Integrand size = 28, antiderivative size = 216 \[ \int \frac {\cos ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^3} \, dx=-\frac {3 b^2 \left (4 a^2-b^2\right ) \text {arctanh}\left (\frac {b-a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2+b^2}}\right )}{\left (a^2+b^2\right )^{7/2} d}+\frac {b \left (3 a^2-b^2\right ) \cos (c+d x)}{\left (a^2+b^2\right )^3 d}+\frac {a \left (a^2-3 b^2\right ) \sin (c+d x)}{\left (a^2+b^2\right )^3 d}+\frac {b^4 \sin (c+d x)}{2 a \left (a^2+b^2\right )^2 d (a \cos (c+d x)+b \sin (c+d x))^2}-\frac {b^3 \left (8 a^2+b^2\right )}{2 a \left (a^2+b^2\right )^3 d (a \cos (c+d x)+b \sin (c+d x))} \]
[Out]
Leaf count is larger than twice the leaf count of optimal. \(492\) vs. \(2(216)=432\).
Time = 2.04 (sec) , antiderivative size = 492, normalized size of antiderivative = 2.28, number of steps used = 15, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {6874, 653, 209, 652, 632, 212, 628} \[ \int \frac {\cos ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^3} \, dx=-\frac {3 b^4 \left (a^2+2 b^2\right ) \text {arctanh}\left (\frac {b-a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2+b^2}}\right )}{a^2 d \left (a^2+b^2\right )^{7/2}}+\frac {4 b^4 \left (3 a^2+2 b^2\right ) \text {arctanh}\left (\frac {b-a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2+b^2}}\right )}{a^2 d \left (a^2+b^2\right )^{7/2}}+\frac {2 \left (a \left (a^2-3 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )+b \left (3 a^2-b^2\right )\right )}{d \left (a^2+b^2\right )^3 \left (\tan ^2\left (\frac {1}{2} (c+d x)\right )+1\right )}-\frac {2 b^2 \left (6 a^4+3 a^2 b^2+b^4\right ) \text {arctanh}\left (\frac {b-a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2+b^2}}\right )}{a^2 d \left (a^2+b^2\right )^{7/2}}-\frac {3 b^4 \left (a^2+2 b^2\right ) \left (b-a \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 d \left (a^2+b^2\right )^3 \left (-a \tan ^2\left (\frac {1}{2} (c+d x)\right )+a+2 b \tan \left (\frac {1}{2} (c+d x)\right )\right )}+\frac {2 b^4 \left (\left (a^2+2 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )+a b\right )}{a^3 d \left (a^2+b^2\right )^2 \left (-a \tan ^2\left (\frac {1}{2} (c+d x)\right )+a+2 b \tan \left (\frac {1}{2} (c+d x)\right )\right )^2}-\frac {4 b^3 \left (2 a^4+a b \left (3 a^2+2 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )-b^4\right )}{a^3 d \left (a^2+b^2\right )^3 \left (-a \tan ^2\left (\frac {1}{2} (c+d x)\right )+a+2 b \tan \left (\frac {1}{2} (c+d x)\right )\right )} \]
[In]
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Rule 209
Rule 212
Rule 628
Rule 632
Rule 652
Rule 653
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \frac {2 \text {Subst}\left (\int \frac {\left (1-x^2\right )^4}{\left (1+x^2\right )^2 \left (a+2 b x-a x^2\right )^3} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{d} \\ & = \frac {2 \text {Subst}\left (\int \left (\frac {2 \left (a \left (a^2-3 b^2\right )-b \left (3 a^2-b^2\right ) x\right )}{\left (a^2+b^2\right )^3 \left (1+x^2\right )^2}-\frac {a \left (a^2-3 b^2\right )}{\left (a^2+b^2\right )^3 \left (1+x^2\right )}+\frac {4 b^3 \left (-b \left (a^2+b^2\right )-a \left (2 a^2+b^2\right ) x\right )}{a^3 \left (a^2+b^2\right )^2 \left (a+2 b x-a x^2\right )^2}-\frac {4 b^4 (a+2 b x)}{a^3 \left (a^2+b^2\right ) \left (-a-2 b x+a x^2\right )^3}-\frac {b^2 \left (6 a^4+3 a^2 b^2+b^4\right )}{a^2 \left (a^2+b^2\right )^3 \left (-a-2 b x+a x^2\right )}\right ) \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{d} \\ & = \frac {4 \text {Subst}\left (\int \frac {a \left (a^2-3 b^2\right )-b \left (3 a^2-b^2\right ) x}{\left (1+x^2\right )^2} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{\left (a^2+b^2\right )^3 d}-\frac {\left (2 a \left (a^2-3 b^2\right )\right ) \text {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{\left (a^2+b^2\right )^3 d}+\frac {\left (8 b^3\right ) \text {Subst}\left (\int \frac {-b \left (a^2+b^2\right )-a \left (2 a^2+b^2\right ) x}{\left (a+2 b x-a x^2\right )^2} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^2 d}-\frac {\left (8 b^4\right ) \text {Subst}\left (\int \frac {a+2 b x}{\left (-a-2 b x+a x^2\right )^3} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right ) d}-\frac {\left (2 b^2 \left (6 a^4+3 a^2 b^2+b^4\right )\right ) \text {Subst}\left (\int \frac {1}{-a-2 b x+a x^2} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^2 \left (a^2+b^2\right )^3 d} \\ & = -\frac {a \left (a^2-3 b^2\right ) x}{\left (a^2+b^2\right )^3}+\frac {2 \left (b \left (3 a^2-b^2\right )+a \left (a^2-3 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )\right )}{\left (a^2+b^2\right )^3 d \left (1+\tan ^2\left (\frac {1}{2} (c+d x)\right )\right )}+\frac {2 b^4 \left (a b+\left (a^2+2 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^2 d \left (a+2 b \tan \left (\frac {1}{2} (c+d x)\right )-a \tan ^2\left (\frac {1}{2} (c+d x)\right )\right )^2}-\frac {4 b^3 \left (2 a^4-b^4+a b \left (3 a^2+2 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^3 d \left (a+2 b \tan \left (\frac {1}{2} (c+d x)\right )-a \tan ^2\left (\frac {1}{2} (c+d x)\right )\right )}+\frac {\left (2 a \left (a^2-3 b^2\right )\right ) \text {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{\left (a^2+b^2\right )^3 d}+\frac {\left (6 b^4 \left (a^2+2 b^2\right )\right ) \text {Subst}\left (\int \frac {1}{\left (-a-2 b x+a x^2\right )^2} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^2 d}-\frac {\left (4 b^4 \left (3 a^2+2 b^2\right )\right ) \text {Subst}\left (\int \frac {1}{a+2 b x-a x^2} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^2 \left (a^2+b^2\right )^3 d}+\frac {\left (4 b^2 \left (6 a^4+3 a^2 b^2+b^4\right )\right ) \text {Subst}\left (\int \frac {1}{4 \left (a^2+b^2\right )-x^2} \, dx,x,-2 b+2 a \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^2 \left (a^2+b^2\right )^3 d} \\ & = -\frac {2 b^2 \left (6 a^4+3 a^2 b^2+b^4\right ) \text {arctanh}\left (\frac {b-a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2+b^2}}\right )}{a^2 \left (a^2+b^2\right )^{7/2} d}+\frac {2 \left (b \left (3 a^2-b^2\right )+a \left (a^2-3 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )\right )}{\left (a^2+b^2\right )^3 d \left (1+\tan ^2\left (\frac {1}{2} (c+d x)\right )\right )}+\frac {2 b^4 \left (a b+\left (a^2+2 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^2 d \left (a+2 b \tan \left (\frac {1}{2} (c+d x)\right )-a \tan ^2\left (\frac {1}{2} (c+d x)\right )\right )^2}-\frac {3 b^4 \left (a^2+2 b^2\right ) \left (b-a \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^3 d \left (a+2 b \tan \left (\frac {1}{2} (c+d x)\right )-a \tan ^2\left (\frac {1}{2} (c+d x)\right )\right )}-\frac {4 b^3 \left (2 a^4-b^4+a b \left (3 a^2+2 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^3 d \left (a+2 b \tan \left (\frac {1}{2} (c+d x)\right )-a \tan ^2\left (\frac {1}{2} (c+d x)\right )\right )}-\frac {\left (3 b^4 \left (a^2+2 b^2\right )\right ) \text {Subst}\left (\int \frac {1}{-a-2 b x+a x^2} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^2 \left (a^2+b^2\right )^3 d}+\frac {\left (8 b^4 \left (3 a^2+2 b^2\right )\right ) \text {Subst}\left (\int \frac {1}{4 \left (a^2+b^2\right )-x^2} \, dx,x,2 b-2 a \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^2 \left (a^2+b^2\right )^3 d} \\ & = \frac {4 b^4 \left (3 a^2+2 b^2\right ) \text {arctanh}\left (\frac {b-a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2+b^2}}\right )}{a^2 \left (a^2+b^2\right )^{7/2} d}-\frac {2 b^2 \left (6 a^4+3 a^2 b^2+b^4\right ) \text {arctanh}\left (\frac {b-a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2+b^2}}\right )}{a^2 \left (a^2+b^2\right )^{7/2} d}+\frac {2 \left (b \left (3 a^2-b^2\right )+a \left (a^2-3 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )\right )}{\left (a^2+b^2\right )^3 d \left (1+\tan ^2\left (\frac {1}{2} (c+d x)\right )\right )}+\frac {2 b^4 \left (a b+\left (a^2+2 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^2 d \left (a+2 b \tan \left (\frac {1}{2} (c+d x)\right )-a \tan ^2\left (\frac {1}{2} (c+d x)\right )\right )^2}-\frac {3 b^4 \left (a^2+2 b^2\right ) \left (b-a \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^3 d \left (a+2 b \tan \left (\frac {1}{2} (c+d x)\right )-a \tan ^2\left (\frac {1}{2} (c+d x)\right )\right )}-\frac {4 b^3 \left (2 a^4-b^4+a b \left (3 a^2+2 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^3 d \left (a+2 b \tan \left (\frac {1}{2} (c+d x)\right )-a \tan ^2\left (\frac {1}{2} (c+d x)\right )\right )}+\frac {\left (6 b^4 \left (a^2+2 b^2\right )\right ) \text {Subst}\left (\int \frac {1}{4 \left (a^2+b^2\right )-x^2} \, dx,x,-2 b+2 a \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^2 \left (a^2+b^2\right )^3 d} \\ & = -\frac {3 b^4 \left (a^2+2 b^2\right ) \text {arctanh}\left (\frac {b-a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2+b^2}}\right )}{a^2 \left (a^2+b^2\right )^{7/2} d}+\frac {4 b^4 \left (3 a^2+2 b^2\right ) \text {arctanh}\left (\frac {b-a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2+b^2}}\right )}{a^2 \left (a^2+b^2\right )^{7/2} d}-\frac {2 b^2 \left (6 a^4+3 a^2 b^2+b^4\right ) \text {arctanh}\left (\frac {b-a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2+b^2}}\right )}{a^2 \left (a^2+b^2\right )^{7/2} d}+\frac {2 \left (b \left (3 a^2-b^2\right )+a \left (a^2-3 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )\right )}{\left (a^2+b^2\right )^3 d \left (1+\tan ^2\left (\frac {1}{2} (c+d x)\right )\right )}+\frac {2 b^4 \left (a b+\left (a^2+2 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^2 d \left (a+2 b \tan \left (\frac {1}{2} (c+d x)\right )-a \tan ^2\left (\frac {1}{2} (c+d x)\right )\right )^2}-\frac {3 b^4 \left (a^2+2 b^2\right ) \left (b-a \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^3 d \left (a+2 b \tan \left (\frac {1}{2} (c+d x)\right )-a \tan ^2\left (\frac {1}{2} (c+d x)\right )\right )}-\frac {4 b^3 \left (2 a^4-b^4+a b \left (3 a^2+2 b^2\right ) \tan \left (\frac {1}{2} (c+d x)\right )\right )}{a^3 \left (a^2+b^2\right )^3 d \left (a+2 b \tan \left (\frac {1}{2} (c+d x)\right )-a \tan ^2\left (\frac {1}{2} (c+d x)\right )\right )} \\ \end{align*}
Result contains complex when optimal does not.
