Integrand size = 23, antiderivative size = 113 \[ \int \frac {\cos ^3(c+d x)}{\sqrt {3-4 \cos (c+d x)}} \, dx=-\frac {9 \sqrt {7} E\left (\frac {1}{2} (c+\pi +d x)|\frac {8}{7}\right )}{20 d}+\frac {23 \operatorname {EllipticF}\left (\frac {1}{2} (c+\pi +d x),\frac {8}{7}\right )}{20 \sqrt {7} d}-\frac {\sqrt {3-4 \cos (c+d x)} \sin (c+d x)}{10 d}-\frac {\sqrt {3-4 \cos (c+d x)} \cos (c+d x) \sin (c+d x)}{10 d} \]
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Time = 0.17 (sec) , antiderivative size = 113, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.217, Rules used = {2872, 3102, 2831, 2741, 2733} \[ \int \frac {\cos ^3(c+d x)}{\sqrt {3-4 \cos (c+d x)}} \, dx=\frac {23 \operatorname {EllipticF}\left (\frac {1}{2} (c+d x+\pi ),\frac {8}{7}\right )}{20 \sqrt {7} d}-\frac {9 \sqrt {7} E\left (\frac {1}{2} (c+d x+\pi )|\frac {8}{7}\right )}{20 d}-\frac {\sin (c+d x) \sqrt {3-4 \cos (c+d x)} \cos (c+d x)}{10 d}-\frac {\sin (c+d x) \sqrt {3-4 \cos (c+d x)}}{10 d} \]
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Rule 2733
Rule 2741
Rule 2831
Rule 2872
Rule 3102
Rubi steps \begin{align*} \text {integral}& = -\frac {\sqrt {3-4 \cos (c+d x)} \cos (c+d x) \sin (c+d x)}{10 d}-\frac {1}{10} \int \frac {3-6 \cos (c+d x)-6 \cos ^2(c+d x)}{\sqrt {3-4 \cos (c+d x)}} \, dx \\ & = -\frac {\sqrt {3-4 \cos (c+d x)} \sin (c+d x)}{10 d}-\frac {\sqrt {3-4 \cos (c+d x)} \cos (c+d x) \sin (c+d x)}{10 d}+\frac {1}{60} \int \frac {-6+54 \cos (c+d x)}{\sqrt {3-4 \cos (c+d x)}} \, dx \\ & = -\frac {\sqrt {3-4 \cos (c+d x)} \sin (c+d x)}{10 d}-\frac {\sqrt {3-4 \cos (c+d x)} \cos (c+d x) \sin (c+d x)}{10 d}-\frac {9}{40} \int \sqrt {3-4 \cos (c+d x)} \, dx+\frac {23}{40} \int \frac {1}{\sqrt {3-4 \cos (c+d x)}} \, dx \\ & = -\frac {9 \sqrt {7} E\left (\frac {1}{2} (c+\pi +d x)|\frac {8}{7}\right )}{20 d}+\frac {23 \operatorname {EllipticF}\left (\frac {1}{2} (c+\pi +d x),\frac {8}{7}\right )}{20 \sqrt {7} d}-\frac {\sqrt {3-4 \cos (c+d x)} \sin (c+d x)}{10 d}-\frac {\sqrt {3-4 \cos (c+d x)} \cos (c+d x) \sin (c+d x)}{10 d} \\ \end{align*}
Time = 0.25 (sec) , antiderivative size = 102, normalized size of antiderivative = 0.90 \[ \int \frac {\cos ^3(c+d x)}{\sqrt {3-4 \cos (c+d x)}} \, dx=\frac {9 \sqrt {-3+4 \cos (c+d x)} E\left (\left .\frac {1}{2} (c+d x)\right |8\right )+23 \sqrt {-3+4 \cos (c+d x)} \operatorname {EllipticF}\left (\frac {1}{2} (c+d x),8\right )-4 \sin (c+d x)+\sin (2 (c+d x))+2 \sin (3 (c+d x))}{20 d \sqrt {3-4 \cos (c+d x)}} \]
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Time = 4.36 (sec) , antiderivative size = 254, normalized size of antiderivative = 2.25
method | result | size |
