Optimal. Leaf size=3 \[ \tan ^{-1}(\sin (x)) \]
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Rubi [A] time = 0.0179629, antiderivative size = 3, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 11, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.182, Rules used = {3190, 203} \[ \tan ^{-1}(\sin (x)) \]
Antiderivative was successfully verified.
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Rule 3190
Rule 203
Rubi steps
\begin{align*} \int \frac{\cos (x)}{1+\sin ^2(x)} \, dx &=\operatorname{Subst}\left (\int \frac{1}{1+x^2} \, dx,x,\sin (x)\right )\\ &=\tan ^{-1}(\sin (x))\\ \end{align*}
Mathematica [A] time = 0.0041201, size = 3, normalized size = 1. \[ \tan ^{-1}(\sin (x)) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.01, size = 4, normalized size = 1.3 \begin{align*} \arctan \left ( \sin \left ( x \right ) \right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.42151, size = 4, normalized size = 1.33 \begin{align*} \arctan \left (\sin \left (x\right )\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.94026, size = 22, normalized size = 7.33 \begin{align*} \arctan \left (\sin \left (x\right )\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.223876, size = 3, normalized size = 1. \begin{align*} \operatorname{atan}{\left (\sin{\left (x \right )} \right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.06824, size = 4, normalized size = 1.33 \begin{align*} \arctan \left (\sin \left (x\right )\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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