Optimal. Leaf size=155 \[ \frac{3 \sin ^{\frac{4}{3}}(a+b x)}{4 b \cos ^{\frac{4}{3}}(a+b x)}+\frac{\log \left (\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}+1\right )}{2 b}-\frac{\log \left (\frac{\sin ^{\frac{4}{3}}(a+b x)}{\cos ^{\frac{4}{3}}(a+b x)}-\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}+1\right )}{4 b}+\frac{\sqrt{3} \tan ^{-1}\left (\frac{1-\frac{2 \sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}}{\sqrt{3}}\right )}{2 b} \]
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Rubi [A] time = 0.110121, antiderivative size = 155, normalized size of antiderivative = 1., number of steps used = 9, number of rules used = 9, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.429, Rules used = {2566, 2574, 275, 292, 31, 634, 618, 204, 628} \[ \frac{3 \sin ^{\frac{4}{3}}(a+b x)}{4 b \cos ^{\frac{4}{3}}(a+b x)}+\frac{\log \left (\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}+1\right )}{2 b}-\frac{\log \left (\frac{\sin ^{\frac{4}{3}}(a+b x)}{\cos ^{\frac{4}{3}}(a+b x)}-\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}+1\right )}{4 b}+\frac{\sqrt{3} \tan ^{-1}\left (\frac{1-\frac{2 \sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}}{\sqrt{3}}\right )}{2 b} \]
Antiderivative was successfully verified.
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Rule 2566
Rule 2574
Rule 275
Rule 292
Rule 31
Rule 634
Rule 618
Rule 204
Rule 628
Rubi steps
\begin{align*} \int \frac{\sin ^{\frac{7}{3}}(a+b x)}{\cos ^{\frac{7}{3}}(a+b x)} \, dx &=\frac{3 \sin ^{\frac{4}{3}}(a+b x)}{4 b \cos ^{\frac{4}{3}}(a+b x)}-\int \frac{\sqrt [3]{\sin (a+b x)}}{\sqrt [3]{\cos (a+b x)}} \, dx\\ &=\frac{3 \sin ^{\frac{4}{3}}(a+b x)}{4 b \cos ^{\frac{4}{3}}(a+b x)}-\frac{3 \operatorname{Subst}\left (\int \frac{x^3}{1+x^6} \, dx,x,\frac{\sqrt [3]{\sin (a+b x)}}{\sqrt [3]{\cos (a+b x)}}\right )}{b}\\ &=\frac{3 \sin ^{\frac{4}{3}}(a+b x)}{4 b \cos ^{\frac{4}{3}}(a+b x)}-\frac{3 \operatorname{Subst}\left (\int \frac{x}{1+x^3} \, dx,x,\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}\right )}{2 b}\\ &=\frac{3 \sin ^{\frac{4}{3}}(a+b x)}{4 b \cos ^{\frac{4}{3}}(a+b x)}+\frac{\operatorname{Subst}\left (\int \frac{1}{1+x} \, dx,x,\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}\right )}{2 b}-\frac{\operatorname{Subst}\left (\int \frac{1+x}{1-x+x^2} \, dx,x,\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}\right )}{2 b}\\ &=\frac{\log \left (1+\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}\right )}{2 b}+\frac{3 \sin ^{\frac{4}{3}}(a+b x)}{4 b \cos ^{\frac{4}{3}}(a+b x)}-\frac{\operatorname{Subst}\left (\int \frac{-1+2 x}{1-x+x^2} \, dx,x,\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}\right )}{4 b}-\frac{3 \operatorname{Subst}\left (\int \frac{1}{1-x+x^2} \, dx,x,\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}\right )}{4 b}\\ &=\frac{\log \left (1+\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}\right )}{2 b}-\frac{\log \left (1-\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}+\frac{\sin ^{\frac{4}{3}}(a+b x)}{\cos ^{\frac{4}{3}}(a+b x)}\right )}{4 b}+\frac{3 \sin ^{\frac{4}{3}}(a+b x)}{4 b \cos ^{\frac{4}{3}}(a+b x)}+\frac{3 \operatorname{Subst}\left (\int \frac{1}{-3-x^2} \, dx,x,-1+\frac{2 \sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}\right )}{2 b}\\ &=\frac{\sqrt{3} \tan ^{-1}\left (\frac{1-\frac{2 \sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}}{\sqrt{3}}\right )}{2 b}+\frac{\log \left (1+\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}\right )}{2 b}-\frac{\log \left (1-\frac{\sin ^{\frac{2}{3}}(a+b x)}{\cos ^{\frac{2}{3}}(a+b x)}+\frac{\sin ^{\frac{4}{3}}(a+b x)}{\cos ^{\frac{4}{3}}(a+b x)}\right )}{4 b}+\frac{3 \sin ^{\frac{4}{3}}(a+b x)}{4 b \cos ^{\frac{4}{3}}(a+b x)}\\ \end{align*}
Mathematica [C] time = 0.0525653, size = 57, normalized size = 0.37 \[ \frac{3 \sin ^{\frac{10}{3}}(a+b x) \cos ^2(a+b x)^{2/3} \, _2F_1\left (\frac{5}{3},\frac{5}{3};\frac{8}{3};\sin ^2(a+b x)\right )}{10 b \cos ^{\frac{4}{3}}(a+b x)} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.051, size = 0, normalized size = 0. \begin{align*} \int{ \left ( \sin \left ( bx+a \right ) \right ) ^{{\frac{7}{3}}} \left ( \cos \left ( bx+a \right ) \right ) ^{-{\frac{7}{3}}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sin \left (b x + a\right )^{\frac{7}{3}}}{\cos \left (b x + a\right )^{\frac{7}{3}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.91365, size = 566, normalized size = 3.65 \begin{align*} -\frac{2 \, \sqrt{3} \arctan \left (-\frac{\sqrt{3} \cos \left (b x + a\right ) - 2 \, \sqrt{3} \cos \left (b x + a\right )^{\frac{1}{3}} \sin \left (b x + a\right )^{\frac{2}{3}}}{3 \, \cos \left (b x + a\right )}\right ) \cos \left (b x + a\right )^{2} - 2 \, \cos \left (b x + a\right )^{2} \log \left (\frac{\cos \left (b x + a\right )^{\frac{1}{3}} \sin \left (b x + a\right )^{\frac{2}{3}} + \cos \left (b x + a\right )}{\cos \left (b x + a\right )}\right ) + \cos \left (b x + a\right )^{2} \log \left (\frac{\cos \left (b x + a\right )^{2} - \cos \left (b x + a\right )^{\frac{4}{3}} \sin \left (b x + a\right )^{\frac{2}{3}} + \cos \left (b x + a\right )^{\frac{2}{3}} \sin \left (b x + a\right )^{\frac{4}{3}}}{\cos \left (b x + a\right )^{2}}\right ) - 3 \, \cos \left (b x + a\right )^{\frac{2}{3}} \sin \left (b x + a\right )^{\frac{4}{3}}}{4 \, b \cos \left (b x + a\right )^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sin \left (b x + a\right )^{\frac{7}{3}}}{\cos \left (b x + a\right )^{\frac{7}{3}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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