Optimal. Leaf size=79 \[ -\frac{\sin ^3(e+f x) \sin ^2(e+f x)^{\frac{n-2}{2}} (d \cot (e+f x))^{n+1} \text{Hypergeometric2F1}\left (\frac{n-2}{2},\frac{n+1}{2},\frac{n+3}{2},\cos ^2(e+f x)\right )}{d f (n+1)} \]
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Rubi [A] time = 0.0424696, antiderivative size = 79, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.053, Rules used = {2617} \[ -\frac{\sin ^3(e+f x) \sin ^2(e+f x)^{\frac{n-2}{2}} (d \cot (e+f x))^{n+1} \, _2F_1\left (\frac{n-2}{2},\frac{n+1}{2};\frac{n+3}{2};\cos ^2(e+f x)\right )}{d f (n+1)} \]
Antiderivative was successfully verified.
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Rule 2617
Rubi steps
\begin{align*} \int (d \cot (e+f x))^n \sin ^3(e+f x) \, dx &=-\frac{(d \cot (e+f x))^{1+n} \, _2F_1\left (\frac{1}{2} (-2+n),\frac{1+n}{2};\frac{3+n}{2};\cos ^2(e+f x)\right ) \sin ^3(e+f x) \sin ^2(e+f x)^{\frac{1}{2} (-2+n)}}{d f (1+n)}\\ \end{align*}
Mathematica [C] time = 2.30768, size = 477, normalized size = 6.04 \[ -\frac{4 (n-4) \sin \left (\frac{1}{2} (e+f x)\right ) \sin ^3(e+f x) \cos ^3\left (\frac{1}{2} (e+f x)\right ) \left (F_1\left (1-\frac{n}{2};-n,3;2-\frac{n}{2};\tan ^2\left (\frac{1}{2} (e+f x)\right ),-\tan ^2\left (\frac{1}{2} (e+f x)\right )\right )-F_1\left (1-\frac{n}{2};-n,4;2-\frac{n}{2};\tan ^2\left (\frac{1}{2} (e+f x)\right ),-\tan ^2\left (\frac{1}{2} (e+f x)\right )\right )\right ) (d \cot (e+f x))^n}{f (n-2) \left (2 (n-4) \cos ^2\left (\frac{1}{2} (e+f x)\right ) F_1\left (1-\frac{n}{2};-n,3;2-\frac{n}{2};\tan ^2\left (\frac{1}{2} (e+f x)\right ),-\tan ^2\left (\frac{1}{2} (e+f x)\right )\right )-2 (n-4) \cos ^2\left (\frac{1}{2} (e+f x)\right ) F_1\left (1-\frac{n}{2};-n,4;2-\frac{n}{2};\tan ^2\left (\frac{1}{2} (e+f x)\right ),-\tan ^2\left (\frac{1}{2} (e+f x)\right )\right )-2 (\cos (e+f x)-1) \left (n F_1\left (2-\frac{n}{2};1-n,3;3-\frac{n}{2};\tan ^2\left (\frac{1}{2} (e+f x)\right ),-\tan ^2\left (\frac{1}{2} (e+f x)\right )\right )-n F_1\left (2-\frac{n}{2};1-n,4;3-\frac{n}{2};\tan ^2\left (\frac{1}{2} (e+f x)\right ),-\tan ^2\left (\frac{1}{2} (e+f x)\right )\right )+3 F_1\left (2-\frac{n}{2};-n,4;3-\frac{n}{2};\tan ^2\left (\frac{1}{2} (e+f x)\right ),-\tan ^2\left (\frac{1}{2} (e+f x)\right )\right )-4 F_1\left (2-\frac{n}{2};-n,5;3-\frac{n}{2};\tan ^2\left (\frac{1}{2} (e+f x)\right ),-\tan ^2\left (\frac{1}{2} (e+f x)\right )\right )\right )\right )} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 1.074, size = 0, normalized size = 0. \begin{align*} \int \left ( d\cot \left ( fx+e \right ) \right ) ^{n} \left ( \sin \left ( fx+e \right ) \right ) ^{3}\, 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 \left (d \cot \left (f x + e\right )\right )^{n} \sin \left (f x + e\right )^{3}\,{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 (f x + e\right )^{2} - 1\right )} \left (d \cot \left (f x + e\right )\right )^{n} \sin \left (f x + e\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 \left (d \cot \left (f x + e\right )\right )^{n} \sin \left (f x + e\right )^{3}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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