Integrand size = 9, antiderivative size = 17 \[ \int \sec ^4(x) \tan ^2(x) \, dx=\frac {\tan ^3(x)}{3}+\frac {\tan ^5(x)}{5} \]
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Time = 0.02 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {2687, 14} \[ \int \sec ^4(x) \tan ^2(x) \, dx=\frac {\tan ^5(x)}{5}+\frac {\tan ^3(x)}{3} \]
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Rule 14
Rule 2687
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int x^2 \left (1+x^2\right ) \, dx,x,\tan (x)\right ) \\ & = \text {Subst}\left (\int \left (x^2+x^4\right ) \, dx,x,\tan (x)\right ) \\ & = \frac {\tan ^3(x)}{3}+\frac {\tan ^5(x)}{5} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.59 \[ \int \sec ^4(x) \tan ^2(x) \, dx=-\frac {2 \tan (x)}{15}-\frac {1}{15} \sec ^2(x) \tan (x)+\frac {1}{5} \sec ^4(x) \tan (x) \]
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Time = 1.95 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.82
method | result | size |
derivativedivides | \(\frac {\left (\tan ^{3}\left (x \right )\right )}{3}+\frac {\left (\tan ^{5}\left (x \right )\right )}{5}\) | \(14\) |
default | \(\frac {\left (\tan ^{3}\left (x \right )\right )}{3}+\frac {\left (\tan ^{5}\left (x \right )\right )}{5}\) | \(14\) |
risch | \(-\frac {4 i \left (15 \,{\mathrm e}^{6 i x}-5 \,{\mathrm e}^{4 i x}+5 \,{\mathrm e}^{2 i x}+1\right )}{15 \left ({\mathrm e}^{2 i x}+1\right )^{5}}\) | \(36\) |
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Time = 0.24 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.18 \[ \int \sec ^4(x) \tan ^2(x) \, dx=-\frac {{\left (2 \, \cos \left (x\right )^{4} + \cos \left (x\right )^{2} - 3\right )} \sin \left (x\right )}{15 \, \cos \left (x\right )^{5}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 29 vs. \(2 (12) = 24\).
Time = 0.02 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.71 \[ \int \sec ^4(x) \tan ^2(x) \, dx=- \frac {2 \sin {\left (x \right )}}{15 \cos {\left (x \right )}} - \frac {\sin {\left (x \right )}}{15 \cos ^{3}{\left (x \right )}} + \frac {\sin {\left (x \right )}}{5 \cos ^{5}{\left (x \right )}} \]
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Time = 0.19 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.76 \[ \int \sec ^4(x) \tan ^2(x) \, dx=\frac {1}{5} \, \tan \left (x\right )^{5} + \frac {1}{3} \, \tan \left (x\right )^{3} \]
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Time = 0.28 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.76 \[ \int \sec ^4(x) \tan ^2(x) \, dx=\frac {1}{5} \, \tan \left (x\right )^{5} + \frac {1}{3} \, \tan \left (x\right )^{3} \]
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Time = 0.21 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.76 \[ \int \sec ^4(x) \tan ^2(x) \, dx=\frac {{\mathrm {tan}\left (x\right )}^5}{5}+\frac {{\mathrm {tan}\left (x\right )}^3}{3} \]
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