Integrand size = 19, antiderivative size = 51 \[ \int (d \cot (e+f x))^n \sin ^4(e+f x) \, dx=-\frac {(d \cot (e+f x))^{1+n} \operatorname {Hypergeometric2F1}\left (3,\frac {1+n}{2},\frac {3+n}{2},-\cot ^2(e+f x)\right )}{d f (1+n)} \]
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Time = 0.06 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {2687, 371} \[ \int (d \cot (e+f x))^n \sin ^4(e+f x) \, dx=-\frac {(d \cot (e+f x))^{n+1} \operatorname {Hypergeometric2F1}\left (3,\frac {n+1}{2},\frac {n+3}{2},-\cot ^2(e+f x)\right )}{d f (n+1)} \]
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Rule 371
Rule 2687
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {(-d x)^n}{\left (1+x^2\right )^3} \, dx,x,-\cot (e+f x)\right )}{f} \\ & = -\frac {(d \cot (e+f x))^{1+n} \operatorname {Hypergeometric2F1}\left (3,\frac {1+n}{2},\frac {3+n}{2},-\cot ^2(e+f x)\right )}{d f (1+n)} \\ \end{align*}
Time = 0.54 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.16 \[ \int (d \cot (e+f x))^n \sin ^4(e+f x) \, dx=\frac {(d \cot (e+f x))^n \operatorname {Hypergeometric2F1}\left (3,\frac {5}{2}-\frac {n}{2},\frac {7}{2}-\frac {n}{2},-\tan ^2(e+f x)\right ) \tan ^5(e+f x)}{f (5-n)} \]
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\[\int \left (d \cot \left (f x +e \right )\right )^{n} \sin \left (f x +e \right )^{4}d x\]
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\[ \int (d \cot (e+f x))^n \sin ^4(e+f x) \, dx=\int { \left (d \cot \left (f x + e\right )\right )^{n} \sin \left (f x + e\right )^{4} \,d x } \]
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\[ \int (d \cot (e+f x))^n \sin ^4(e+f x) \, dx=\int \left (d \cot {\left (e + f x \right )}\right )^{n} \sin ^{4}{\left (e + f x \right )}\, dx \]
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\[ \int (d \cot (e+f x))^n \sin ^4(e+f x) \, dx=\int { \left (d \cot \left (f x + e\right )\right )^{n} \sin \left (f x + e\right )^{4} \,d x } \]
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\[ \int (d \cot (e+f x))^n \sin ^4(e+f x) \, dx=\int { \left (d \cot \left (f x + e\right )\right )^{n} \sin \left (f x + e\right )^{4} \,d x } \]
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Timed out. \[ \int (d \cot (e+f x))^n \sin ^4(e+f x) \, dx=\int {\sin \left (e+f\,x\right )}^4\,{\left (d\,\mathrm {cot}\left (e+f\,x\right )\right )}^n \,d x \]
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