Integrand size = 21, antiderivative size = 75 \[ \int (d \csc (e+f x))^{3/2} \sin ^3(e+f x) \, dx=-\frac {2 d^2 \cos (e+f x)}{3 f \sqrt {d \csc (e+f x)}}+\frac {2 d \sqrt {d \csc (e+f x)} \operatorname {EllipticF}\left (\frac {1}{2} \left (e-\frac {\pi }{2}+f x\right ),2\right ) \sqrt {\sin (e+f x)}}{3 f} \]
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Time = 0.04 (sec) , antiderivative size = 75, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.190, Rules used = {16, 3854, 3856, 2720} \[ \int (d \csc (e+f x))^{3/2} \sin ^3(e+f x) \, dx=\frac {2 d \sqrt {\sin (e+f x)} \operatorname {EllipticF}\left (\frac {1}{2} \left (e+f x-\frac {\pi }{2}\right ),2\right ) \sqrt {d \csc (e+f x)}}{3 f}-\frac {2 d^2 \cos (e+f x)}{3 f \sqrt {d \csc (e+f x)}} \]
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Rule 16
Rule 2720
Rule 3854
Rule 3856
Rubi steps \begin{align*} \text {integral}& = d^3 \int \frac {1}{(d \csc (e+f x))^{3/2}} \, dx \\ & = -\frac {2 d^2 \cos (e+f x)}{3 f \sqrt {d \csc (e+f x)}}+\frac {1}{3} d \int \sqrt {d \csc (e+f x)} \, dx \\ & = -\frac {2 d^2 \cos (e+f x)}{3 f \sqrt {d \csc (e+f x)}}+\frac {1}{3} \left (d \sqrt {d \csc (e+f x)} \sqrt {\sin (e+f x)}\right ) \int \frac {1}{\sqrt {\sin (e+f x)}} \, dx \\ & = -\frac {2 d^2 \cos (e+f x)}{3 f \sqrt {d \csc (e+f x)}}+\frac {2 d \sqrt {d \csc (e+f x)} \operatorname {EllipticF}\left (\frac {1}{2} \left (e-\frac {\pi }{2}+f x\right ),2\right ) \sqrt {\sin (e+f x)}}{3 f} \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 56, normalized size of antiderivative = 0.75 \[ \int (d \csc (e+f x))^{3/2} \sin ^3(e+f x) \, dx=-\frac {d \sqrt {d \csc (e+f x)} \left (2 \operatorname {EllipticF}\left (\frac {1}{4} (-2 e+\pi -2 f x),2\right ) \sqrt {\sin (e+f x)}+\sin (2 (e+f x))\right )}{3 f} \]
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Result contains complex when optimal does not.
Time = 0.89 (sec) , antiderivative size = 159, normalized size of antiderivative = 2.12
method | result | size |
default | \(\frac {\sqrt {2}\, \left (i \sin \left (f x +e \right ) \sqrt {-i \left (i-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right )}\, \sqrt {i \left (-i-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right )}\, \sqrt {i \left (-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right )}\, F\left (\sqrt {-i \left (i-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right )}, \frac {\sqrt {2}}{2}\right )+\left (\cos ^{2}\left (f x +e \right )\right ) \sqrt {2}-\sqrt {2}\, \cos \left (f x +e \right )\right ) d \csc \left (f x +e \right ) \sqrt {d \csc \left (f x +e \right )}\, \left (\cos \left (f x +e \right )+1\right )}{3 f}\) | \(159\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.10 (sec) , antiderivative size = 85, normalized size of antiderivative = 1.13 \[ \int (d \csc (e+f x))^{3/2} \sin ^3(e+f x) \, dx=-\frac {2 \, d \sqrt {\frac {d}{\sin \left (f x + e\right )}} \cos \left (f x + e\right ) \sin \left (f x + e\right ) + i \, \sqrt {2 i \, d} d {\rm weierstrassPInverse}\left (4, 0, \cos \left (f x + e\right ) + i \, \sin \left (f x + e\right )\right ) - i \, \sqrt {-2 i \, d} d {\rm weierstrassPInverse}\left (4, 0, \cos \left (f x + e\right ) - i \, \sin \left (f x + e\right )\right )}{3 \, f} \]
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Timed out. \[ \int (d \csc (e+f x))^{3/2} \sin ^3(e+f x) \, dx=\text {Timed out} \]
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\[ \int (d \csc (e+f x))^{3/2} \sin ^3(e+f x) \, dx=\int { \left (d \csc \left (f x + e\right )\right )^{\frac {3}{2}} \sin \left (f x + e\right )^{3} \,d x } \]
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\[ \int (d \csc (e+f x))^{3/2} \sin ^3(e+f x) \, dx=\int { \left (d \csc \left (f x + e\right )\right )^{\frac {3}{2}} \sin \left (f x + e\right )^{3} \,d x } \]
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Timed out. \[ \int (d \csc (e+f x))^{3/2} \sin ^3(e+f x) \, dx=\int {\sin \left (e+f\,x\right )}^3\,{\left (\frac {d}{\sin \left (e+f\,x\right )}\right )}^{3/2} \,d x \]
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