Integrand size = 21, antiderivative size = 96 \[ \int (d \cos (a+b x))^{7/2} \csc ^2(a+b x) \, dx=-\frac {d (d \cos (a+b x))^{5/2} \csc (a+b x)}{b}-\frac {5 d^4 \sqrt {\cos (a+b x)} \operatorname {EllipticF}\left (\frac {1}{2} (a+b x),2\right )}{3 b \sqrt {d \cos (a+b x)}}-\frac {5 d^3 \sqrt {d \cos (a+b x)} \sin (a+b x)}{3 b} \]
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Time = 0.06 (sec) , antiderivative size = 96, 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 = {2647, 2715, 2721, 2720} \[ \int (d \cos (a+b x))^{7/2} \csc ^2(a+b x) \, dx=-\frac {5 d^4 \sqrt {\cos (a+b x)} \operatorname {EllipticF}\left (\frac {1}{2} (a+b x),2\right )}{3 b \sqrt {d \cos (a+b x)}}-\frac {5 d^3 \sin (a+b x) \sqrt {d \cos (a+b x)}}{3 b}-\frac {d \csc (a+b x) (d \cos (a+b x))^{5/2}}{b} \]
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Rule 2647
Rule 2715
Rule 2720
Rule 2721
Rubi steps \begin{align*} \text {integral}& = -\frac {d (d \cos (a+b x))^{5/2} \csc (a+b x)}{b}-\frac {1}{2} \left (5 d^2\right ) \int (d \cos (a+b x))^{3/2} \, dx \\ & = -\frac {d (d \cos (a+b x))^{5/2} \csc (a+b x)}{b}-\frac {5 d^3 \sqrt {d \cos (a+b x)} \sin (a+b x)}{3 b}-\frac {1}{6} \left (5 d^4\right ) \int \frac {1}{\sqrt {d \cos (a+b x)}} \, dx \\ & = -\frac {d (d \cos (a+b x))^{5/2} \csc (a+b x)}{b}-\frac {5 d^3 \sqrt {d \cos (a+b x)} \sin (a+b x)}{3 b}-\frac {\left (5 d^4 \sqrt {\cos (a+b x)}\right ) \int \frac {1}{\sqrt {\cos (a+b x)}} \, dx}{6 \sqrt {d \cos (a+b x)}} \\ & = -\frac {d (d \cos (a+b x))^{5/2} \csc (a+b x)}{b}-\frac {5 d^4 \sqrt {\cos (a+b x)} \operatorname {EllipticF}\left (\frac {1}{2} (a+b x),2\right )}{3 b \sqrt {d \cos (a+b x)}}-\frac {5 d^3 \sqrt {d \cos (a+b x)} \sin (a+b x)}{3 b} \\ \end{align*}
Time = 0.38 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.76 \[ \int (d \cos (a+b x))^{7/2} \csc ^2(a+b x) \, dx=\frac {d^3 \sqrt {d \cos (a+b x)} \left (\sqrt {\cos (a+b x)} (-4+\cos (2 (a+b x))) \csc (a+b x)-5 \operatorname {EllipticF}\left (\frac {1}{2} (a+b x),2\right )\right )}{3 b \sqrt {\cos (a+b x)}} \]
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Time = 2.44 (sec) , antiderivative size = 216, normalized size of antiderivative = 2.25
method | result | size |
default | \(-\frac {\sqrt {d \left (2 \left (\cos ^{2}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )-1\right ) \left (\sin ^{2}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )}\, d^{5} \sin \left (\frac {b x}{2}+\frac {a}{2}\right ) \left (-32 \left (\sin ^{8}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )+10 \cos \left (\frac {b x}{2}+\frac {a}{2}\right ) {\left (2 \left (\sin ^{2}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )-1\right )}^{\frac {3}{2}} F\left (\cos \left (\frac {b x}{2}+\frac {a}{2}\right ), \sqrt {2}\right ) \sqrt {\frac {1}{2}-\frac {\cos \left (b x +a \right )}{2}}+64 \left (\sin ^{6}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )-28 \left (\sin ^{4}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )-4 \left (\sin ^{2}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )+3\right )}{6 {\left (-2 \left (\sin ^{4}\left (\frac {b x}{2}+\frac {a}{2}\right )\right ) d +d \left (\sin ^{2}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )\right )}^{\frac {3}{2}} \cos \left (\frac {b x}{2}+\frac {a}{2}\right ) \sqrt {d \left (2 \left (\cos ^{2}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )-1\right )}\, b}\) | \(216\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.10 (sec) , antiderivative size = 109, normalized size of antiderivative = 1.14 \[ \int (d \cos (a+b x))^{7/2} \csc ^2(a+b x) \, dx=\frac {5 i \, \sqrt {2} d^{\frac {7}{2}} \sin \left (b x + a\right ) {\rm weierstrassPInverse}\left (-4, 0, \cos \left (b x + a\right ) + i \, \sin \left (b x + a\right )\right ) - 5 i \, \sqrt {2} d^{\frac {7}{2}} \sin \left (b x + a\right ) {\rm weierstrassPInverse}\left (-4, 0, \cos \left (b x + a\right ) - i \, \sin \left (b x + a\right )\right ) + 2 \, {\left (2 \, d^{3} \cos \left (b x + a\right )^{2} - 5 \, d^{3}\right )} \sqrt {d \cos \left (b x + a\right )}}{6 \, b \sin \left (b x + a\right )} \]
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Timed out. \[ \int (d \cos (a+b x))^{7/2} \csc ^2(a+b x) \, dx=\text {Timed out} \]
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\[ \int (d \cos (a+b x))^{7/2} \csc ^2(a+b x) \, dx=\int { \left (d \cos \left (b x + a\right )\right )^{\frac {7}{2}} \csc \left (b x + a\right )^{2} \,d x } \]
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\[ \int (d \cos (a+b x))^{7/2} \csc ^2(a+b x) \, dx=\int { \left (d \cos \left (b x + a\right )\right )^{\frac {7}{2}} \csc \left (b x + a\right )^{2} \,d x } \]
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Timed out. \[ \int (d \cos (a+b x))^{7/2} \csc ^2(a+b x) \, dx=\int \frac {{\left (d\,\cos \left (a+b\,x\right )\right )}^{7/2}}{{\sin \left (a+b\,x\right )}^2} \,d x \]
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