Integrand size = 21, antiderivative size = 58 \[ \int \frac {\sin ^n(e+f x)}{\sqrt {1+\sin (e+f x)}} \, dx=-\frac {\operatorname {AppellF1}\left (\frac {1}{2},-n,1,\frac {3}{2},1-\sin (e+f x),\frac {1}{2} (1-\sin (e+f x))\right ) \cos (e+f x)}{f \sqrt {1+\sin (e+f x)}} \]
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Time = 0.05 (sec) , antiderivative size = 58, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {2864, 129, 440} \[ \int \frac {\sin ^n(e+f x)}{\sqrt {1+\sin (e+f x)}} \, dx=-\frac {\cos (e+f x) \operatorname {AppellF1}\left (\frac {1}{2},-n,1,\frac {3}{2},1-\sin (e+f x),\frac {1}{2} (1-\sin (e+f x))\right )}{f \sqrt {\sin (e+f x)+1}} \]
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Rule 129
Rule 440
Rule 2864
Rubi steps \begin{align*} \text {integral}& = -\frac {\cos (e+f x) \text {Subst}\left (\int \frac {(1-x)^n}{(2-x) \sqrt {x}} \, dx,x,1-\sin (e+f x)\right )}{f \sqrt {1-\sin (e+f x)} \sqrt {1+\sin (e+f x)}} \\ & = -\frac {(2 \cos (e+f x)) \text {Subst}\left (\int \frac {\left (1-x^2\right )^n}{2-x^2} \, dx,x,\sqrt {1-\sin (e+f x)}\right )}{f \sqrt {1-\sin (e+f x)} \sqrt {1+\sin (e+f x)}} \\ & = -\frac {\operatorname {AppellF1}\left (\frac {1}{2},-n,1,\frac {3}{2},1-\sin (e+f x),\frac {1}{2} (1-\sin (e+f x))\right ) \cos (e+f x)}{f \sqrt {1+\sin (e+f x)}} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(225\) vs. \(2(58)=116\).
Time = 3.59 (sec) , antiderivative size = 225, normalized size of antiderivative = 3.88 \[ \int \frac {\sin ^n(e+f x)}{\sqrt {1+\sin (e+f x)}} \, dx=\frac {\cos (e+f x) (-\sin (e+f x))^{-n} \sin ^n(e+f x) \sqrt {1+\sin (e+f x)} \left (1-\frac {1}{1+\sin (e+f x)}\right )^{-n} \left (4 \operatorname {AppellF1}\left (-\frac {1}{2}-n,-\frac {1}{2},-n,\frac {1}{2}-n,\frac {2}{1+\sin (e+f x)},\frac {1}{1+\sin (e+f x)}\right ) (-\sin (e+f x))^n \sqrt {\frac {-1+\sin (e+f x)}{1+\sin (e+f x)}}-(1+2 n) \operatorname {AppellF1}\left (1,\frac {1}{2},-n,2,\frac {1}{2} (1+\sin (e+f x)),1+\sin (e+f x)\right ) \sqrt {2-2 \sin (e+f x)} \left (1-\frac {1}{1+\sin (e+f x)}\right )^n\right )}{4 f (1+2 n) (-1+\sin (e+f x))} \]
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\[\int \frac {\sin ^{n}\left (f x +e \right )}{\sqrt {\sin \left (f x +e \right )+1}}d x\]
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\[ \int \frac {\sin ^n(e+f x)}{\sqrt {1+\sin (e+f x)}} \, dx=\int { \frac {\sin \left (f x + e\right )^{n}}{\sqrt {\sin \left (f x + e\right ) + 1}} \,d x } \]
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\[ \int \frac {\sin ^n(e+f x)}{\sqrt {1+\sin (e+f x)}} \, dx=\int \frac {\sin ^{n}{\left (e + f x \right )}}{\sqrt {\sin {\left (e + f x \right )} + 1}}\, dx \]
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\[ \int \frac {\sin ^n(e+f x)}{\sqrt {1+\sin (e+f x)}} \, dx=\int { \frac {\sin \left (f x + e\right )^{n}}{\sqrt {\sin \left (f x + e\right ) + 1}} \,d x } \]
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\[ \int \frac {\sin ^n(e+f x)}{\sqrt {1+\sin (e+f x)}} \, dx=\int { \frac {\sin \left (f x + e\right )^{n}}{\sqrt {\sin \left (f x + e\right ) + 1}} \,d x } \]
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Timed out. \[ \int \frac {\sin ^n(e+f x)}{\sqrt {1+\sin (e+f x)}} \, dx=\int \frac {{\sin \left (e+f\,x\right )}^n}{\sqrt {\sin \left (e+f\,x\right )+1}} \,d x \]
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