Optimal. Leaf size=88 \[ -\frac{12 E\left (\left .\frac{1}{2} \left (a+b x-\frac{\pi }{2}\right )\right |2\right )}{35 b^2}-\frac{4 \cos (a+b x)}{35 b^2 \sin ^{\frac{5}{2}}(a+b x)}-\frac{12 \cos (a+b x)}{35 b^2 \sqrt{\sin (a+b x)}}-\frac{2 x}{7 b \sin ^{\frac{7}{2}}(a+b x)} \]
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Rubi [A] time = 0.0443534, antiderivative size = 88, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.167, Rules used = {3443, 2636, 2639} \[ -\frac{12 E\left (\left .\frac{1}{2} \left (a+b x-\frac{\pi }{2}\right )\right |2\right )}{35 b^2}-\frac{4 \cos (a+b x)}{35 b^2 \sin ^{\frac{5}{2}}(a+b x)}-\frac{12 \cos (a+b x)}{35 b^2 \sqrt{\sin (a+b x)}}-\frac{2 x}{7 b \sin ^{\frac{7}{2}}(a+b x)} \]
Antiderivative was successfully verified.
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Rule 3443
Rule 2636
Rule 2639
Rubi steps
\begin{align*} \int \frac{x \cos (a+b x)}{\sin ^{\frac{9}{2}}(a+b x)} \, dx &=-\frac{2 x}{7 b \sin ^{\frac{7}{2}}(a+b x)}+\frac{2 \int \frac{1}{\sin ^{\frac{7}{2}}(a+b x)} \, dx}{7 b}\\ &=-\frac{2 x}{7 b \sin ^{\frac{7}{2}}(a+b x)}-\frac{4 \cos (a+b x)}{35 b^2 \sin ^{\frac{5}{2}}(a+b x)}+\frac{6 \int \frac{1}{\sin ^{\frac{3}{2}}(a+b x)} \, dx}{35 b}\\ &=-\frac{2 x}{7 b \sin ^{\frac{7}{2}}(a+b x)}-\frac{4 \cos (a+b x)}{35 b^2 \sin ^{\frac{5}{2}}(a+b x)}-\frac{12 \cos (a+b x)}{35 b^2 \sqrt{\sin (a+b x)}}-\frac{6 \int \sqrt{\sin (a+b x)} \, dx}{35 b}\\ &=-\frac{12 E\left (\left .\frac{1}{2} \left (a-\frac{\pi }{2}+b x\right )\right |2\right )}{35 b^2}-\frac{2 x}{7 b \sin ^{\frac{7}{2}}(a+b x)}-\frac{4 \cos (a+b x)}{35 b^2 \sin ^{\frac{5}{2}}(a+b x)}-\frac{12 \cos (a+b x)}{35 b^2 \sqrt{\sin (a+b x)}}\\ \end{align*}
Mathematica [A] time = 0.299497, size = 73, normalized size = 0.83 \[ -\frac{2 \left (\sin (2 (a+b x))+6 \sin ^3(a+b x) \cos (a+b x)-6 \sin ^{\frac{7}{2}}(a+b x) E\left (\left .\frac{1}{4} (-2 a-2 b x+\pi )\right |2\right )+5 b x\right )}{35 b^2 \sin ^{\frac{7}{2}}(a+b x)} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.096, size = 0, normalized size = 0. \begin{align*} \int{x\cos \left ( bx+a \right ) \left ( \sin \left ( bx+a \right ) \right ) ^{-{\frac{9}{2}}}}\, dx \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 \frac{x \cos \left (b x + a\right )}{\sin \left (b x + a\right )^{\frac{9}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: UnboundLocalError} \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 \frac{x \cos \left (b x + a\right )}{\sin \left (b x + a\right )^{\frac{9}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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