Integrand size = 8, antiderivative size = 12 \[ \int \frac {1}{1-\cos (x)} \, dx=-\frac {\sin (x)}{1-\cos (x)} \]
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Time = 0.01 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {2727} \[ \int \frac {1}{1-\cos (x)} \, dx=-\frac {\sin (x)}{1-\cos (x)} \]
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Rule 2727
Rubi steps \begin{align*} \text {integral}& = -\frac {\sin (x)}{1-\cos (x)} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.67 \[ \int \frac {1}{1-\cos (x)} \, dx=-\cot \left (\frac {x}{2}\right ) \]
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Time = 0.07 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.75
method | result | size |
default | \(-\frac {1}{\tan \left (\frac {x}{2}\right )}\) | \(9\) |
norman | \(-\frac {1}{\tan \left (\frac {x}{2}\right )}\) | \(9\) |
parallelrisch | \(-\frac {1}{\tan \left (\frac {x}{2}\right )}\) | \(9\) |
risch | \(-\frac {2 i}{{\mathrm e}^{i x}-1}\) | \(13\) |
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none
Time = 0.24 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.83 \[ \int \frac {1}{1-\cos (x)} \, dx=-\frac {\cos \left (x\right ) + 1}{\sin \left (x\right )} \]
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Time = 0.18 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.58 \[ \int \frac {1}{1-\cos (x)} \, dx=- \frac {1}{\tan {\left (\frac {x}{2} \right )}} \]
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none
Time = 0.18 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.83 \[ \int \frac {1}{1-\cos (x)} \, dx=-\frac {\cos \left (x\right ) + 1}{\sin \left (x\right )} \]
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none
Time = 0.29 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.67 \[ \int \frac {1}{1-\cos (x)} \, dx=-\frac {1}{\tan \left (\frac {1}{2} \, x\right )} \]
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Time = 0.16 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.50 \[ \int \frac {1}{1-\cos (x)} \, dx=-\mathrm {cot}\left (\frac {x}{2}\right ) \]
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