Integrand size = 12, antiderivative size = 15 \[ \int -\sec \left (\frac {\pi }{4}+2 x\right ) \, dx=-\frac {1}{2} \text {arctanh}\left (\sin \left (\frac {\pi }{4}+2 x\right )\right ) \]
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Time = 0.00 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {3855} \[ \int -\sec \left (\frac {\pi }{4}+2 x\right ) \, dx=-\frac {1}{2} \text {arctanh}\left (\sin \left (2 x+\frac {\pi }{4}\right )\right ) \]
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Rule 3855
Rubi steps \begin{align*} \text {integral}& = -\frac {1}{2} \text {arctanh}\left (\sin \left (\frac {\pi }{4}+2 x\right )\right ) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int -\sec \left (\frac {\pi }{4}+2 x\right ) \, dx=-\frac {1}{2} \text {arctanh}\left (\sin \left (\frac {\pi }{4}+2 x\right )\right ) \]
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Time = 0.29 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.40
method | result | size |
derivativedivides | \(-\frac {\ln \left (\sec \left (\frac {\pi }{4}+2 x \right )+\tan \left (\frac {\pi }{4}+2 x \right )\right )}{2}\) | \(21\) |
default | \(-\frac {\ln \left (\sec \left (\frac {\pi }{4}+2 x \right )+\tan \left (\frac {\pi }{4}+2 x \right )\right )}{2}\) | \(21\) |
norman | \(\frac {\ln \left (\tan \left (\frac {\pi }{8}+x \right )-1\right )}{2}-\frac {\ln \left (\tan \left (\frac {\pi }{8}+x \right )+1\right )}{2}\) | \(24\) |
parallelrisch | \(-\ln \left (\frac {1}{\sqrt {\tan \left (\frac {\pi }{8}+x \right )-1}}\right )-\ln \left (\sqrt {\tan \left (\frac {\pi }{8}+x \right )+1}\right )\) | \(28\) |
risch | \(-\frac {\ln \left ({\mathrm e}^{\frac {i \left (\pi +8 x \right )}{4}}+i\right )}{2}+\frac {\ln \left ({\mathrm e}^{\frac {i \left (\pi +8 x \right )}{4}}-i\right )}{2}\) | \(32\) |
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Leaf count of result is larger than twice the leaf count of optimal. 29 vs. \(2 (11) = 22\).
Time = 0.25 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.93 \[ \int -\sec \left (\frac {\pi }{4}+2 x\right ) \, dx=-\frac {1}{4} \, \log \left (\sin \left (\frac {1}{4} \, \pi + 2 \, x\right ) + 1\right ) + \frac {1}{4} \, \log \left (-\sin \left (\frac {1}{4} \, \pi + 2 \, x\right ) + 1\right ) \]
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Time = 0.09 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.47 \[ \int -\sec \left (\frac {\pi }{4}+2 x\right ) \, dx=\frac {\log {\left (\tan {\left (x + \frac {\pi }{8} \right )} - 1 \right )}}{2} - \frac {\log {\left (\tan {\left (x + \frac {\pi }{8} \right )} + 1 \right )}}{2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 27 vs. \(2 (11) = 22\).
Time = 0.21 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.80 \[ \int -\sec \left (\frac {\pi }{4}+2 x\right ) \, dx=-\frac {1}{4} \, \log \left (\sin \left (\frac {1}{4} \, \pi + 2 \, x\right ) + 1\right ) + \frac {1}{4} \, \log \left (\sin \left (\frac {1}{4} \, \pi + 2 \, x\right ) - 1\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 29 vs. \(2 (11) = 22\).
Time = 0.28 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.93 \[ \int -\sec \left (\frac {\pi }{4}+2 x\right ) \, dx=-\frac {1}{4} \, \log \left (\sin \left (\frac {1}{4} \, \pi + 2 \, x\right ) + 1\right ) + \frac {1}{4} \, \log \left (-\sin \left (\frac {1}{4} \, \pi + 2 \, x\right ) + 1\right ) \]
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Time = 0.24 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.60 \[ \int -\sec \left (\frac {\pi }{4}+2 x\right ) \, dx=-\frac {\ln \left (\frac {\sin \left (\frac {\Pi }{4}+2\,x\right )+1}{\cos \left (\frac {\Pi }{4}+2\,x\right )}\right )}{2} \]
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