Optimal. Leaf size=43 \[ \frac{2 b^3}{9 f (b \sec (e+f x))^{9/2}}-\frac{2 b}{5 f (b \sec (e+f x))^{5/2}} \]
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Rubi [A] time = 0.0502984, antiderivative size = 43, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.095, Rules used = {2622, 14} \[ \frac{2 b^3}{9 f (b \sec (e+f x))^{9/2}}-\frac{2 b}{5 f (b \sec (e+f x))^{5/2}} \]
Antiderivative was successfully verified.
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Rule 2622
Rule 14
Rubi steps
\begin{align*} \int \frac{\sin ^3(e+f x)}{(b \sec (e+f x))^{3/2}} \, dx &=\frac{b^3 \operatorname{Subst}\left (\int \frac{-1+\frac{x^2}{b^2}}{x^{11/2}} \, dx,x,b \sec (e+f x)\right )}{f}\\ &=\frac{b^3 \operatorname{Subst}\left (\int \left (-\frac{1}{x^{11/2}}+\frac{1}{b^2 x^{7/2}}\right ) \, dx,x,b \sec (e+f x)\right )}{f}\\ &=\frac{2 b^3}{9 f (b \sec (e+f x))^{9/2}}-\frac{2 b}{5 f (b \sec (e+f x))^{5/2}}\\ \end{align*}
Mathematica [A] time = 0.171556, size = 32, normalized size = 0.74 \[ \frac{b (5 \cos (2 (e+f x))-13)}{45 f (b \sec (e+f x))^{5/2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.102, size = 36, normalized size = 0.8 \begin{align*}{\frac{ \left ( 10\, \left ( \cos \left ( fx+e \right ) \right ) ^{2}-18 \right ) \cos \left ( fx+e \right ) }{45\,f} \left ({\frac{b}{\cos \left ( fx+e \right ) }} \right ) ^{-{\frac{3}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.001, size = 50, normalized size = 1.16 \begin{align*} \frac{2 \,{\left (5 \, b^{2} - \frac{9 \, b^{2}}{\cos \left (f x + e\right )^{2}}\right )} b}{45 \, f \left (\frac{b}{\cos \left (f x + e\right )}\right )^{\frac{9}{2}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.67593, size = 99, normalized size = 2.3 \begin{align*} \frac{2 \,{\left (5 \, \cos \left (f x + e\right )^{5} - 9 \, \cos \left (f x + e\right )^{3}\right )} \sqrt{\frac{b}{\cos \left (f x + e\right )}}}{45 \, b^{2} f} \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 [A] time = 1.47836, size = 68, normalized size = 1.58 \begin{align*} \frac{2 \,{\left (5 \, b^{2} - \frac{9 \, b^{2}}{\cos \left (f x + e\right )^{2}}\right )} \cos \left (f x + e\right )^{4}}{45 \, b^{3} f \sqrt{\frac{b}{\cos \left (f x + e\right )}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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