default | \(-\frac {\sqrt {-\left (8 \left (\cos ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-7\right ) \left (\sin ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}\, \left (-448 \cos \left (\frac {d x}{2}+\frac {c}{2}\right ) \left (\sin ^{6}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+504 \left (\sin ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right ) \cos \left (\frac {d x}{2}+\frac {c}{2}\right )-56 \left (\sin ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right ) \cos \left (\frac {d x}{2}+\frac {c}{2}\right )+23 \sqrt {\frac {1}{2}-\frac {\cos \left (d x +c \right )}{2}}\, \sqrt {56 \left (\sin ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-7}\, F\left (\cos \left (\frac {d x}{2}+\frac {c}{2}\right ), \frac {2 \sqrt {14}}{7}\right )-63 \sqrt {\frac {1}{2}-\frac {\cos \left (d x +c \right )}{2}}\, \sqrt {56 \left (\sin ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-7}\, E\left (\cos \left (\frac {d x}{2}+\frac {c}{2}\right ), \frac {2 \sqrt {14}}{7}\right )\right )}{140 \sqrt {8 \left (\sin ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-\left (\sin ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}\, \sin \left (\frac {d x}{2}+\frac {c}{2}\right ) \sqrt {-8 \left (\cos ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+7}\, d}\) | \(254\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.10 (sec) , antiderivative size = 136, normalized size of antiderivative = 1.20 \[ \int \frac {\cos ^3(c+d x)}{\sqrt {3-4 \cos (c+d x)}} \, dx=-\frac {4 \, {\left (\cos \left (d x + c\right ) + 1\right )} \sqrt {-4 \, \cos \left (d x + c\right ) + 3} \sin \left (d x + c\right ) + 7 \, \sqrt {2} {\rm weierstrassPInverse}\left (-1, -1, \cos \left (d x + c\right ) + i \, \sin \left (d x + c\right ) - \frac {1}{2}\right ) + 7 \, \sqrt {2} {\rm weierstrassPInverse}\left (-1, -1, \cos \left (d x + c\right ) - i \, \sin \left (d x + c\right ) - \frac {1}{2}\right ) - 18 \, \sqrt {2} {\rm weierstrassZeta}\left (-1, -1, {\rm weierstrassPInverse}\left (-1, -1, \cos \left (d x + c\right ) + i \, \sin \left (d x + c\right ) - \frac {1}{2}\right )\right ) - 18 \, \sqrt {2} {\rm weierstrassZeta}\left (-1, -1, {\rm weierstrassPInverse}\left (-1, -1, \cos \left (d x + c\right ) - i \, \sin \left (d x + c\right ) - \frac {1}{2}\right )\right )}{40 \, d} \]
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Timed out. \[ \int \frac {\cos ^3(c+d x)}{\sqrt {3-4 \cos (c+d x)}} \, dx=\text {Timed out} \]
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\[ \int \frac {\cos ^3(c+d x)}{\sqrt {3-4 \cos (c+d x)}} \, dx=\int { \frac {\cos \left (d x + c\right )^{3}}{\sqrt {-4 \, \cos \left (d x + c\right ) + 3}} \,d x } \]
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\[ \int \frac {\cos ^3(c+d x)}{\sqrt {3-4 \cos (c+d x)}} \, dx=\int { \frac {\cos \left (d x + c\right )^{3}}{\sqrt {-4 \, \cos \left (d x + c\right ) + 3}} \,d x } \]
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Timed out. \[ \int \frac {\cos ^3(c+d x)}{\sqrt {3-4 \cos (c+d x)}} \, dx=\int \frac {{\cos \left (c+d\,x\right )}^3}{\sqrt {3-4\,\cos \left (c+d\,x\right )}} \,d x \]
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