Integrand size = 7, antiderivative size = 50 \[ \int \frac {1}{(\cos (x)+\sin (x))^6} \, dx=-\frac {\cos (x)-\sin (x)}{10 (\cos (x)+\sin (x))^5}-\frac {\cos (x)-\sin (x)}{15 (\cos (x)+\sin (x))^3}+\frac {2 \sin (x)}{15 (\cos (x)+\sin (x))} \]
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Time = 0.02 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {3155, 3154} \[ \int \frac {1}{(\cos (x)+\sin (x))^6} \, dx=-\frac {\cos (x)-\sin (x)}{15 (\sin (x)+\cos (x))^3}-\frac {\cos (x)-\sin (x)}{10 (\sin (x)+\cos (x))^5}+\frac {2 \sin (x)}{15 (\sin (x)+\cos (x))} \]
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Rule 3154
Rule 3155
Rubi steps \begin{align*} \text {integral}& = -\frac {\cos (x)-\sin (x)}{10 (\cos (x)+\sin (x))^5}+\frac {2}{5} \int \frac {1}{(\cos (x)+\sin (x))^4} \, dx \\ & = -\frac {\cos (x)-\sin (x)}{10 (\cos (x)+\sin (x))^5}-\frac {\cos (x)-\sin (x)}{15 (\cos (x)+\sin (x))^3}+\frac {2}{15} \int \frac {1}{(\cos (x)+\sin (x))^2} \, dx \\ & = -\frac {\cos (x)-\sin (x)}{10 (\cos (x)+\sin (x))^5}-\frac {\cos (x)-\sin (x)}{15 (\cos (x)+\sin (x))^3}+\frac {2 \sin (x)}{15 (\cos (x)+\sin (x))} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.52 \[ \int \frac {1}{(\cos (x)+\sin (x))^6} \, dx=-\frac {5 \cos (3 x)-10 \sin (x)+\sin (5 x)}{30 (\cos (x)+\sin (x))^5} \]
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Result contains complex when optimal does not.
Time = 0.39 (sec) , antiderivative size = 30, normalized size of antiderivative = 0.60
method | result | size |
risch | \(\frac {-\frac {2}{15}+\frac {4 \,{\mathrm e}^{4 i x}}{3}+\frac {2 i {\mathrm e}^{2 i x}}{3}}{\left ({\mathrm e}^{2 i x}+i\right )^{5}}\) | \(30\) |
default | \(-\frac {4}{5 \left (\tan \left (x \right )+1\right )^{5}}-\frac {8}{3 \left (\tan \left (x \right )+1\right )^{3}}-\frac {1}{\tan \left (x \right )+1}+\frac {2}{\left (\tan \left (x \right )+1\right )^{4}}+\frac {2}{\left (\tan \left (x \right )+1\right )^{2}}\) | \(42\) |
parallelrisch | \(\frac {-9 \sin \left (5 x \right )+25 \sin \left (3 x \right )+90 \sin \left (x \right )-45 \cos \left (3 x \right )-5 \cos \left (5 x \right )+50 \cos \left (x \right )}{-30 \cos \left (5 x \right )-150 \cos \left (3 x \right )+300 \cos \left (x \right )-30 \sin \left (5 x \right )+150 \sin \left (3 x \right )+300 \sin \left (x \right )}\) | \(70\) |
norman | \(\frac {-8 \left (\tan ^{2}\left (\frac {x}{2}\right )\right )-2 \tan \left (\frac {x}{2}\right )-2 \left (\tan ^{9}\left (\frac {x}{2}\right )\right )+8 \left (\tan ^{8}\left (\frac {x}{2}\right )\right )-\frac {40 \left (\tan ^{3}\left (\frac {x}{2}\right )\right )}{3}-\frac {40 \left (\tan ^{7}\left (\frac {x}{2}\right )\right )}{3}-\frac {8 \left (\tan ^{6}\left (\frac {x}{2}\right )\right )}{3}+\frac {8 \left (\tan ^{4}\left (\frac {x}{2}\right )\right )}{3}+\frac {236 \left (\tan ^{5}\left (\frac {x}{2}\right )\right )}{15}}{\left (\tan ^{2}\left (\frac {x}{2}\right )-2 \tan \left (\frac {x}{2}\right )-1\right )^{5}}\) | \(89\) |
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Time = 0.25 (sec) , antiderivative size = 67, normalized size of antiderivative = 1.34 \[ \int \frac {1}{(\cos (x)+\sin (x))^6} \, dx=-\frac {8 \, \cos \left (x\right )^{5} - 20 \, \cos \left (x\right )^{3} - {\left (8 \, \cos \left (x\right )^{4} + 4 \, \cos \left (x\right )^{2} - 7\right )} \sin \left (x\right ) + 5 \, \cos \left (x\right )}{30 \, {\left (4 \, \cos \left (x\right )^{5} + {\left (4 \, \cos \left (x\right )^{4} - 8 \, \cos \left (x\right )^{2} - 1\right )} \sin \left (x\right ) - 5 \, \cos \left (x\right )\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 838 vs. \(2 (51) = 102\).
Time = 3.80 (sec) , antiderivative size = 838, normalized size of antiderivative = 16.76 \[ \int \frac {1}{(\cos (x)+\sin (x))^6} \, dx=\text {Too large to display} \]
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Time = 0.19 (sec) , antiderivative size = 56, normalized size of antiderivative = 1.12 \[ \int \frac {1}{(\cos (x)+\sin (x))^6} \, dx=-\frac {15 \, \tan \left (x\right )^{4} + 30 \, \tan \left (x\right )^{3} + 40 \, \tan \left (x\right )^{2} + 20 \, \tan \left (x\right ) + 7}{15 \, {\left (\tan \left (x\right )^{5} + 5 \, \tan \left (x\right )^{4} + 10 \, \tan \left (x\right )^{3} + 10 \, \tan \left (x\right )^{2} + 5 \, \tan \left (x\right ) + 1\right )}} \]
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Time = 0.29 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.64 \[ \int \frac {1}{(\cos (x)+\sin (x))^6} \, dx=-\frac {15 \, \tan \left (x\right )^{4} + 30 \, \tan \left (x\right )^{3} + 40 \, \tan \left (x\right )^{2} + 20 \, \tan \left (x\right ) + 7}{15 \, {\left (\tan \left (x\right ) + 1\right )}^{5}} \]
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Time = 0.29 (sec) , antiderivative size = 88, normalized size of antiderivative = 1.76 \[ \int \frac {1}{(\cos (x)+\sin (x))^6} \, dx=\frac {2\,\mathrm {tan}\left (\frac {x}{2}\right )\,\left (15\,{\mathrm {tan}\left (\frac {x}{2}\right )}^8-60\,{\mathrm {tan}\left (\frac {x}{2}\right )}^7+100\,{\mathrm {tan}\left (\frac {x}{2}\right )}^6+20\,{\mathrm {tan}\left (\frac {x}{2}\right )}^5-118\,{\mathrm {tan}\left (\frac {x}{2}\right )}^4-20\,{\mathrm {tan}\left (\frac {x}{2}\right )}^3+100\,{\mathrm {tan}\left (\frac {x}{2}\right )}^2+60\,\mathrm {tan}\left (\frac {x}{2}\right )+15\right )}{15\,{\left (-{\mathrm {tan}\left (\frac {x}{2}\right )}^2+2\,\mathrm {tan}\left (\frac {x}{2}\right )+1\right )}^5} \]
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