Integrand size = 11, antiderivative size = 51 \[ \int \cos \left (a+b \log \left (c x^n\right )\right ) \, dx=\frac {x \cos \left (a+b \log \left (c x^n\right )\right )}{1+b^2 n^2}+\frac {b n x \sin \left (a+b \log \left (c x^n\right )\right )}{1+b^2 n^2} \]
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Time = 0.01 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {4564} \[ \int \cos \left (a+b \log \left (c x^n\right )\right ) \, dx=\frac {b n x \sin \left (a+b \log \left (c x^n\right )\right )}{b^2 n^2+1}+\frac {x \cos \left (a+b \log \left (c x^n\right )\right )}{b^2 n^2+1} \]
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Rule 4564
Rubi steps \begin{align*} \text {integral}& = \frac {x \cos \left (a+b \log \left (c x^n\right )\right )}{1+b^2 n^2}+\frac {b n x \sin \left (a+b \log \left (c x^n\right )\right )}{1+b^2 n^2} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.76 \[ \int \cos \left (a+b \log \left (c x^n\right )\right ) \, dx=\frac {x \left (\cos \left (a+b \log \left (c x^n\right )\right )+b n \sin \left (a+b \log \left (c x^n\right )\right )\right )}{1+b^2 n^2} \]
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Time = 1.10 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.78
method | result | size |
parallelrisch | \(\frac {x \left (\sin \left (a +b \ln \left (c \,x^{n}\right )\right ) b n +\cos \left (a +b \ln \left (c \,x^{n}\right )\right )\right )}{b^{2} n^{2}+1}\) | \(40\) |
default | \(\frac {\frac {{\mathrm e}^{\frac {\ln \left (c \,x^{n}\right )}{n}-\frac {\ln \left (c \right )}{n}} \cos \left (a +b \ln \left (c \,x^{n}\right )\right )}{n \left (\frac {1}{n^{2}}+b^{2}\right )}+\frac {b \,{\mathrm e}^{\frac {\ln \left (c \,x^{n}\right )}{n}-\frac {\ln \left (c \right )}{n}} \sin \left (a +b \ln \left (c \,x^{n}\right )\right )}{\frac {1}{n^{2}}+b^{2}}}{n}\) | \(90\) |
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none
Time = 0.24 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.84 \[ \int \cos \left (a+b \log \left (c x^n\right )\right ) \, dx=\frac {b n x \sin \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right ) + x \cos \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right )}{b^{2} n^{2} + 1} \]
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\[ \int \cos \left (a+b \log \left (c x^n\right )\right ) \, dx=\begin {cases} \int \cos {\left (a - \frac {i \log {\left (c x^{n} \right )}}{n} \right )}\, dx & \text {for}\: b = - \frac {i}{n} \\\int \cos {\left (a + \frac {i \log {\left (c x^{n} \right )}}{n} \right )}\, dx & \text {for}\: b = \frac {i}{n} \\\frac {b n x \sin {\left (a + b \log {\left (c x^{n} \right )} \right )}}{b^{2} n^{2} + 1} + \frac {x \cos {\left (a + b \log {\left (c x^{n} \right )} \right )}}{b^{2} n^{2} + 1} & \text {otherwise} \end {cases} \]
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Leaf count of result is larger than twice the leaf count of optimal. 205 vs. \(2 (51) = 102\).
Time = 0.23 (sec) , antiderivative size = 205, normalized size of antiderivative = 4.02 \[ \int \cos \left (a+b \log \left (c x^n\right )\right ) \, dx=\frac {{\left ({\left (b \cos \left (b \log \left (c\right )\right ) \sin \left (2 \, b \log \left (c\right )\right ) - b \cos \left (2 \, b \log \left (c\right )\right ) \sin \left (b \log \left (c\right )\right ) + b \sin \left (b \log \left (c\right )\right )\right )} n + \cos \left (2 \, b \log \left (c\right )\right ) \cos \left (b \log \left (c\right )\right ) + \sin \left (2 \, b \log \left (c\right )\right ) \sin \left (b \log \left (c\right )\right ) + \cos \left (b \log \left (c\right )\right )\right )} x \cos \left (b \log \left (x^{n}\right ) + a\right ) + {\left ({\left (b \cos \left (2 \, b \log \left (c\right )\right ) \cos \left (b \log \left (c\right )\right ) + b \sin \left (2 \, b \log \left (c\right )\right ) \sin \left (b \log \left (c\right )\right ) + b \cos \left (b \log \left (c\right )\right )\right )} n - \cos \left (b \log \left (c\right )\right ) \sin \left (2 \, b \log \left (c\right )\right ) + \cos \left (2 \, b \log \left (c\right )\right ) \sin \left (b \log \left (c\right )\right ) - \sin \left (b \log \left (c\right )\right )\right )} x \sin \left (b \log \left (x^{n}\right ) + a\right )}{2 \, {\left ({\left (b^{2} \cos \left (b \log \left (c\right )\right )^{2} + b^{2} \sin \left (b \log \left (c\right )\right )^{2}\right )} n^{2} + \cos \left (b \log \left (c\right )\right )^{2} + \sin \left (b \log \left (c\right )\right )^{2}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 878 vs. \(2 (51) = 102\).
Time = 0.30 (sec) , antiderivative size = 878, normalized size of antiderivative = 17.22 \[ \int \cos \left (a+b \log \left (c x^n\right )\right ) \, dx=\text {Too large to display} \]
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Time = 26.94 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.76 \[ \int \cos \left (a+b \log \left (c x^n\right )\right ) \, dx=\frac {x\,\left (\cos \left (a+b\,\ln \left (c\,x^n\right )\right )+b\,n\,\sin \left (a+b\,\ln \left (c\,x^n\right )\right )\right )}{b^2\,n^2+1} \]
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