Optimal. Leaf size=45 \[ -\frac {1}{12} \log (\cos (t)-\sin (t))-\frac {1}{4} \log (\cos (t)+\sin (t))+\frac {1}{3} \log (2 \cos (t)+\sin (t))-\frac {1}{2 (1+\tan (t))} \]
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Rubi [A]
time = 0.07, antiderivative size = 45, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 2, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {723, 814}
\begin {gather*} -\frac {1}{2 (\tan (t)+1)}-\frac {1}{12} \log (\cos (t)-\sin (t))-\frac {1}{4} \log (\sin (t)+\cos (t))+\frac {1}{3} \log (\sin (t)+2 \cos (t)) \end {gather*}
Antiderivative was successfully verified.
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Rule 723
Rule 814
Rubi steps
\begin {align*} \int \frac {\sec (2 t)}{1+\sec ^2(t)+3 \tan (t)} \, dt &=\text {Subst}\left (\int \frac {1}{(1+t)^2 \left (2-t-t^2\right )} \, dt,t,\tan (t)\right )\\ &=-\frac {1}{2 (1+\tan (t))}+\frac {1}{2} \text {Subst}\left (\int \frac {t}{(1+t) \left (2-t-t^2\right )} \, dt,t,\tan (t)\right )\\ &=-\frac {1}{2 (1+\tan (t))}+\frac {1}{2} \text {Subst}\left (\int \left (-\frac {1}{6 (-1+t)}-\frac {1}{2 (1+t)}+\frac {2}{3 (2+t)}\right ) \, dt,t,\tan (t)\right )\\ &=-\frac {1}{12} \log (\cos (t)-\sin (t))-\frac {1}{4} \log (\cos (t)+\sin (t))+\frac {1}{3} \log (2 \cos (t)+\sin (t))-\frac {1}{2 (1+\tan (t))}\\ \end {align*}
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Mathematica [A]
time = 0.13, size = 73, normalized size = 1.62 \begin {gather*} -\frac {\cos (t) (\log (\cos (t)-\sin (t))+3 \log (\cos (t)+\sin (t))-4 \log (2 \cos (t)+\sin (t)))+(-6+\log (\cos (t)-\sin (t))+3 \log (\cos (t)+\sin (t))-4 \log (2 \cos (t)+\sin (t))) \sin (t)}{12 (\cos (t)+\sin (t))} \end {gather*}
Antiderivative was successfully verified.
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Mathics [F(-1)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [A]
time = 0.20, size = 31, normalized size = 0.69
method | result | size |
default | \(-\frac {1}{2 \left (1+\tan \left (t \right )\right )}-\frac {\ln \left (1+\tan \left (t \right )\right )}{4}+\frac {\ln \left (\tan \left (t \right )+2\right )}{3}-\frac {\ln \left (\tan \left (t \right )-1\right )}{12}\) | \(31\) |
risch | \(-\frac {1}{2 \left ({\mathrm e}^{2 i t}+i\right )}+\frac {\ln \left ({\mathrm e}^{2 i t}+\frac {3}{5}+\frac {4 i}{5}\right )}{3}-\frac {\ln \left ({\mathrm e}^{2 i t}+i\right )}{4}-\frac {\ln \left ({\mathrm e}^{2 i t}-i\right )}{12}\) | \(48\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 256 vs.
\(2 (37) = 74\).
time = 0.42, size = 256, normalized size = 5.69 \begin {gather*} \frac {3 \, {\left (\cos \left (2 \, t\right )^{2} + \sin \left (2 \, t\right )^{2} + 2 \, \sin \left (2 \, t\right ) + 1\right )} \log \left (953674316406250 \, {\left (3 \, \cos \left (2 \, t\right ) + \sin \left (2 \, t\right ) + 4\right )} \cos \left (4 \, t\right ) + 2384185791015625 \, \cos \left (4 \, t\right )^{2} + 953674316406250 \, \cos \left (2 \, t\right )^{2} - 953674316406250 \, {\left (\cos \left (2 \, t\right ) - 3 \, \sin \left (2 \, t\right ) + 3\right )} \sin \left (4 \, t\right ) + 2384185791015625 \, \sin \left (4 \, t\right )^{2} + 953674316406250 \, \sin \left (2 \, t\right )^{2} + 2861022949218750 \, \cos \left (2 \, t\right ) - 953674316406250 \, \sin \left (2 \, t\right ) + 2384185791015625\right ) - 6 \, {\left (\cos \left (2 \, t\right )^{2} + \sin \left (2 \, t\right )^{2} + 2 \, \sin \left (2 \, t\right ) + 1\right )} \log \left (\cos \left (2 \, t\right )^{2} + \sin \left (2 \, t\right )^{2} + 2 \, \sin \left (2 \, t\right ) + 1\right ) + 5 \, {\left (\cos \left (2 \, t\right )^{2} + \sin \left (2 \, t\right )^{2} + 2 \, \sin \left (2 \, t\right ) + 1\right )} \log \left (\frac {5 \, \cos \left (2 \, t\right )^{2} + 5 \, \sin \left (2 \, t\right )^{2} + 6 \, \cos \left (2 \, t\right ) + 8 \, \sin \left (2 \, t\right ) + 5}{5 \, {\left (\cos \left (2 \, t\right )^{2} + \sin \left (2 \, t\right )^{2} - 2 \, \sin \left (2 \, t\right ) + 1\right )}}\right ) - 24 \, \cos \left (2 \, t\right )}{48 \, {\left (\cos \left (2 \, t\right )^{2} + \sin \left (2 \, t\right )^{2} + 2 \, \sin \left (2 \, t\right ) + 1\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.34, size = 71, normalized size = 1.58 \begin {gather*} \frac {4 \, {\left (\cos \left (t\right ) + \sin \left (t\right )\right )} \log \left (\frac {3}{4} \, \cos \left (t\right )^{2} + \cos \left (t\right ) \sin \left (t\right ) + \frac {1}{4}\right ) - 3 \, {\left (\cos \left (t\right ) + \sin \left (t\right )\right )} \log \left (2 \, \cos \left (t\right ) \sin \left (t\right ) + 1\right ) - {\left (\cos \left (t\right ) + \sin \left (t\right )\right )} \log \left (-2 \, \cos \left (t\right ) \sin \left (t\right ) + 1\right ) - 6 \, \cos \left (t\right ) + 6 \, \sin \left (t\right )}{24 \, {\left (\cos \left (t\right ) + \sin \left (t\right )\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\sec {\left (2 t \right )}}{3 \tan {\left (t \right )} + \sec ^{2}{\left (t \right )} + 1}\, dt \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.00, size = 39, normalized size = 0.87 \begin {gather*} -\frac {\ln \left |\tan t-1\right |}{12}+\frac {\ln \left |\tan t+2\right |}{3}-\frac {\ln \left |\tan t+1\right |}{4}-\frac {1}{2 \left (\tan t+1\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.72, size = 32, normalized size = 0.71 \begin {gather*} \frac {\ln \left (\mathrm {tan}\left (t\right )+2\right )}{3}-\frac {\ln \left (\mathrm {tan}\left (t\right )+1\right )}{4}-\frac {\ln \left (\mathrm {tan}\left (t\right )-1\right )}{12}-\frac {1}{2\,\left (\mathrm {tan}\left (t\right )+1\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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