Integrand size = 19, antiderivative size = 55 \[ \int (b \cos (c+d x))^{2/3} \sec (c+d x) \, dx=-\frac {3 (b \cos (c+d x))^{2/3} \operatorname {Hypergeometric2F1}\left (\frac {1}{3},\frac {1}{2},\frac {4}{3},\cos ^2(c+d x)\right ) \sin (c+d x)}{2 d \sqrt {\sin ^2(c+d x)}} \]
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Time = 0.03 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {16, 2722} \[ \int (b \cos (c+d x))^{2/3} \sec (c+d x) \, dx=-\frac {3 \sin (c+d x) (b \cos (c+d x))^{2/3} \operatorname {Hypergeometric2F1}\left (\frac {1}{3},\frac {1}{2},\frac {4}{3},\cos ^2(c+d x)\right )}{2 d \sqrt {\sin ^2(c+d x)}} \]
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Rule 16
Rule 2722
Rubi steps \begin{align*} \text {integral}& = b \int \frac {1}{\sqrt [3]{b \cos (c+d x)}} \, dx \\ & = -\frac {3 (b \cos (c+d x))^{2/3} \operatorname {Hypergeometric2F1}\left (\frac {1}{3},\frac {1}{2},\frac {4}{3},\cos ^2(c+d x)\right ) \sin (c+d x)}{2 d \sqrt {\sin ^2(c+d x)}} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 56, normalized size of antiderivative = 1.02 \[ \int (b \cos (c+d x))^{2/3} \sec (c+d x) \, dx=-\frac {3 b \cot (c+d x) \operatorname {Hypergeometric2F1}\left (\frac {1}{3},\frac {1}{2},\frac {4}{3},\cos ^2(c+d x)\right ) \sqrt {\sin ^2(c+d x)}}{2 d \sqrt [3]{b \cos (c+d x)}} \]
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\[\int \left (\cos \left (d x +c \right ) b \right )^{\frac {2}{3}} \sec \left (d x +c \right )d x\]
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\[ \int (b \cos (c+d x))^{2/3} \sec (c+d x) \, dx=\int { \left (b \cos \left (d x + c\right )\right )^{\frac {2}{3}} \sec \left (d x + c\right ) \,d x } \]
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\[ \int (b \cos (c+d x))^{2/3} \sec (c+d x) \, dx=\int \left (b \cos {\left (c + d x \right )}\right )^{\frac {2}{3}} \sec {\left (c + d x \right )}\, dx \]
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\[ \int (b \cos (c+d x))^{2/3} \sec (c+d x) \, dx=\int { \left (b \cos \left (d x + c\right )\right )^{\frac {2}{3}} \sec \left (d x + c\right ) \,d x } \]
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\[ \int (b \cos (c+d x))^{2/3} \sec (c+d x) \, dx=\int { \left (b \cos \left (d x + c\right )\right )^{\frac {2}{3}} \sec \left (d x + c\right ) \,d x } \]
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Timed out. \[ \int (b \cos (c+d x))^{2/3} \sec (c+d x) \, dx=\int \frac {{\left (b\,\cos \left (c+d\,x\right )\right )}^{2/3}}{\cos \left (c+d\,x\right )} \,d x \]
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