Integrand size = 28, antiderivative size = 232 \[ \int \frac {\sec ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^4} \, dx=\frac {\left (a^2+b^2\right )^3}{3 a^3 b^4 d (b+a \cot (c+d x))^3}+\frac {2 a^6+3 a^4 b^2-b^6}{a^3 b^5 d (b+a \cot (c+d x))^2}+\frac {10 a^6+9 a^4 b^2+b^6}{a^3 b^6 d (b+a \cot (c+d x))}-\frac {4 a \left (5 a^2+3 b^2\right ) \log (b+a \cot (c+d x))}{b^7 d}-\frac {4 a \left (5 a^2+3 b^2\right ) \log (\tan (c+d x))}{b^7 d}+\frac {\left (10 a^2+3 b^2\right ) \tan (c+d x)}{b^6 d}-\frac {2 a \tan ^2(c+d x)}{b^5 d}+\frac {\tan ^3(c+d x)}{3 b^4 d} \]
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Time = 0.28 (sec) , antiderivative size = 232, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.071, Rules used = {3167, 908} \[ \int \frac {\sec ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^4} \, dx=-\frac {4 a \left (5 a^2+3 b^2\right ) \log (\tan (c+d x))}{b^7 d}-\frac {4 a \left (5 a^2+3 b^2\right ) \log (a \cot (c+d x)+b)}{b^7 d}+\frac {\left (10 a^2+3 b^2\right ) \tan (c+d x)}{b^6 d}+\frac {\left (a^2+b^2\right )^3}{3 a^3 b^4 d (a \cot (c+d x)+b)^3}+\frac {10 a^6+9 a^4 b^2+b^6}{a^3 b^6 d (a \cot (c+d x)+b)}+\frac {2 a^6+3 a^4 b^2-b^6}{a^3 b^5 d (a \cot (c+d x)+b)^2}-\frac {2 a \tan ^2(c+d x)}{b^5 d}+\frac {\tan ^3(c+d x)}{3 b^4 d} \]
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Rule 908
Rule 3167
Rubi steps \begin{align*} \text {integral}& = -\frac {\text {Subst}\left (\int \frac {\left (1+x^2\right )^3}{x^4 (b+a x)^4} \, dx,x,\cot (c+d x)\right )}{d} \\ & = -\frac {\text {Subst}\left (\int \left (\frac {1}{b^4 x^4}-\frac {4 a}{b^5 x^3}+\frac {10 a^2+3 b^2}{b^6 x^2}-\frac {4 \left (5 a^3+3 a b^2\right )}{b^7 x}+\frac {\left (a^2+b^2\right )^3}{a^2 b^4 (b+a x)^4}+\frac {2 \left (2 a^6+3 a^4 b^2-b^6\right )}{a^2 b^5 (b+a x)^3}+\frac {10 a^6+9 a^4 b^2+b^6}{a^2 b^6 (b+a x)^2}+\frac {4 \left (5 a^4+3 a^2 b^2\right )}{b^7 (b+a x)}\right ) \, dx,x,\cot (c+d x)\right )}{d} \\ & = \frac {\left (a^2+b^2\right )^3}{3 a^3 b^4 d (b+a \cot (c+d x))^3}+\frac {2 a^6+3 a^4 b^2-b^6}{a^3 b^5 d (b+a \cot (c+d x))^2}+\frac {10 a^6+9 a^4 b^2+b^6}{a^3 b^6 d (b+a \cot (c+d x))}-\frac {4 a \left (5 a^2+3 b^2\right ) \log (b+a \cot (c+d x))}{b^7 d}-\frac {4 a \left (5 a^2+3 b^2\right ) \log (\tan (c+d x))}{b^7 d}+\frac {\left (10 a^2+3 b^2\right ) \tan (c+d x)}{b^6 d}-\frac {2 a \tan ^2(c+d x)}{b^5 d}+\frac {\tan ^3(c+d x)}{3 b^4 d} \\ \end{align*}
