Integrand size = 8, antiderivative size = 4 \[ \int e^x \cos \left (e^x\right ) \, dx=\sin \left (e^x\right ) \]
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Time = 0.01 (sec) , antiderivative size = 4, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {2320, 2717} \[ \int e^x \cos \left (e^x\right ) \, dx=\sin \left (e^x\right ) \]
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Rule 2320
Rule 2717
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int \cos (x) \, dx,x,e^x\right ) \\ & = \sin \left (e^x\right ) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 4, normalized size of antiderivative = 1.00 \[ \int e^x \cos \left (e^x\right ) \, dx=\sin \left (e^x\right ) \]
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Time = 0.18 (sec) , antiderivative size = 4, normalized size of antiderivative = 1.00
method | result | size |
derivativedivides | \(\sin \left ({\mathrm e}^{x}\right )\) | \(4\) |
default | \(\sin \left ({\mathrm e}^{x}\right )\) | \(4\) |
risch | \(\sin \left ({\mathrm e}^{x}\right )\) | \(4\) |
parallelrisch | \(\sin \left ({\mathrm e}^{x}\right )\) | \(4\) |
norman | \(\frac {2 \tan \left (\frac {{\mathrm e}^{x}}{2}\right )}{1+\tan \left (\frac {{\mathrm e}^{x}}{2}\right )^{2}}\) | \(19\) |
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none
Time = 0.24 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.75 \[ \int e^x \cos \left (e^x\right ) \, dx=\sin \left (e^{x}\right ) \]
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Time = 0.10 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.75 \[ \int e^x \cos \left (e^x\right ) \, dx=\sin {\left (e^{x} \right )} \]
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none
Time = 0.19 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.75 \[ \int e^x \cos \left (e^x\right ) \, dx=\sin \left (e^{x}\right ) \]
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none
Time = 0.27 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.75 \[ \int e^x \cos \left (e^x\right ) \, dx=\sin \left (e^{x}\right ) \]
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Time = 27.70 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.75 \[ \int e^x \cos \left (e^x\right ) \, dx=\sin \left ({\mathrm {e}}^x\right ) \]
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