+a \right ) +2}\sqrt{-\sin \left ( bx+a \right ) }{\it EllipticF} \left ( \sqrt{\sin \left ( bx+a \right ) +1},{\frac{\sqrt{2}}{2}} \right ) } \right ){\frac{1}{\sqrt{\sin \left ( bx+a \right ) }}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \cos \left (b x + a\right )^{4} \sqrt{\csc \left (b x + a\right )}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\cos \left (b x + a\right )^{4} \sqrt{\csc \left (b x + a\right )}, x\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 [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \cos \left (b x + a\right )^{4} \sqrt{\csc \left (b x + a\right )}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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