Time = 2.27 (sec) , antiderivative size = 295, normalized size of antiderivative = 1.27 \[ \int \frac {\sec ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^4} \, dx=\frac {b^6 \sec ^6(c+d x)+3 b^4 \sec ^4(c+d x) \left (a^2+2 b^2-a b \tan (c+d x)\right )-2 \left (37 a^6+36 a^4 b^2+3 a^2 b^4+4 b^6+6 a^4 \left (5 a^2+3 b^2\right ) \log (a+b \tan (c+d x))+3 a b \left (27 a^4+30 a^2 b^2+b^4+6 a^2 \left (5 a^2+3 b^2\right ) \log (a+b \tan (c+d x))\right ) \tan (c+d x)+6 b^2 \left (6 a^4+11 a^2 b^2+2 b^4+3 a^2 \left (5 a^2+3 b^2\right ) \log (a+b \tan (c+d x))\right ) \tan ^2(c+d x)+6 a b^3 \left (-3 a^2+\left (5 a^2+3 b^2\right ) \log (a+b \tan (c+d x))\right ) \tan ^3(c+d x)-6 a^2 b^4 \tan ^4(c+d x)\right )}{3 b^7 d (a+b \tan (c+d x))^3} \]
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Time = 5.42 (sec) , antiderivative size = 195, normalized size of antiderivative = 0.84
method | result | size |
derivativedivides | \(\frac {\frac {\frac {b^{2} \tan \left (d x +c \right )^{3}}{3}-2 a \tan \left (d x +c \right )^{2} b +10 \tan \left (d x +c \right ) a^{2}+3 \tan \left (d x +c \right ) b^{2}}{b^{6}}-\frac {4 a \left (5 a^{2}+3 b^{2}\right ) \ln \left (a +b \tan \left (d x +c \right )\right )}{b^{7}}-\frac {a^{6}+3 a^{4} b^{2}+3 a^{2} b^{4}+b^{6}}{3 b^{7} \left (a +b \tan \left (d x +c \right )\right )^{3}}-\frac {15 a^{4}+18 a^{2} b^{2}+3 b^{4}}{b^{7} \left (a +b \tan \left (d x +c \right )\right )}+\frac {3 a \left (a^{4}+2 a^{2} b^{2}+b^{4}\right )}{b^{7} \left (a +b \tan \left (d x +c \right )\right )^{2}}}{d}\) | \(195\) |
default | \(\frac {\frac {\frac {b^{2} \tan \left (d x +c \right )^{3}}{3}-2 a \tan \left (d x +c \right )^{2} b +10 \tan \left (d x +c \right ) a^{2}+3 \tan \left (d x +c \right ) b^{2}}{b^{6}}-\frac {4 a \left (5 a^{2}+3 b^{2}\right ) \ln \left (a +b \tan \left (d x +c \right )\right )}{b^{7}}-\frac {a^{6}+3 a^{4} b^{2}+3 a^{2} b^{4}+b^{6}}{3 b^{7} \left (a +b \tan \left (d x +c \right )\right )^{3}}-\frac {15 a^{4}+18 a^{2} b^{2}+3 b^{4}}{b^{7} \left (a +b \tan \left (d x +c \right )\right )}+\frac {3 a \left (a^{4}+2 a^{2} b^{2}+b^{4}\right )}{b^{7} \left (a +b \tan \left (d x +c \right )\right )^{2}}}{d}\) | \(195\) |
risch | \(\frac {8 i \left (-4 b^{5}+45 a^{4} b -3 a^{2} b^{3}+12 b^{5} {\mathrm e}^{4 i \left (d x +c \right )}-130 i a^{3} b^{2} {\mathrm e}^{6 i \left (d x +c \right )}+15 i a \,b^{4} {\mathrm e}^{2 i \left (d x +c \right )}+6 i a^{3} b^{2} {\mathrm e}^{10 i \left (d x +c \right )}+9 i a \,b^{4} {\mathrm e}^{10 i \left (d x +c \right )}-45 i a^{3} b^{2} {\mathrm e}^{8 i \left (d x +c \right )}-60 i a^{3} b^{2} {\mathrm e}^{4 i \left (d x +c \right )}-12 i a \,b^{4} {\mathrm e}^{4 i \left (d x +c \right )}+60 i a^{3} b^{2} {\mathrm e}^{2 i \left (d x +c \right )}-24 i a \,b^{4} {\mathrm e}^{6 i \left (d x +c \right )}-15 i a^{5}-15 i a^{5} {\mathrm e}^{10 i \left (d x +c \right )}-75 i a^{5} {\mathrm e}^{8 i \left (d x +c \right )}-150 i a^{5} {\mathrm e}^{6 i \left (d x +c \right )}-150 i a^{5} {\mathrm e}^{4 i \left (d x +c \right )}-75 i a^{5} {\mathrm e}^{2 i \left (d x +c \right )}+41 i a^{3} b^{2}+12 i a \,b^{4}-45 a^{2} b^{3} {\mathrm e}^{8 i \left (d x +c \right )}-75 a^{4} b \,{\mathrm e}^{8 i \left (d x +c \right )}-30 a^{4} b \,{\mathrm e}^{10 i \left (d x +c \right )}+30 a^{2} b^{3} {\mathrm e}^{2 i \left (d x +c \right )}+60 a^{2} b^{3} {\mathrm e}^{4 i \left (d x +c \right )}+150 a^{4} b \,{\mathrm e}^{2 i \left (d x +c \right )}+150 a^{4} b \,{\mathrm e}^{4 i \left (d x +c \right )}-18 a^{2} b^{3} {\mathrm e}^{10 i \left (d x +c \right )}\right )}{3 \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )^{3} \left (b \,{\mathrm e}^{2 i \left (d x +c \right )}+i a \,{\mathrm e}^{2 i \left (d x +c \right )}-b +i a \right )^{3} b^{6} d}-\frac {20 a^{3} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-\frac {i b +a}{i b -a}\right )}{b^{7} d}-\frac {12 a \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-\frac {i b +a}{i b -a}\right )}{b^{5} d}+\frac {20 a^{3} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )}{b^{7} d}+\frac {12 a \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )}{b^{5} d}\) | \(593\) |
norman | \(\frac {\frac {4 \left (100 a^{8}-160 a^{6} b^{2}-140 a^{4} b^{4}-a^{2} b^{6}-2 b^{8}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{5}}{a^{3} d \,b^{6}}-\frac {4 \left (100 a^{8}-160 a^{6} b^{2}-140 a^{4} b^{4}-a^{2} b^{6}-2 b^{8}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{7}}{a^{3} d \,b^{6}}-\frac {2 \left (300 a^{8}-260 a^{6} b^{2}-264 a^{4} b^{4}+3 a^{2} b^{6}-4 b^{8}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{3}}{3 a^{3} d \,b^{6}}+\frac {2 \left (300 a^{8}-260 a^{6} b^{2}-264 a^{4} b^{4}+3 a^{2} b^{6}-4 b^{8}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{9}}{3 a^{3} d \,b^{6}}-\frac {\left (800 a^{6}+400 a^{4} b^{2}-48 a^{2} b^{4}+16 b^{6}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{4}}{a^{2} b^{5} d}-\frac {\left (800 a^{6}+400 a^{4} b^{2}-48 a^{2} b^{4}+16 b^{6}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{8}}{a^{2} b^{5} d}+\frac {2 \left (100 a^{6}+60 a^{4} b^{2}+2 b^{6}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}}{a^{2} d \,b^{5}}+\frac {2 \left (100 a^{6}+60 a^{4} b^{2}+2 b^{6}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{10}}{a^{2} d \,b^{5}}+\frac {4 \left (900 a^{6}+420 a^{4} b^{2}-56 a^{2} b^{4}+18 b^{6}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{6}}{3 b^{5} d \,a^{2}}+\frac {2 \left (20 a^{6}+12 a^{4} b^{2}+b^{6}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{b^{6} d a}-\frac {2 \left (20 a^{6}+12 a^{4} b^{2}+b^{6}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{11}}{b^{6} d a}}{\left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}-1\right )^{3} \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2} a -2 b \tan \left (\frac {d x}{2}+\frac {c}{2}\right )-a \right )^{3}}+\frac {4 \left (5 a^{2}+3 b^{2}\right ) a \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )}{b^{7} d}+\frac {4 \left (5 a^{2}+3 b^{2}\right ) a \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )}{b^{7} d}-\frac {4 \left (5 a^{2}+3 b^{2}\right ) a \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2} a -2 b \tan \left (\frac {d x}{2}+\frac {c}{2}\right )-a \right )}{b^{7} d}\) | \(697\) |
