Optimal. Leaf size=82 \[ -\frac{a \cot ^3(c+d x)}{3 d}+\frac{a \cot (c+d x)}{d}+a x-\frac{3 b \cos (c+d x)}{2 d}-\frac{b \cos (c+d x) \cot ^2(c+d x)}{2 d}+\frac{3 b \tanh ^{-1}(\cos (c+d x))}{2 d} \]
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Rubi [A] time = 0.0798351, antiderivative size = 82, normalized size of antiderivative = 1., number of steps used = 9, number of rules used = 7, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.368, Rules used = {2722, 2592, 288, 321, 206, 3473, 8} \[ -\frac{a \cot ^3(c+d x)}{3 d}+\frac{a \cot (c+d x)}{d}+a x-\frac{3 b \cos (c+d x)}{2 d}-\frac{b \cos (c+d x) \cot ^2(c+d x)}{2 d}+\frac{3 b \tanh ^{-1}(\cos (c+d x))}{2 d} \]
Antiderivative was successfully verified.
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Rule 2722
Rule 2592
Rule 288
Rule 321
Rule 206
Rule 3473
Rule 8
Rubi steps
\begin{align*} \int \cot ^4(c+d x) (a+b \sin (c+d x)) \, dx &=\int \left (b \cos (c+d x) \cot ^3(c+d x)+a \cot ^4(c+d x)\right ) \, dx\\ &=a \int \cot ^4(c+d x) \, dx+b \int \cos (c+d x) \cot ^3(c+d x) \, dx\\ &=-\frac{a \cot ^3(c+d x)}{3 d}-a \int \cot ^2(c+d x) \, dx-\frac{b \operatorname{Subst}\left (\int \frac{x^4}{\left (1-x^2\right )^2} \, dx,x,\cos (c+d x)\right )}{d}\\ &=\frac{a \cot (c+d x)}{d}-\frac{b \cos (c+d x) \cot ^2(c+d x)}{2 d}-\frac{a \cot ^3(c+d x)}{3 d}+a \int 1 \, dx+\frac{(3 b) \operatorname{Subst}\left (\int \frac{x^2}{1-x^2} \, dx,x,\cos (c+d x)\right )}{2 d}\\ &=a x-\frac{3 b \cos (c+d x)}{2 d}+\frac{a \cot (c+d x)}{d}-\frac{b \cos (c+d x) \cot ^2(c+d x)}{2 d}-\frac{a \cot ^3(c+d x)}{3 d}+\frac{(3 b) \operatorname{Subst}\left (\int \frac{1}{1-x^2} \, dx,x,\cos (c+d x)\right )}{2 d}\\ &=a x+\frac{3 b \tanh ^{-1}(\cos (c+d x))}{2 d}-\frac{3 b \cos (c+d x)}{2 d}+\frac{a \cot (c+d x)}{d}-\frac{b \cos (c+d x) \cot ^2(c+d x)}{2 d}-\frac{a \cot ^3(c+d x)}{3 d}\\ \end{align*}
Mathematica [C] time = 0.0419753, size = 125, normalized size = 1.52 \[ -\frac{a \cot ^3(c+d x) \, _2F_1\left (-\frac{3}{2},1;-\frac{1}{2};-\tan ^2(c+d x)\right )}{3 d}-\frac{b \cos (c+d x)}{d}-\frac{b \csc ^2\left (\frac{1}{2} (c+d x)\right )}{8 d}+\frac{b \sec ^2\left (\frac{1}{2} (c+d x)\right )}{8 d}-\frac{3 b \log \left (\sin \left (\frac{1}{2} (c+d x)\right )\right )}{2 d}+\frac{3 b \log \left (\cos \left (\frac{1}{2} (c+d x)\right )\right )}{2 d} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.036, size = 106, normalized size = 1.3 \begin{align*} -{\frac{a \left ( \cot \left ( dx+c \right ) \right ) ^{3}}{3\,d}}+{\frac{a\cot \left ( dx+c \right ) }{d}}+ax+{\frac{ca}{d}}-{\frac{b \left ( \cos \left ( dx+c \right ) \right ) ^{5}}{2\,d \left ( \sin \left ( dx+c \right ) \right ) ^{2}}}-{\frac{b \left ( \cos \left ( dx+c \right ) \right ) ^{3}}{2\,d}}-{\frac{3\,b\cos \left ( dx+c \right ) }{2\,d}}-{\frac{3\,b\ln \left ( \csc \left ( dx+c \right ) -\cot \left ( dx+c \right ) \right ) }{2\,d}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.87341, size = 124, normalized size = 1.51 \begin{align*} \frac{4 \,{\left (3 \, d x + 3 \, c + \frac{3 \, \tan \left (d x + c\right )^{2} - 1}{\tan \left (d x + c\right )^{3}}\right )} a + 3 \, b{\left (\frac{2 \, \cos \left (d x + c\right )}{\cos \left (d x + c\right )^{2} - 1} - 4 \, \cos \left (d x + c\right ) + 3 \, \log \left (\cos \left (d x + c\right ) + 1\right ) - 3 \, \log \left (\cos \left (d x + c\right ) - 1\right )\right )}}{12 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.86448, size = 425, normalized size = 5.18 \begin{align*} \frac{16 \, a \cos \left (d x + c\right )^{3} + 9 \,{\left (b \cos \left (d x + c\right )^{2} - b\right )} \log \left (\frac{1}{2} \, \cos \left (d x + c\right ) + \frac{1}{2}\right ) \sin \left (d x + c\right ) - 9 \,{\left (b \cos \left (d x + c\right )^{2} - b\right )} \log \left (-\frac{1}{2} \, \cos \left (d x + c\right ) + \frac{1}{2}\right ) \sin \left (d x + c\right ) - 12 \, a \cos \left (d x + c\right ) + 6 \,{\left (2 \, a d x \cos \left (d x + c\right )^{2} - 2 \, b \cos \left (d x + c\right )^{3} - 2 \, a d x + 3 \, b \cos \left (d x + c\right )\right )} \sin \left (d x + c\right )}{12 \,{\left (d \cos \left (d x + c\right )^{2} - d\right )} \sin \left (d x + c\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*} \int \left (a + b \sin{\left (c + d x \right )}\right ) \cot ^{4}{\left (c + d x \right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 2.17653, size = 190, normalized size = 2.32 \begin{align*} \frac{a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} + 3 \, b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + 24 \,{\left (d x + c\right )} a - 36 \, b \log \left ({\left | \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) \right |}\right ) - 15 \, a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - \frac{48 \, b}{\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + 1} + \frac{66 \, b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} + 15 \, a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - 3 \, b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - a}{\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3}}}{24 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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