Integrand size = 19, antiderivative size = 29 \[ \int \cot ^2(c+d x) (a+b \tan (c+d x)) \, dx=-a x-\frac {a \cot (c+d x)}{d}+\frac {b \log (\sin (c+d x))}{d} \]
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Time = 0.06 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.158, Rules used = {3610, 3612, 3556} \[ \int \cot ^2(c+d x) (a+b \tan (c+d x)) \, dx=-\frac {a \cot (c+d x)}{d}-a x+\frac {b \log (\sin (c+d x))}{d} \]
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Rule 3556
Rule 3610
Rule 3612
Rubi steps \begin{align*} \text {integral}& = -\frac {a \cot (c+d x)}{d}+\int \cot (c+d x) (b-a \tan (c+d x)) \, dx \\ & = -a x-\frac {a \cot (c+d x)}{d}+b \int \cot (c+d x) \, dx \\ & = -a x-\frac {a \cot (c+d x)}{d}+\frac {b \log (\sin (c+d x))}{d} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 0.03 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.90 \[ \int \cot ^2(c+d x) (a+b \tan (c+d x)) \, dx=-\frac {a \cot (c+d x) \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},1,\frac {1}{2},-\tan ^2(c+d x)\right )}{d}+\frac {b \log (\cos (c+d x))}{d}+\frac {b \log (\tan (c+d x))}{d} \]
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Time = 0.44 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.45
method | result | size |
parallelrisch | \(\frac {-b \ln \left (\sec ^{2}\left (d x +c \right )\right )+2 b \ln \left (\tan \left (d x +c \right )\right )-2 a \left (d x +\cot \left (d x +c \right )\right )}{2 d}\) | \(42\) |
derivativedivides | \(\frac {-\frac {b \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2}-a \arctan \left (\tan \left (d x +c \right )\right )-\frac {a}{\tan \left (d x +c \right )}+b \ln \left (\tan \left (d x +c \right )\right )}{d}\) | \(50\) |
default | \(\frac {-\frac {b \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2}-a \arctan \left (\tan \left (d x +c \right )\right )-\frac {a}{\tan \left (d x +c \right )}+b \ln \left (\tan \left (d x +c \right )\right )}{d}\) | \(50\) |
risch | \(-i b x -a x -\frac {2 i b c}{d}-\frac {2 i a}{d \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )}+\frac {b \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )}{d}\) | \(56\) |
norman | \(\frac {-\frac {a}{d}-a x \tan \left (d x +c \right )}{\tan \left (d x +c \right )}+\frac {b \ln \left (\tan \left (d x +c \right )\right )}{d}-\frac {b \ln \left (1+\tan ^{2}\left (d x +c \right )\right )}{2 d}\) | \(57\) |
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Leaf count of result is larger than twice the leaf count of optimal. 59 vs. \(2 (29) = 58\).
Time = 0.25 (sec) , antiderivative size = 59, normalized size of antiderivative = 2.03 \[ \int \cot ^2(c+d x) (a+b \tan (c+d x)) \, dx=-\frac {2 \, a d x \tan \left (d x + c\right ) - b \log \left (\frac {\tan \left (d x + c\right )^{2}}{\tan \left (d x + c\right )^{2} + 1}\right ) \tan \left (d x + c\right ) + 2 \, a}{2 \, d \tan \left (d x + c\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 66 vs. \(2 (24) = 48\).
Time = 0.22 (sec) , antiderivative size = 66, normalized size of antiderivative = 2.28 \[ \int \cot ^2(c+d x) (a+b \tan (c+d x)) \, dx=\begin {cases} \tilde {\infty } a x & \text {for}\: c = 0 \wedge d = 0 \\x \left (a + b \tan {\left (c \right )}\right ) \cot ^{2}{\left (c \right )} & \text {for}\: d = 0 \\\tilde {\infty } a x & \text {for}\: c = - d x \\- a x - \frac {a}{d \tan {\left (c + d x \right )}} - \frac {b \log {\left (\tan ^{2}{\left (c + d x \right )} + 1 \right )}}{2 d} + \frac {b \log {\left (\tan {\left (c + d x \right )} \right )}}{d} & \text {otherwise} \end {cases} \]
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none
Time = 0.32 (sec) , antiderivative size = 48, normalized size of antiderivative = 1.66 \[ \int \cot ^2(c+d x) (a+b \tan (c+d x)) \, dx=-\frac {2 \, {\left (d x + c\right )} a + b \log \left (\tan \left (d x + c\right )^{2} + 1\right ) - 2 \, b \log \left (\tan \left (d x + c\right )\right ) + \frac {2 \, a}{\tan \left (d x + c\right )}}{2 \, d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 83 vs. \(2 (29) = 58\).
Time = 0.41 (sec) , antiderivative size = 83, normalized size of antiderivative = 2.86 \[ \int \cot ^2(c+d x) (a+b \tan (c+d x)) \, dx=-\frac {2 \, {\left (d x + c\right )} a + 2 \, b \log \left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 1\right ) - 2 \, b \log \left ({\left | \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) \right |}\right ) - a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + \frac {2 \, b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + a}{\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )}}{2 \, d} \]
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Time = 4.70 (sec) , antiderivative size = 70, normalized size of antiderivative = 2.41 \[ \int \cot ^2(c+d x) (a+b \tan (c+d x)) \, dx=\frac {\ln \left (\mathrm {tan}\left (c+d\,x\right )-\mathrm {i}\right )\,\left (-\frac {b}{2}+\frac {a\,1{}\mathrm {i}}{2}\right )}{d}-\frac {\ln \left (\mathrm {tan}\left (c+d\,x\right )+1{}\mathrm {i}\right )\,\left (\frac {b}{2}+\frac {a\,1{}\mathrm {i}}{2}\right )}{d}+\frac {b\,\ln \left (\mathrm {tan}\left (c+d\,x\right )\right )}{d}-\frac {a\,\mathrm {cot}\left (c+d\,x\right )}{d} \]
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