Integrand size = 22, antiderivative size = 84 \[ \int \frac {\cos ^3(a+b x)}{\sqrt {\sin (2 a+2 b x)}} \, dx=-\frac {3 \arcsin (\cos (a+b x)-\sin (a+b x))}{8 b}+\frac {3 \log \left (\cos (a+b x)+\sin (a+b x)+\sqrt {\sin (2 a+2 b x)}\right )}{8 b}+\frac {\cos (a+b x) \sqrt {\sin (2 a+2 b x)}}{4 b} \]
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Time = 0.07 (sec) , antiderivative size = 84, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {4382, 4390} \[ \int \frac {\cos ^3(a+b x)}{\sqrt {\sin (2 a+2 b x)}} \, dx=-\frac {3 \arcsin (\cos (a+b x)-\sin (a+b x))}{8 b}+\frac {\sqrt {\sin (2 a+2 b x)} \cos (a+b x)}{4 b}+\frac {3 \log \left (\sin (a+b x)+\sqrt {\sin (2 a+2 b x)}+\cos (a+b x)\right )}{8 b} \]
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Rule 4382
Rule 4390
Rubi steps \begin{align*} \text {integral}& = \frac {\cos (a+b x) \sqrt {\sin (2 a+2 b x)}}{4 b}+\frac {3}{4} \int \frac {\cos (a+b x)}{\sqrt {\sin (2 a+2 b x)}} \, dx \\ & = -\frac {3 \arcsin (\cos (a+b x)-\sin (a+b x))}{8 b}+\frac {3 \log \left (\cos (a+b x)+\sin (a+b x)+\sqrt {\sin (2 a+2 b x)}\right )}{8 b}+\frac {\cos (a+b x) \sqrt {\sin (2 a+2 b x)}}{4 b} \\ \end{align*}
Time = 0.35 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.87 \[ \int \frac {\cos ^3(a+b x)}{\sqrt {\sin (2 a+2 b x)}} \, dx=\frac {-3 \arcsin (\cos (a+b x)-\sin (a+b x))+3 \log \left (\cos (a+b x)+\sin (a+b x)+\sqrt {\sin (2 (a+b x))}\right )+\csc (a+b x) \sin ^{\frac {3}{2}}(2 (a+b x))}{8 b} \]
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result has leaf size over 500,000. Avoiding possible recursion issues.
Time = 36.61 (sec) , antiderivative size = 213968312, normalized size of antiderivative = 2547241.81
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Leaf count of result is larger than twice the leaf count of optimal. 268 vs. \(2 (74) = 148\).
Time = 0.26 (sec) , antiderivative size = 268, normalized size of antiderivative = 3.19 \[ \int \frac {\cos ^3(a+b x)}{\sqrt {\sin (2 a+2 b x)}} \, dx=\frac {8 \, \sqrt {2} \sqrt {\cos \left (b x + a\right ) \sin \left (b x + a\right )} \cos \left (b x + a\right ) + 6 \, \arctan \left (-\frac {\sqrt {2} \sqrt {\cos \left (b x + a\right ) \sin \left (b x + a\right )} {\left (\cos \left (b x + a\right ) - \sin \left (b x + a\right )\right )} + \cos \left (b x + a\right ) \sin \left (b x + a\right )}{\cos \left (b x + a\right )^{2} + 2 \, \cos \left (b x + a\right ) \sin \left (b x + a\right ) - 1}\right ) - 6 \, \arctan \left (-\frac {2 \, \sqrt {2} \sqrt {\cos \left (b x + a\right ) \sin \left (b x + a\right )} - \cos \left (b x + a\right ) - \sin \left (b x + a\right )}{\cos \left (b x + a\right ) - \sin \left (b x + a\right )}\right ) - 3 \, \log \left (-32 \, \cos \left (b x + a\right )^{4} + 4 \, \sqrt {2} {\left (4 \, \cos \left (b x + a\right )^{3} - {\left (4 \, \cos \left (b x + a\right )^{2} + 1\right )} \sin \left (b x + a\right ) - 5 \, \cos \left (b x + a\right )\right )} \sqrt {\cos \left (b x + a\right ) \sin \left (b x + a\right )} + 32 \, \cos \left (b x + a\right )^{2} + 16 \, \cos \left (b x + a\right ) \sin \left (b x + a\right ) + 1\right )}{32 \, b} \]
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Timed out. \[ \int \frac {\cos ^3(a+b x)}{\sqrt {\sin (2 a+2 b x)}} \, dx=\text {Timed out} \]
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\[ \int \frac {\cos ^3(a+b x)}{\sqrt {\sin (2 a+2 b x)}} \, dx=\int { \frac {\cos \left (b x + a\right )^{3}}{\sqrt {\sin \left (2 \, b x + 2 \, a\right )}} \,d x } \]
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\[ \int \frac {\cos ^3(a+b x)}{\sqrt {\sin (2 a+2 b x)}} \, dx=\int { \frac {\cos \left (b x + a\right )^{3}}{\sqrt {\sin \left (2 \, b x + 2 \, a\right )}} \,d x } \]
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Timed out. \[ \int \frac {\cos ^3(a+b x)}{\sqrt {\sin (2 a+2 b x)}} \, dx=\int \frac {{\cos \left (a+b\,x\right )}^3}{\sqrt {\sin \left (2\,a+2\,b\,x\right )}} \,d x \]
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