Integrand size = 11, antiderivative size = 31 \[ \int \frac {\sin (x)}{\sqrt {\sin (2 x)}} \, dx=-\frac {1}{2} \arcsin (\cos (x)-\sin (x))-\frac {1}{2} \log \left (\cos (x)+\sin (x)+\sqrt {\sin (2 x)}\right ) \]
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Time = 0.01 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {4391} \[ \int \frac {\sin (x)}{\sqrt {\sin (2 x)}} \, dx=-\frac {1}{2} \arcsin (\cos (x)-\sin (x))-\frac {1}{2} \log \left (\sin (x)+\sqrt {\sin (2 x)}+\cos (x)\right ) \]
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Rule 4391
Rubi steps \begin{align*} \text {integral}& = -\frac {1}{2} \arcsin (\cos (x)-\sin (x))-\frac {1}{2} \log \left (\cos (x)+\sin (x)+\sqrt {\sin (2 x)}\right ) \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.00 \[ \int \frac {\sin (x)}{\sqrt {\sin (2 x)}} \, dx=\frac {1}{2} \left (-\arcsin (\cos (x)-\sin (x))-\log \left (\cos (x)+\sin (x)+\sqrt {\sin (2 x)}\right )\right ) \]
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Result contains higher order function than in optimal. Order 4 vs. order 3.
Time = 0.38 (sec) , antiderivative size = 266, normalized size of antiderivative = 8.58
method | result | size |
default | \(-\frac {\sqrt {-\frac {\tan \left (\frac {x}{2}\right )}{\tan ^{2}\left (\frac {x}{2}\right )-1}}\, \left (\tan ^{2}\left (\frac {x}{2}\right )-1\right ) \left (2 \sqrt {1+\tan \left (\frac {x}{2}\right )}\, \sqrt {-2 \tan \left (\frac {x}{2}\right )+2}\, \sqrt {-\tan \left (\frac {x}{2}\right )}\, E\left (\sqrt {1+\tan \left (\frac {x}{2}\right )}, \frac {\sqrt {2}}{2}\right ) \left (\tan ^{2}\left (\frac {x}{2}\right )\right )-\sqrt {1+\tan \left (\frac {x}{2}\right )}\, \sqrt {-2 \tan \left (\frac {x}{2}\right )+2}\, \sqrt {-\tan \left (\frac {x}{2}\right )}\, F\left (\sqrt {1+\tan \left (\frac {x}{2}\right )}, \frac {\sqrt {2}}{2}\right ) \left (\tan ^{2}\left (\frac {x}{2}\right )\right )+2 \sqrt {1+\tan \left (\frac {x}{2}\right )}\, \sqrt {-2 \tan \left (\frac {x}{2}\right )+2}\, \sqrt {-\tan \left (\frac {x}{2}\right )}\, E\left (\sqrt {1+\tan \left (\frac {x}{2}\right )}, \frac {\sqrt {2}}{2}\right )-\sqrt {1+\tan \left (\frac {x}{2}\right )}\, \sqrt {-2 \tan \left (\frac {x}{2}\right )+2}\, \sqrt {-\tan \left (\frac {x}{2}\right )}\, F\left (\sqrt {1+\tan \left (\frac {x}{2}\right )}, \frac {\sqrt {2}}{2}\right )+2 \left (\tan ^{4}\left (\frac {x}{2}\right )\right )-2 \left (\tan ^{2}\left (\frac {x}{2}\right )\right )\right )}{2 \sqrt {\tan \left (\frac {x}{2}\right ) \left (\tan ^{2}\left (\frac {x}{2}\right )-1\right )}\, \left (1+\tan ^{2}\left (\frac {x}{2}\right )\right ) \sqrt {\tan ^{3}\left (\frac {x}{2}\right )-\tan \left (\frac {x}{2}\right )}}\) | \(266\) |
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Leaf count of result is larger than twice the leaf count of optimal. 137 vs. \(2 (25) = 50\).
Time = 0.28 (sec) , antiderivative size = 137, normalized size of antiderivative = 4.42 \[ \int \frac {\sin (x)}{\sqrt {\sin (2 x)}} \, dx=\frac {1}{4} \, \arctan \left (-\frac {\sqrt {2} \sqrt {\cos \left (x\right ) \sin \left (x\right )} {\left (\cos \left (x\right ) - \sin \left (x\right )\right )} + \cos \left (x\right ) \sin \left (x\right )}{\cos \left (x\right )^{2} + 2 \, \cos \left (x\right ) \sin \left (x\right ) - 1}\right ) - \frac {1}{4} \, \arctan \left (-\frac {2 \, \sqrt {2} \sqrt {\cos \left (x\right ) \sin \left (x\right )} - \cos \left (x\right ) - \sin \left (x\right )}{\cos \left (x\right ) - \sin \left (x\right )}\right ) + \frac {1}{8} \, \log \left (-32 \, \cos \left (x\right )^{4} + 4 \, \sqrt {2} {\left (4 \, \cos \left (x\right )^{3} - {\left (4 \, \cos \left (x\right )^{2} + 1\right )} \sin \left (x\right ) - 5 \, \cos \left (x\right )\right )} \sqrt {\cos \left (x\right ) \sin \left (x\right )} + 32 \, \cos \left (x\right )^{2} + 16 \, \cos \left (x\right ) \sin \left (x\right ) + 1\right ) \]
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Timed out. \[ \int \frac {\sin (x)}{\sqrt {\sin (2 x)}} \, dx=\text {Timed out} \]
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\[ \int \frac {\sin (x)}{\sqrt {\sin (2 x)}} \, dx=\int { \frac {\sin \left (x\right )}{\sqrt {\sin \left (2 \, x\right )}} \,d x } \]
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\[ \int \frac {\sin (x)}{\sqrt {\sin (2 x)}} \, dx=\int { \frac {\sin \left (x\right )}{\sqrt {\sin \left (2 \, x\right )}} \,d x } \]
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Timed out. \[ \int \frac {\sin (x)}{\sqrt {\sin (2 x)}} \, dx=\int \frac {\sin \left (x\right )}{\sqrt {\sin \left (2\,x\right )}} \,d x \]
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