Time = 1.97 (sec) , antiderivative size = 211, normalized size of antiderivative = 0.98 \[ \int \frac {\cos ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^3} \, dx=\frac {-\frac {6 b^2 \left (-4 a^2+b^2\right ) \text {arctanh}\left (\frac {-b+a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2+b^2}}\right )}{\left (a^2+b^2\right )^{7/2}}-\frac {2 b \left (-3 a^2+b^2\right ) \cos (c+d x)}{\left (a^2+b^2\right )^3}+\frac {2 a \left (a^2-3 b^2\right ) \sin (c+d x)}{\left (a^2+b^2\right )^3}+\frac {b^4 \sin (c+d x)}{a (a-i b)^2 (a+i b)^2 (a \cos (c+d x)+b \sin (c+d x))^2}-\frac {b^3 \left (8 a^2+b^2\right )}{a \left (a^2+b^2\right )^3 (a \cos (c+d x)+b \sin (c+d x))}}{2 d} \]
[In]
[Out]
Time = 1.74 (sec) , antiderivative size = 283, normalized size of antiderivative = 1.31
method | result | size |
derivativedivides | \(\frac {-\frac {2 b^{2} \left (\frac {-\frac {b^{2} \left (9 a^{2}+2 b^{2}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{3}}{2 a}-\frac {b \left (8 a^{4}-15 a^{2} b^{2}-2 b^{4}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}}{2 a^{2}}+\frac {b^{2} \left (23 a^{2}+2 b^{2}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{2 a}+4 a^{2} b +\frac {b^{3}}{2}}{\left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2} a -2 b \tan \left (\frac {d x}{2}+\frac {c}{2}\right )-a \right )^{2}}-\frac {3 \left (4 a^{2}-b^{2}\right ) \operatorname {arctanh}\left (\frac {2 a \tan \left (\frac {d x}{2}+\frac {c}{2}\right )-2 b}{2 \sqrt {a^{2}+b^{2}}}\right )}{2 \sqrt {a^{2}+b^{2}}}\right )}{\left (a^{2}+b^{2}\right )^{3}}-\frac {2 \left (\left (-a^{3}+3 a \,b^{2}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )-3 a^{2} b +b^{3}\right )}{\left (a^{6}+3 a^{4} b^{2}+3 a^{2} b^{4}+b^{6}\right ) \left (1+\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}\right )}}{d}\) | \(283\) |
default | \(\frac {-\frac {2 b^{2} \left (\frac {-\frac {b^{2} \left (9 a^{2}+2 b^{2}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{3}}{2 a}-\frac {b \left (8 a^{4}-15 a^{2} b^{2}-2 b^{4}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}}{2 a^{2}}+\frac {b^{2} \left (23 a^{2}+2 b^{2}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{2 a}+4 a^{2} b +\frac {b^{3}}{2}}{\left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2} a -2 b \tan \left (\frac {d x}{2}+\frac {c}{2}\right )-a \right )^{2}}-\frac {3 \left (4 a^{2}-b^{2}\right ) \operatorname {arctanh}\left (\frac {2 a \tan \left (\frac {d x}{2}+\frac {c}{2}\right )-2 b}{2 \sqrt {a^{2}+b^{2}}}\right )}{2 \sqrt {a^{2}+b^{2}}}\right )}{\left (a^{2}+b^{2}\right )^{3}}-\frac {2 \left (\left (-a^{3}+3 a \,b^{2}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )-3 a^{2} b +b^{3}\right )}{\left (a^{6}+3 a^{4} b^{2}+3 a^{2} b^{4}+b^{6}\right ) \left (1+\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}\right )}}{d}\) | \(283\) |
