Optimal. Leaf size=5 \[ -\log (\cos (x)) \]
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Rubi [A] time = 0.00, antiderivative size = 5, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, integrand size = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {3475} \[ -\log (\cos (x)) \]
Antiderivative was successfully verified.
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Rule 3475
Rubi steps
\begin {align*} \int \tan (x) \, dx &=-\log (\cos (x))\\ \end {align*}
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Mathematica [A] time = 0.00, size = 5, normalized size = 1.00 \[ -\log (\cos (x)) \]
Antiderivative was successfully verified.
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fricas [B] time = 0.43, size = 11, normalized size = 2.20 \[ -\frac {1}{2} \, \log \left (\frac {1}{\tan \relax (x)^{2} + 1}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.04, size = 6, normalized size = 1.20 \[ -\log \left ({\left | \cos \relax (x) \right |}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 6, normalized size = 1.20 \[ -\ln \left (\cos \relax (x )\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.43, size = 3, normalized size = 0.60 \[ \log \left (\sec \relax (x)\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.03, size = 5, normalized size = 1.00 \[ -\ln \left (\cos \relax (x)\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.06, size = 5, normalized size = 1.00 \[ - \log {\left (\cos {\relax (x )} \right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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