Optimal. Leaf size=106 \[ \frac{2 \text{EllipticF}\left (a+b x-\frac{\pi }{4},2\right )}{3 b}-\frac{2 \sin ^{\frac{5}{2}}(2 a+2 b x) \cos (2 a+2 b x)}{5 b}-\frac{2 \sqrt{\sin (2 a+2 b x)} \cos (2 a+2 b x)}{3 b}+\frac{\sin ^{\frac{9}{2}}(2 a+2 b x) \csc ^2(a+b x)}{5 b} \]
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Rubi [A] time = 0.059291, antiderivative size = 106, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.136, Rules used = {4300, 2635, 2641} \[ \frac{2 F\left (\left .a+b x-\frac{\pi }{4}\right |2\right )}{3 b}-\frac{2 \sin ^{\frac{5}{2}}(2 a+2 b x) \cos (2 a+2 b x)}{5 b}-\frac{2 \sqrt{\sin (2 a+2 b x)} \cos (2 a+2 b x)}{3 b}+\frac{\sin ^{\frac{9}{2}}(2 a+2 b x) \csc ^2(a+b x)}{5 b} \]
Antiderivative was successfully verified.
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Rule 4300
Rule 2635
Rule 2641
Rubi steps
\begin{align*} \int \csc ^2(a+b x) \sin ^{\frac{7}{2}}(2 a+2 b x) \, dx &=\frac{\csc ^2(a+b x) \sin ^{\frac{9}{2}}(2 a+2 b x)}{5 b}+\frac{14}{5} \int \sin ^{\frac{7}{2}}(2 a+2 b x) \, dx\\ &=-\frac{2 \cos (2 a+2 b x) \sin ^{\frac{5}{2}}(2 a+2 b x)}{5 b}+\frac{\csc ^2(a+b x) \sin ^{\frac{9}{2}}(2 a+2 b x)}{5 b}+2 \int \sin ^{\frac{3}{2}}(2 a+2 b x) \, dx\\ &=-\frac{2 \cos (2 a+2 b x) \sqrt{\sin (2 a+2 b x)}}{3 b}-\frac{2 \cos (2 a+2 b x) \sin ^{\frac{5}{2}}(2 a+2 b x)}{5 b}+\frac{\csc ^2(a+b x) \sin ^{\frac{9}{2}}(2 a+2 b x)}{5 b}+\frac{2}{3} \int \frac{1}{\sqrt{\sin (2 a+2 b x)}} \, dx\\ &=\frac{2 F\left (\left .a-\frac{\pi }{4}+b x\right |2\right )}{3 b}-\frac{2 \cos (2 a+2 b x) \sqrt{\sin (2 a+2 b x)}}{3 b}-\frac{2 \cos (2 a+2 b x) \sin ^{\frac{5}{2}}(2 a+2 b x)}{5 b}+\frac{\csc ^2(a+b x) \sin ^{\frac{9}{2}}(2 a+2 b x)}{5 b}\\ \end{align*}
Mathematica [A] time = 0.257858, size = 76, normalized size = 0.72 \[ \frac{20 \sqrt{\sin (2 (a+b x))} \text{EllipticF}\left (a+b x-\frac{\pi }{4},2\right )+9 \sin (2 (a+b x))-10 \sin (4 (a+b x))-3 \sin (6 (a+b x))}{30 b \sqrt{\sin (2 (a+b x))}} \]
Antiderivative was successfully verified.
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Maple [A] time = 5.161, size = 139, normalized size = 1.3 \begin{align*} 4\,{\frac{\sqrt{2}}{b} \left ( 1/20\,\sqrt{2} \left ( \sin \left ( 2\,bx+2\,a \right ) \right ) ^{5/2}+1/24\,{\frac{\sqrt{2} \left ( \sqrt{\sin \left ( 2\,bx+2\,a \right ) +1}\sqrt{-2\,\sin \left ( 2\,bx+2\,a \right ) +2}\sqrt{-\sin \left ( 2\,bx+2\,a \right ) }{\it EllipticF} \left ( \sqrt{\sin \left ( 2\,bx+2\,a \right ) +1},1/2\,\sqrt{2} \right ) +2\, \left ( \sin \left ( 2\,bx+2\,a \right ) \right ) ^{3}-2\,\sin \left ( 2\,bx+2\,a \right ) \right ) }{\cos \left ( 2\,bx+2\,a \right ) \sqrt{\sin \left ( 2\,bx+2\,a \right ) }}} \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 \csc \left (b x + a\right )^{2} \sin \left (2 \, b x + 2 \, a\right )^{\frac{7}{2}}\,{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 (-{\left (\cos \left (2 \, b x + 2 \, a\right )^{2} - 1\right )} \csc \left (b x + a\right )^{2} \sin \left (2 \, b x + 2 \, a\right )^{\frac{3}{2}}, 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(-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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