parallelrisch | \(\frac {-900 a^{2} \left (a^{2}+\frac {3 b^{2}}{5}\right ) \left (\left (a^{3}+\frac {1}{5} a \,b^{2}\right ) \cos \left (2 d x +2 c \right )+\frac {2 \left (a^{3}-a \,b^{2}\right ) \cos \left (4 d x +4 c \right )}{5}+\frac {\left (\frac {1}{3} a^{3}-a \,b^{2}\right ) \cos \left (6 d x +6 c \right )}{5}+\left (a^{2} b +\frac {1}{5} b^{3}\right ) \sin \left (2 d x +2 c \right )+\frac {\left (a^{2} b -\frac {1}{3} b^{3}\right ) \sin \left (6 d x +6 c \right )}{5}+\frac {4 a^{2} b \sin \left (4 d x +4 c \right )}{5}+\frac {2 a^{3}}{3}+\frac {2 a \,b^{2}}{5}\right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2} a -2 b \tan \left (\frac {d x}{2}+\frac {c}{2}\right )-a \right )+900 a^{2} \left (a^{2}+\frac {3 b^{2}}{5}\right ) \left (\left (a^{3}+\frac {1}{5} a \,b^{2}\right ) \cos \left (2 d x +2 c \right )+\frac {2 \left (a^{3}-a \,b^{2}\right ) \cos \left (4 d x +4 c \right )}{5}+\frac {\left (\frac {1}{3} a^{3}-a \,b^{2}\right ) \cos \left (6 d x +6 c \right )}{5}+\left (a^{2} b +\frac {1}{5} b^{3}\right ) \sin \left (2 d x +2 c \right )+\frac {\left (a^{2} b -\frac {1}{3} b^{3}\right ) \sin \left (6 d x +6 c \right )}{5}+\frac {4 a^{2} b \sin \left (4 d x +4 c \right )}{5}+\frac {2 a^{3}}{3}+\frac {2 a \,b^{2}}{5}\right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )+900 a^{2} \left (a^{2}+\frac {3 b^{2}}{5}\right ) \left (\left (a^{3}+\frac {1}{5} a \,b^{2}\right ) \cos \left (2 d x +2 c \right )+\frac {2 \left (a^{3}-a \,b^{2}\right ) \cos \left (4 d x +4 c \right )}{5}+\frac {\left (\frac {1}{3} a^{3}-a \,b^{2}\right ) \cos \left (6 d x +6 c \right )}{5}+\left (a^{2} b +\frac {1}{5} b^{3}\right ) \sin \left (2 d x +2 c \right )+\frac {\left (a^{2} b -\frac {1}{3} b^{3}\right ) \sin \left (6 d x +6 c \right )}{5}+\frac {4 a^{2} b \sin \left (4 d x +4 c \right )}{5}+\frac {2 a^{3}}{3}+\frac {2 a \,b^{2}}{5}\right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )+3 \left (-100 a^{7}-30 a^{5} b^{2}+13 a^{3} b^{4}-13 a \,b^{6}\right ) \cos \left (2 d x +2 c \right )+6 \left (-20 a^{7}-42 a^{5} b^{2}-23 a^{3} b^{4}-3 a \,b^{6}\right ) \cos \left (4 d x +4 c \right )+\left (-20 a^{7}-102 a^{5} b^{2}-39 a^{3} b^{4}+7 a \,b^{6}\right ) \cos \left (6 d x +6 c \right )+3 \left (90 a^{4} b^{3}+49 a^{2} b^{5}+3 b^{7}\right ) \sin \left (2 d x +2 c \right )+3 \left (-30 a^{4} b^{3}-19 a^{2} b^{5}-b^{7}\right ) \sin \left (6 d x +6 c \right )+12 a^{2} b^{5} \sin \left (4 d x +4 c \right )-200 a^{7}+60 a^{5} b^{2}+138 a^{3} b^{4}+18 a \,b^{6}}{3 b^{7} d \left (15 \left (a^{2}+\frac {b^{2}}{5}\right ) a^{2} \cos \left (2 d x +2 c \right )+a \left (6 a^{3} \cos \left (4 d x +4 c \right )+a^{3} \cos \left (6 d x +6 c \right )+12 a^{2} b \sin \left (4 d x +4 c \right )+3 a^{2} b \sin \left (6 d x +6 c \right )+15 a^{2} b \sin \left (2 d x +2 c \right )-6 a \,b^{2} \cos \left (4 d x +4 c \right )-3 a \,b^{2} \cos \left (6 d x +6 c \right )-b^{3} \sin \left (6 d x +6 c \right )+3 \sin \left (2 d x +2 c \right ) b^{3}+10 a^{3}+6 a \,b^{2}\right )\right )}\) | \(904\) |
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Leaf count of result is larger than twice the leaf count of optimal. 553 vs. \(2 (228) = 456\).
Time = 0.29 (sec) , antiderivative size = 553, normalized size of antiderivative = 2.38 \[ \int \frac {\sec ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^4} \, dx=-\frac {4 \, {\left (45 \, a^{4} b^{2} - 3 \, a^{2} b^{4} - 4 \, b^{6}\right )} \cos \left (d x + c\right )^{6} - b^{6} - 6 \, {\left (25 \, a^{4} b^{2} - 5 \, a^{2} b^{4} - 4 \, b^{6}\right )} \cos \left (d x + c\right )^{4} - 3 \, {\left (5 \, a^{2} b^{4} + 2 \, b^{6}\right )} \cos \left (d x + c\right )^{2} + 6 \, {\left ({\left (5 \, a^{6} - 12 \, a^{4} b^{2} - 9 \, a^{2} b^{4}\right )} \cos \left (d x + c\right )^{6} + 3 \, {\left (5 \, a^{4} b^{2} + 3 \, a^{2} b^{4}\right )} \cos \left (d x + c\right )^{4} + {\left ({\left (15 \, a^{5} b + 4 \, a^{3} b^{3} - 3 \, a b^{5}\right )} \cos \left (d x + c\right )^{5} + {\left (5 \, a^{3} b^{3} + 3 \, a b^{5}\right )} \cos \left (d x + c\right )^{3}\right )} \sin \left (d x + c\right )\right )} \log \left (2 \, a b \cos \left (d x + c\right ) \sin \left (d x + c\right ) + {\left (a^{2} - b^{2}\right )} \cos \left (d x + c\right )^{2} + b^{2}\right ) - 6 \, {\left ({\left (5 \, a^{6} - 12 \, a^{4} b^{2} - 9 \, a^{2} b^{4}\right )} \cos \left (d x + c\right )^{6} + 3 \, {\left (5 \, a^{4} b^{2} + 3 \, a^{2} b^{4}\right )} \cos \left (d x + c\right )^{4} + {\left ({\left (15 \, a^{5} b + 4 \, a^{3} b^{3} - 3 \, a b^{5}\right )} \cos \left (d x + c\right )^{5} + {\left (5 \, a^{3} b^{3} + 3 \, a b^{5}\right )} \cos \left (d x + c\right )^{3}\right )} \sin \left (d x + c\right )\right )} \log \left (\cos \left (d x + c\right )^{2}\right ) + {\left (3 \, a b^{5} \cos \left (d x + c\right ) - 4 \, {\left (15 \, a^{5} b - 41 \, a^{3} b^{3} - 12 \, a b^{5}\right )} \cos \left (d x + c\right )^{5} - 2 \, {\left (55 \, a^{3} b^{3} + 21 \, a b^{5}\right )} \cos \left (d x + c\right )^{3}\right )} \sin \left (d x + c\right )}{3 \, {\left (3 \, a b^{9} d \cos \left (d x + c\right )^{4} + {\left (a^{3} b^{7} - 3 \, a b^{9}\right )} d \cos \left (d x + c\right )^{6} + {\left (b^{10} d \cos \left (d x + c\right )^{3} + {\left (3 \, a^{2} b^{8} - b^{10}\right )} d \cos \left (d x + c\right )^{5}\right )} \sin \left (d x + c\right )\right )}} \]
