Integrand size = 14, antiderivative size = 66 \[ \int \frac {1}{(a+a \sin (c+d x))^{2/3}} \, dx=-\frac {\cos (c+d x) \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {7}{6},\frac {3}{2},\frac {1}{2} (1-\sin (c+d x))\right ) \sqrt [6]{1+\sin (c+d x)}}{\sqrt [6]{2} d (a+a \sin (c+d x))^{2/3}} \]
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Time = 0.02 (sec) , antiderivative size = 66, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {2731, 2730} \[ \int \frac {1}{(a+a \sin (c+d x))^{2/3}} \, dx=-\frac {\sqrt [6]{\sin (c+d x)+1} \cos (c+d x) \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {7}{6},\frac {3}{2},\frac {1}{2} (1-\sin (c+d x))\right )}{\sqrt [6]{2} d (a \sin (c+d x)+a)^{2/3}} \]
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Rule 2730
Rule 2731
Rubi steps \begin{align*} \text {integral}& = \frac {(1+\sin (c+d x))^{2/3} \int \frac {1}{(1+\sin (c+d x))^{2/3}} \, dx}{(a+a \sin (c+d x))^{2/3}} \\ & = -\frac {\cos (c+d x) \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {7}{6},\frac {3}{2},\frac {1}{2} (1-\sin (c+d x))\right ) \sqrt [6]{1+\sin (c+d x)}}{\sqrt [6]{2} d (a+a \sin (c+d x))^{2/3}} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(215\) vs. \(2(66)=132\).
Time = 0.65 (sec) , antiderivative size = 215, normalized size of antiderivative = 3.26 \[ \int \frac {1}{(a+a \sin (c+d x))^{2/3}} \, dx=\frac {2 \left (-3 \cos \left (\frac {1}{2} (c+d x)\right ) \left (\cos \left (\frac {1}{2} (c+d x)\right )+\sin \left (\frac {1}{2} (c+d x)\right )\right )+\frac {\left (\cos \left (\frac {1}{2} (c+d x)\right )+\sin \left (\frac {1}{2} (c+d x)\right )\right )^{4/3} \left (-2 \cos \left (\frac {1}{4} (2 c+\pi +2 d x)\right ) \, _2F_1\left (-\frac {1}{2},-\frac {1}{6};\frac {5}{6};\sin ^2\left (\frac {1}{4} (2 c+\pi +2 d x)\right )\right )+\sqrt {\cos ^2\left (\frac {1}{4} (2 c+\pi +2 d x)\right )} \left (2 \cos \left (\frac {1}{4} (2 c+\pi +2 d x)\right )+3 \sin \left (\frac {1}{4} (2 c+\pi +2 d x)\right )\right )\right )}{\sqrt [6]{2} \sqrt {1-\sin (c+d x)} \sqrt [3]{\sin \left (\frac {1}{4} (2 c+\pi +2 d x)\right )}}\right )}{d (a (1+\sin (c+d x)))^{2/3}} \]
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\[\int \frac {1}{\left (a +a \sin \left (d x +c \right )\right )^{\frac {2}{3}}}d x\]
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\[ \int \frac {1}{(a+a \sin (c+d x))^{2/3}} \, dx=\int { \frac {1}{{\left (a \sin \left (d x + c\right ) + a\right )}^{\frac {2}{3}}} \,d x } \]
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\[ \int \frac {1}{(a+a \sin (c+d x))^{2/3}} \, dx=\int \frac {1}{\left (a \sin {\left (c + d x \right )} + a\right )^{\frac {2}{3}}}\, dx \]
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\[ \int \frac {1}{(a+a \sin (c+d x))^{2/3}} \, dx=\int { \frac {1}{{\left (a \sin \left (d x + c\right ) + a\right )}^{\frac {2}{3}}} \,d x } \]
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\[ \int \frac {1}{(a+a \sin (c+d x))^{2/3}} \, dx=\int { \frac {1}{{\left (a \sin \left (d x + c\right ) + a\right )}^{\frac {2}{3}}} \,d x } \]
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Timed out. \[ \int \frac {1}{(a+a \sin (c+d x))^{2/3}} \, dx=\int \frac {1}{{\left (a+a\,\sin \left (c+d\,x\right )\right )}^{2/3}} \,d x \]
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