Integrand size = 21, antiderivative size = 98 \[ \int \csc ^2(e+f x) (b \sec (e+f x))^{5/2} \, dx=-\frac {5 b^3 \csc (e+f x)}{3 f \sqrt {b \sec (e+f x)}}+\frac {5 b^2 \sqrt {\cos (e+f x)} \operatorname {EllipticF}\left (\frac {1}{2} (e+f x),2\right ) \sqrt {b \sec (e+f x)}}{3 f}+\frac {2 b \csc (e+f x) (b \sec (e+f x))^{3/2}}{3 f} \]
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Time = 0.07 (sec) , antiderivative size = 98, 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 = {2706, 2705, 3856, 2720} \[ \int \csc ^2(e+f x) (b \sec (e+f x))^{5/2} \, dx=-\frac {5 b^3 \csc (e+f x)}{3 f \sqrt {b \sec (e+f x)}}+\frac {5 b^2 \sqrt {\cos (e+f x)} \operatorname {EllipticF}\left (\frac {1}{2} (e+f x),2\right ) \sqrt {b \sec (e+f x)}}{3 f}+\frac {2 b \csc (e+f x) (b \sec (e+f x))^{3/2}}{3 f} \]
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Rule 2705
Rule 2706
Rule 2720
Rule 3856
Rubi steps \begin{align*} \text {integral}& = \frac {2 b \csc (e+f x) (b \sec (e+f x))^{3/2}}{3 f}+\frac {1}{3} \left (5 b^2\right ) \int \csc ^2(e+f x) \sqrt {b \sec (e+f x)} \, dx \\ & = -\frac {5 b^3 \csc (e+f x)}{3 f \sqrt {b \sec (e+f x)}}+\frac {2 b \csc (e+f x) (b \sec (e+f x))^{3/2}}{3 f}+\frac {1}{6} \left (5 b^2\right ) \int \sqrt {b \sec (e+f x)} \, dx \\ & = -\frac {5 b^3 \csc (e+f x)}{3 f \sqrt {b \sec (e+f x)}}+\frac {2 b \csc (e+f x) (b \sec (e+f x))^{3/2}}{3 f}+\frac {1}{6} \left (5 b^2 \sqrt {\cos (e+f x)} \sqrt {b \sec (e+f x)}\right ) \int \frac {1}{\sqrt {\cos (e+f x)}} \, dx \\ & = -\frac {5 b^3 \csc (e+f x)}{3 f \sqrt {b \sec (e+f x)}}+\frac {5 b^2 \sqrt {\cos (e+f x)} \operatorname {EllipticF}\left (\frac {1}{2} (e+f x),2\right ) \sqrt {b \sec (e+f x)}}{3 f}+\frac {2 b \csc (e+f x) (b \sec (e+f x))^{3/2}}{3 f} \\ \end{align*}
Time = 0.33 (sec) , antiderivative size = 67, normalized size of antiderivative = 0.68 \[ \int \csc ^2(e+f x) (b \sec (e+f x))^{5/2} \, dx=\frac {b \left (2-3 \cot ^2(e+f x)+5 \cos ^{\frac {3}{2}}(e+f x) \csc (e+f x) \operatorname {EllipticF}\left (\frac {1}{2} (e+f x),2\right )\right ) (b \sec (e+f x))^{3/2} \sin (e+f x)}{3 f} \]
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Result contains complex when optimal does not.
Time = 7.19 (sec) , antiderivative size = 159, normalized size of antiderivative = 1.62
method | result | size |
default | \(-\frac {i b^{2} \sqrt {b \sec \left (f x +e \right )}\, \left (5 \sqrt {\frac {1}{\cos \left (f x +e \right )+1}}\, \sqrt {\frac {\cos \left (f x +e \right )}{\cos \left (f x +e \right )+1}}\, F\left (i \left (-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right ), i\right ) \cos \left (f x +e \right )+5 \sqrt {\frac {1}{\cos \left (f x +e \right )+1}}\, \sqrt {\frac {\cos \left (f x +e \right )}{\cos \left (f x +e \right )+1}}\, F\left (i \left (-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right ), i\right )-5 i \cot \left (f x +e \right )+2 i \csc \left (f x +e \right ) \sec \left (f x +e \right )\right )}{3 f}\) | \(159\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.10 (sec) , antiderivative size = 131, normalized size of antiderivative = 1.34 \[ \int \csc ^2(e+f x) (b \sec (e+f x))^{5/2} \, dx=\frac {-5 i \, \sqrt {2} b^{\frac {5}{2}} \cos \left (f x + e\right ) \sin \left (f x + e\right ) {\rm weierstrassPInverse}\left (-4, 0, \cos \left (f x + e\right ) + i \, \sin \left (f x + e\right )\right ) + 5 i \, \sqrt {2} b^{\frac {5}{2}} \cos \left (f x + e\right ) \sin \left (f x + e\right ) {\rm weierstrassPInverse}\left (-4, 0, \cos \left (f x + e\right ) - i \, \sin \left (f x + e\right )\right ) - 2 \, {\left (5 \, b^{2} \cos \left (f x + e\right )^{2} - 2 \, b^{2}\right )} \sqrt {\frac {b}{\cos \left (f x + e\right )}}}{6 \, f \cos \left (f x + e\right ) \sin \left (f x + e\right )} \]
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Timed out. \[ \int \csc ^2(e+f x) (b \sec (e+f x))^{5/2} \, dx=\text {Timed out} \]
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\[ \int \csc ^2(e+f x) (b \sec (e+f x))^{5/2} \, dx=\int { \left (b \sec \left (f x + e\right )\right )^{\frac {5}{2}} \csc \left (f x + e\right )^{2} \,d x } \]
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\[ \int \csc ^2(e+f x) (b \sec (e+f x))^{5/2} \, dx=\int { \left (b \sec \left (f x + e\right )\right )^{\frac {5}{2}} \csc \left (f x + e\right )^{2} \,d x } \]
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Timed out. \[ \int \csc ^2(e+f x) (b \sec (e+f x))^{5/2} \, dx=\int \frac {{\left (\frac {b}{\cos \left (e+f\,x\right )}\right )}^{5/2}}{{\sin \left (e+f\,x\right )}^2} \,d x \]
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