Optimal. Leaf size=10 \[ e^{\frac{1}{2} \sin (2 x)} \]
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Rubi [A] time = 0.0117849, antiderivative size = 10, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.167, Rules used = {4356, 2194} \[ e^{\frac{1}{2} \sin (2 x)} \]
Antiderivative was successfully verified.
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Rule 4356
Rule 2194
Rubi steps
\begin{align*} \int e^{\cos (x) \sin (x)} \cos (2 x) \, dx &=\frac{1}{2} \operatorname{Subst}\left (\int e^{x/2} \, dx,x,\sin (2 x)\right )\\ &=e^{\frac{1}{2} \sin (2 x)}\\ \end{align*}
Mathematica [A] time = 0.0213795, size = 7, normalized size = 0.7 \[ e^{\sin (x) \cos (x)} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.015, size = 7, normalized size = 0.7 \begin{align*}{{\rm e}^{\cos \left ( x \right ) \sin \left ( x \right ) }} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 3.1773, size = 9, normalized size = 0.9 \begin{align*} e^{\left (\frac{1}{2} \, \sin \left (2 \, x\right )\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.15711, size = 26, normalized size = 2.6 \begin{align*} e^{\left (\cos \left (x\right ) \sin \left (x\right )\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.09902, size = 16, normalized size = 1.6 \begin{align*} e^{\left (\frac{\tan \left (x\right )}{\tan \left (x\right )^{2} + 1}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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