Optimal. Leaf size=84 \[ -\frac{\left (a^2-b^2\right ) \log (\sin (c+d x))}{a^3 d}+\frac{\left (a^2-b^2\right ) \log (a+b \sin (c+d x))}{a^3 d}+\frac{b \csc (c+d x)}{a^2 d}-\frac{\csc ^2(c+d x)}{2 a d} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.0918886, antiderivative size = 84, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.095, Rules used = {2721, 894} \[ -\frac{\left (a^2-b^2\right ) \log (\sin (c+d x))}{a^3 d}+\frac{\left (a^2-b^2\right ) \log (a+b \sin (c+d x))}{a^3 d}+\frac{b \csc (c+d x)}{a^2 d}-\frac{\csc ^2(c+d x)}{2 a d} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 2721
Rule 894
Rubi steps
\begin{align*} \int \frac{\cot ^3(c+d x)}{a+b \sin (c+d x)} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{b^2-x^2}{x^3 (a+x)} \, dx,x,b \sin (c+d x)\right )}{d}\\ &=\frac{\operatorname{Subst}\left (\int \left (\frac{b^2}{a x^3}-\frac{b^2}{a^2 x^2}+\frac{-a^2+b^2}{a^3 x}+\frac{a^2-b^2}{a^3 (a+x)}\right ) \, dx,x,b \sin (c+d x)\right )}{d}\\ &=\frac{b \csc (c+d x)}{a^2 d}-\frac{\csc ^2(c+d x)}{2 a d}-\frac{\left (a^2-b^2\right ) \log (\sin (c+d x))}{a^3 d}+\frac{\left (a^2-b^2\right ) \log (a+b \sin (c+d x))}{a^3 d}\\ \end{align*}
Mathematica [A] time = 0.155569, size = 65, normalized size = 0.77 \[ -\frac{2 \left (a^2-b^2\right ) (\log (\sin (c+d x))-\log (a+b \sin (c+d x)))+a^2 \csc ^2(c+d x)-2 a b \csc (c+d x)}{2 a^3 d} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A] time = 0.088, size = 106, normalized size = 1.3 \begin{align*}{\frac{\ln \left ( a+b\sin \left ( dx+c \right ) \right ) }{da}}-{\frac{{b}^{2}\ln \left ( a+b\sin \left ( dx+c \right ) \right ) }{{a}^{3}d}}-{\frac{1}{2\,da \left ( \sin \left ( dx+c \right ) \right ) ^{2}}}-{\frac{\ln \left ( \sin \left ( dx+c \right ) \right ) }{da}}+{\frac{{b}^{2}\ln \left ( \sin \left ( dx+c \right ) \right ) }{{a}^{3}d}}+{\frac{b}{d{a}^{2}\sin \left ( dx+c \right ) }} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A] time = 0.982888, size = 104, normalized size = 1.24 \begin{align*} \frac{\frac{2 \,{\left (a^{2} - b^{2}\right )} \log \left (b \sin \left (d x + c\right ) + a\right )}{a^{3}} - \frac{2 \,{\left (a^{2} - b^{2}\right )} \log \left (\sin \left (d x + c\right )\right )}{a^{3}} + \frac{2 \, b \sin \left (d x + c\right ) - a}{a^{2} \sin \left (d x + c\right )^{2}}}{2 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 1.64487, size = 271, normalized size = 3.23 \begin{align*} -\frac{2 \, a b \sin \left (d x + c\right ) - a^{2} - 2 \,{\left ({\left (a^{2} - b^{2}\right )} \cos \left (d x + c\right )^{2} - a^{2} + b^{2}\right )} \log \left (b \sin \left (d x + c\right ) + a\right ) + 2 \,{\left ({\left (a^{2} - b^{2}\right )} \cos \left (d x + c\right )^{2} - a^{2} + b^{2}\right )} \log \left (-\frac{1}{2} \, \sin \left (d x + c\right )\right )}{2 \,{\left (a^{3} d \cos \left (d x + c\right )^{2} - a^{3} d\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
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.
[In]
[Out]
________________________________________________________________________________________
Giac [A] time = 1.20627, size = 119, normalized size = 1.42 \begin{align*} -\frac{\frac{2 \,{\left (a^{2} - b^{2}\right )} \log \left ({\left | \sin \left (d x + c\right ) \right |}\right )}{a^{3}} - \frac{2 \,{\left (a^{2} b - b^{3}\right )} \log \left ({\left | b \sin \left (d x + c\right ) + a \right |}\right )}{a^{3} b} - \frac{2 \, a b \sin \left (d x + c\right ) - a^{2}}{a^{3} \sin \left (d x + c\right )^{2}}}{2 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]