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\[ \int \frac {\sec ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^4} \, dx=\int \frac {\sec ^{4}{\left (c + d x \right )}}{\left (a \cos {\left (c + d x \right )} + b \sin {\left (c + d x \right )}\right )^{4}}\, dx \]
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Time = 0.25 (sec) , antiderivative size = 217, normalized size of antiderivative = 0.94 \[ \int \frac {\sec ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^4} \, dx=-\frac {\frac {37 \, a^{6} + 39 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6} + 9 \, {\left (5 \, a^{4} b^{2} + 6 \, a^{2} b^{4} + b^{6}\right )} \tan \left (d x + c\right )^{2} + 9 \, {\left (9 \, a^{5} b + 10 \, a^{3} b^{3} + a b^{5}\right )} \tan \left (d x + c\right )}{b^{10} \tan \left (d x + c\right )^{3} + 3 \, a b^{9} \tan \left (d x + c\right )^{2} + 3 \, a^{2} b^{8} \tan \left (d x + c\right ) + a^{3} b^{7}} - \frac {b^{2} \tan \left (d x + c\right )^{3} - 6 \, a b \tan \left (d x + c\right )^{2} + 3 \, {\left (10 \, a^{2} + 3 \, b^{2}\right )} \tan \left (d x + c\right )}{b^{6}} + \frac {12 \, {\left (5 \, a^{3} + 3 \, a b^{2}\right )} \log \left (b \tan \left (d x + c\right ) + a\right )}{b^{7}}}{3 \, d} \]
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Time = 0.37 (sec) , antiderivative size = 249, normalized size of antiderivative = 1.07 \[ \int \frac {\sec ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^4} \, dx=-\frac {\frac {12 \, {\left (5 \, a^{3} + 3 \, a b^{2}\right )} \log \left ({\left | b \tan \left (d x + c\right ) + a \right |}\right )}{b^{7}} - \frac {110 \, a^{3} b^{3} \tan \left (d x + c\right )^{3} + 66 \, a b^{5} \tan \left (d x + c\right )^{3} + 285 \, a^{4} b^{2} \tan \left (d x + c\right )^{2} + 144 \, a^{2} b^{4} \tan \left (d x + c\right )^{2} - 9 \, b^{6} \tan \left (d x + c\right )^{2} + 249 \, a^{5} b \tan \left (d x + c\right ) + 108 \, a^{3} b^{3} \tan \left (d x + c\right ) - 9 \, a b^{5} \tan \left (d x + c\right ) + 73 \, a^{6} + 27 \, a^{4} b^{2} - 3 \, a^{2} b^{4} - b^{6}}{{\left (b \tan \left (d x + c\right ) + a\right )}^{3} b^{7}} - \frac {b^{8} \tan \left (d x + c\right )^{3} - 6 \, a b^{7} \tan \left (d x + c\right )^{2} + 30 \, a^{2} b^{6} \tan \left (d x + c\right ) + 9 \, b^{8} \tan \left (d x + c\right )}{b^{12}}}{3 \, d} \]
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Time = 32.43 (sec) , antiderivative size = 1599, normalized size of antiderivative = 6.89 \[ \int \frac {\sec ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^4} \, dx=\text {Too large to display} \]
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