Integrand size = 8, antiderivative size = 45 \[ \int \cot ^6(a+b x) \, dx=-x-\frac {\cot (a+b x)}{b}+\frac {\cot ^3(a+b x)}{3 b}-\frac {\cot ^5(a+b x)}{5 b} \]
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Time = 0.03 (sec) , antiderivative size = 45, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {3554, 8} \[ \int \cot ^6(a+b x) \, dx=-\frac {\cot ^5(a+b x)}{5 b}+\frac {\cot ^3(a+b x)}{3 b}-\frac {\cot (a+b x)}{b}-x \]
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Rule 8
Rule 3554
Rubi steps \begin{align*} \text {integral}& = -\frac {\cot ^5(a+b x)}{5 b}-\int \cot ^4(a+b x) \, dx \\ & = \frac {\cot ^3(a+b x)}{3 b}-\frac {\cot ^5(a+b x)}{5 b}+\int \cot ^2(a+b x) \, dx \\ & = -\frac {\cot (a+b x)}{b}+\frac {\cot ^3(a+b x)}{3 b}-\frac {\cot ^5(a+b x)}{5 b}-\int 1 \, dx \\ & = -x-\frac {\cot (a+b x)}{b}+\frac {\cot ^3(a+b x)}{3 b}-\frac {\cot ^5(a+b x)}{5 b} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 0.02 (sec) , antiderivative size = 33, normalized size of antiderivative = 0.73 \[ \int \cot ^6(a+b x) \, dx=-\frac {\cot ^5(a+b x) \operatorname {Hypergeometric2F1}\left (-\frac {5}{2},1,-\frac {3}{2},-\tan ^2(a+b x)\right )}{5 b} \]
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Time = 0.04 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.87
method | result | size |
parallelrisch | \(\frac {-3 \cot \left (b x +a \right )^{5}+5 \cot \left (b x +a \right )^{3}-15 b x -15 \cot \left (b x +a \right )}{15 b}\) | \(39\) |
derivativedivides | \(\frac {-\frac {\cot \left (b x +a \right )^{5}}{5}+\frac {\cot \left (b x +a \right )^{3}}{3}-\cot \left (b x +a \right )+\frac {\pi }{2}-\operatorname {arccot}\left (\cot \left (b x +a \right )\right )}{b}\) | \(46\) |
default | \(\frac {-\frac {\cot \left (b x +a \right )^{5}}{5}+\frac {\cot \left (b x +a \right )^{3}}{3}-\cot \left (b x +a \right )+\frac {\pi }{2}-\operatorname {arccot}\left (\cot \left (b x +a \right )\right )}{b}\) | \(46\) |
norman | \(\frac {-\frac {1}{5 b}+\frac {\tan \left (b x +a \right )^{2}}{3 b}-\frac {\tan \left (b x +a \right )^{4}}{b}-x \tan \left (b x +a \right )^{5}}{\tan \left (b x +a \right )^{5}}\) | \(53\) |
risch | \(-x -\frac {2 i \left (45 \,{\mathrm e}^{8 i \left (b x +a \right )}-90 \,{\mathrm e}^{6 i \left (b x +a \right )}+140 \,{\mathrm e}^{4 i \left (b x +a \right )}-70 \,{\mathrm e}^{2 i \left (b x +a \right )}+23\right )}{15 b \left ({\mathrm e}^{2 i \left (b x +a \right )}-1\right )^{5}}\) | \(70\) |
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Leaf count of result is larger than twice the leaf count of optimal. 123 vs. \(2 (41) = 82\).
Time = 0.27 (sec) , antiderivative size = 123, normalized size of antiderivative = 2.73 \[ \int \cot ^6(a+b x) \, dx=-\frac {23 \, \cos \left (2 \, b x + 2 \, a\right )^{3} - \cos \left (2 \, b x + 2 \, a\right )^{2} + 15 \, {\left (b x \cos \left (2 \, b x + 2 \, a\right )^{2} - 2 \, b x \cos \left (2 \, b x + 2 \, a\right ) + b x\right )} \sin \left (2 \, b x + 2 \, a\right ) - 11 \, \cos \left (2 \, b x + 2 \, a\right ) + 13}{15 \, {\left (b \cos \left (2 \, b x + 2 \, a\right )^{2} - 2 \, b \cos \left (2 \, b x + 2 \, a\right ) + b\right )} \sin \left (2 \, b x + 2 \, a\right )} \]
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Time = 0.12 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.87 \[ \int \cot ^6(a+b x) \, dx=\begin {cases} - x - \frac {\cot ^{5}{\left (a + b x \right )}}{5 b} + \frac {\cot ^{3}{\left (a + b x \right )}}{3 b} - \frac {\cot {\left (a + b x \right )}}{b} & \text {for}\: b \neq 0 \\x \cot ^{6}{\left (a \right )} & \text {otherwise} \end {cases} \]
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none
Time = 0.34 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.98 \[ \int \cot ^6(a+b x) \, dx=-\frac {15 \, b x + 15 \, a + \frac {15 \, \tan \left (b x + a\right )^{4} - 5 \, \tan \left (b x + a\right )^{2} + 3}{\tan \left (b x + a\right )^{5}}}{15 \, b} \]
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Leaf count of result is larger than twice the leaf count of optimal. 91 vs. \(2 (41) = 82\).
Time = 0.27 (sec) , antiderivative size = 91, normalized size of antiderivative = 2.02 \[ \int \cot ^6(a+b x) \, dx=\frac {3 \, \tan \left (\frac {1}{2} \, b x + \frac {1}{2} \, a\right )^{5} - 35 \, \tan \left (\frac {1}{2} \, b x + \frac {1}{2} \, a\right )^{3} - 480 \, b x - 480 \, a - \frac {330 \, \tan \left (\frac {1}{2} \, b x + \frac {1}{2} \, a\right )^{4} - 35 \, \tan \left (\frac {1}{2} \, b x + \frac {1}{2} \, a\right )^{2} + 3}{\tan \left (\frac {1}{2} \, b x + \frac {1}{2} \, a\right )^{5}} + 330 \, \tan \left (\frac {1}{2} \, b x + \frac {1}{2} \, a\right )}{480 \, b} \]
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Time = 0.09 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.80 \[ \int \cot ^6(a+b x) \, dx=-x-\frac {\frac {{\mathrm {cot}\left (a+b\,x\right )}^5}{5}-\frac {{\mathrm {cot}\left (a+b\,x\right )}^3}{3}+\mathrm {cot}\left (a+b\,x\right )}{b} \]
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