Optimal. Leaf size=82 \[ -\frac{1}{8 d \left (a^3 \sin (c+d x)+a^3\right )}+\frac{\tanh ^{-1}(\sin (c+d x))}{8 a^3 d}-\frac{1}{8 a d (a \sin (c+d x)+a)^2}+\frac{1}{6 d (a \sin (c+d x)+a)^3} \]
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Rubi [A] time = 0.0571133, antiderivative size = 82, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.158, Rules used = {2707, 77, 206} \[ -\frac{1}{8 d \left (a^3 \sin (c+d x)+a^3\right )}+\frac{\tanh ^{-1}(\sin (c+d x))}{8 a^3 d}-\frac{1}{8 a d (a \sin (c+d x)+a)^2}+\frac{1}{6 d (a \sin (c+d x)+a)^3} \]
Antiderivative was successfully verified.
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Rule 2707
Rule 77
Rule 206
Rubi steps
\begin{align*} \int \frac{\tan (c+d x)}{(a+a \sin (c+d x))^3} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{x}{(a-x) (a+x)^4} \, dx,x,a \sin (c+d x)\right )}{d}\\ &=\frac{\operatorname{Subst}\left (\int \left (-\frac{1}{2 (a+x)^4}+\frac{1}{4 a (a+x)^3}+\frac{1}{8 a^2 (a+x)^2}+\frac{1}{8 a^2 \left (a^2-x^2\right )}\right ) \, dx,x,a \sin (c+d x)\right )}{d}\\ &=\frac{1}{6 d (a+a \sin (c+d x))^3}-\frac{1}{8 a d (a+a \sin (c+d x))^2}-\frac{1}{8 d \left (a^3+a^3 \sin (c+d x)\right )}+\frac{\operatorname{Subst}\left (\int \frac{1}{a^2-x^2} \, dx,x,a \sin (c+d x)\right )}{8 a^2 d}\\ &=\frac{\tanh ^{-1}(\sin (c+d x))}{8 a^3 d}+\frac{1}{6 d (a+a \sin (c+d x))^3}-\frac{1}{8 a d (a+a \sin (c+d x))^2}-\frac{1}{8 d \left (a^3+a^3 \sin (c+d x)\right )}\\ \end{align*}
Mathematica [A] time = 0.145046, size = 52, normalized size = 0.63 \[ \frac{3 \tanh ^{-1}(\sin (c+d x))-\frac{3 \sin ^2(c+d x)+9 \sin (c+d x)+2}{(\sin (c+d x)+1)^3}}{24 a^3 d} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.095, size = 90, normalized size = 1.1 \begin{align*} -{\frac{\ln \left ( \sin \left ( dx+c \right ) -1 \right ) }{16\,d{a}^{3}}}+{\frac{1}{6\,d{a}^{3} \left ( 1+\sin \left ( dx+c \right ) \right ) ^{3}}}-{\frac{1}{8\,d{a}^{3} \left ( 1+\sin \left ( dx+c \right ) \right ) ^{2}}}-{\frac{1}{8\,d{a}^{3} \left ( 1+\sin \left ( dx+c \right ) \right ) }}+{\frac{\ln \left ( 1+\sin \left ( dx+c \right ) \right ) }{16\,d{a}^{3}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 2.14301, size = 132, normalized size = 1.61 \begin{align*} -\frac{\frac{2 \,{\left (3 \, \sin \left (d x + c\right )^{2} + 9 \, \sin \left (d x + c\right ) + 2\right )}}{a^{3} \sin \left (d x + c\right )^{3} + 3 \, a^{3} \sin \left (d x + c\right )^{2} + 3 \, a^{3} \sin \left (d x + c\right ) + a^{3}} - \frac{3 \, \log \left (\sin \left (d x + c\right ) + 1\right )}{a^{3}} + \frac{3 \, \log \left (\sin \left (d x + c\right ) - 1\right )}{a^{3}}}{48 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.55306, size = 409, normalized size = 4.99 \begin{align*} -\frac{6 \, \cos \left (d x + c\right )^{2} - 3 \,{\left (3 \, \cos \left (d x + c\right )^{2} +{\left (\cos \left (d x + c\right )^{2} - 4\right )} \sin \left (d x + c\right ) - 4\right )} \log \left (\sin \left (d x + c\right ) + 1\right ) + 3 \,{\left (3 \, \cos \left (d x + c\right )^{2} +{\left (\cos \left (d x + c\right )^{2} - 4\right )} \sin \left (d x + c\right ) - 4\right )} \log \left (-\sin \left (d x + c\right ) + 1\right ) - 18 \, \sin \left (d x + c\right ) - 10}{48 \,{\left (3 \, a^{3} d \cos \left (d x + c\right )^{2} - 4 \, a^{3} d +{\left (a^{3} d \cos \left (d x + c\right )^{2} - 4 \, a^{3} d\right )} \sin \left (d x + c\right )\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \frac{\int \frac{\tan{\left (c + d x \right )}}{\sin ^{3}{\left (c + d x \right )} + 3 \sin ^{2}{\left (c + d x \right )} + 3 \sin{\left (c + d x \right )} + 1}\, dx}{a^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 2.18984, size = 109, normalized size = 1.33 \begin{align*} \frac{\frac{6 \, \log \left ({\left | \sin \left (d x + c\right ) + 1 \right |}\right )}{a^{3}} - \frac{6 \, \log \left ({\left | \sin \left (d x + c\right ) - 1 \right |}\right )}{a^{3}} - \frac{11 \, \sin \left (d x + c\right )^{3} + 45 \, \sin \left (d x + c\right )^{2} + 69 \, \sin \left (d x + c\right ) + 19}{a^{3}{\left (\sin \left (d x + c\right ) + 1\right )}^{3}}}{96 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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