risch | \(-\frac {i {\mathrm e}^{i \left (d x +c \right )}}{2 \left (-3 i b \,a^{2}+i b^{3}+a^{3}-3 a \,b^{2}\right ) d}+\frac {i {\mathrm e}^{-i \left (d x +c \right )}}{2 \left (3 i b \,a^{2}-i b^{3}+a^{3}-3 a \,b^{2}\right ) d}+\frac {b^{3} {\mathrm e}^{i \left (d x +c \right )} \left (-7 i a b \,{\mathrm e}^{2 i \left (d x +c \right )}+8 a^{2} {\mathrm e}^{2 i \left (d x +c \right )}+b^{2} {\mathrm e}^{2 i \left (d x +c \right )}+7 i b a +8 a^{2}+b^{2}\right )}{\left (-i a +b \right )^{3} \left (b \,{\mathrm e}^{2 i \left (d x +c \right )}+i a \,{\mathrm e}^{2 i \left (d x +c \right )}-b +i a \right )^{2} d \left (i a +b \right )^{3}}+\frac {6 b^{2} \ln \left ({\mathrm e}^{i \left (d x +c \right )}+\frac {i a^{7}+3 i a^{5} b^{2}+3 i a^{3} b^{4}+i a \,b^{6}-a^{6} b -3 a^{4} b^{3}-3 a^{2} b^{5}-b^{7}}{\left (a^{2}+b^{2}\right )^{\frac {7}{2}}}\right ) a^{2}}{\left (a^{2}+b^{2}\right )^{\frac {7}{2}} d}-\frac {3 b^{4} \ln \left ({\mathrm e}^{i \left (d x +c \right )}+\frac {i a^{7}+3 i a^{5} b^{2}+3 i a^{3} b^{4}+i a \,b^{6}-a^{6} b -3 a^{4} b^{3}-3 a^{2} b^{5}-b^{7}}{\left (a^{2}+b^{2}\right )^{\frac {7}{2}}}\right )}{2 \left (a^{2}+b^{2}\right )^{\frac {7}{2}} d}-\frac {6 b^{2} \ln \left ({\mathrm e}^{i \left (d x +c \right )}-\frac {i a^{7}+3 i a^{5} b^{2}+3 i a^{3} b^{4}+i a \,b^{6}-a^{6} b -3 a^{4} b^{3}-3 a^{2} b^{5}-b^{7}}{\left (a^{2}+b^{2}\right )^{\frac {7}{2}}}\right ) a^{2}}{\left (a^{2}+b^{2}\right )^{\frac {7}{2}} d}+\frac {3 b^{4} \ln \left ({\mathrm e}^{i \left (d x +c \right )}-\frac {i a^{7}+3 i a^{5} b^{2}+3 i a^{3} b^{4}+i a \,b^{6}-a^{6} b -3 a^{4} b^{3}-3 a^{2} b^{5}-b^{7}}{\left (a^{2}+b^{2}\right )^{\frac {7}{2}}}\right )}{2 \left (a^{2}+b^{2}\right )^{\frac {7}{2}} d}\) | \(611\) |
[In]
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Leaf count of result is larger than twice the leaf count of optimal. 480 vs. \(2 (209) = 418\).
Time = 0.29 (sec) , antiderivative size = 480, normalized size of antiderivative = 2.22 \[ \int \frac {\cos ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^3} \, dx=\frac {4 \, {\left (a^{6} b + 3 \, a^{4} b^{3} + 3 \, a^{2} b^{5} + b^{7}\right )} \cos \left (d x + c\right )^{3} - 3 \, {\left (4 \, a^{2} b^{4} - b^{6} + {\left (4 \, a^{4} b^{2} - 5 \, a^{2} b^{4} + b^{6}\right )} \cos \left (d x + c\right )^{2} + 2 \, {\left (4 \, a^{3} b^{3} - a b^{5}\right )} \cos \left (d x + c\right ) \sin \left (d x + c\right )\right )} \sqrt {a^{2} + b^{2}} \log \left (\frac {2 \, a b \cos \left (d x + c\right ) \sin \left (d x + c\right ) + {\left (a^{2} - b^{2}\right )} \cos \left (d x + c\right )^{2} - 2 \, a^{2} - b^{2} - 2 \, \sqrt {a^{2} + b^{2}} {\left (b \cos \left (d x + c\right ) - a \sin \left (d x + c\right )\right )}}{2 \, a b \cos \left (d x + c\right ) \sin \left (d x + c\right ) + {\left (a^{2} - b^{2}\right )} \cos \left (d x + c\right )^{2} + b^{2}}\right ) + 2 \, {\left (4 \, a^{6} b - 10 \, a^{4} b^{3} - 17 \, a^{2} b^{5} - 3 \, b^{7}\right )} \cos \left (d x + c\right ) + 2 \, {\left (2 \, a^{5} b^{2} - 11 \, a^{3} b^{4} - 13 \, a b^{6} + 2 \, {\left (a^{7} + 3 \, a^{5} b^{2} + 3 \, a^{3} b^{4} + a b^{6}\right )} \cos \left (d x + c\right )^{2}\right )} \sin \left (d x + c\right )}{4 \, {\left ({\left (a^{10} + 3 \, a^{8} b^{2} + 2 \, a^{6} b^{4} - 2 \, a^{4} b^{6} - 3 \, a^{2} b^{8} - b^{10}\right )} d \cos \left (d x + c\right )^{2} + 2 \, {\left (a^{9} b + 4 \, a^{7} b^{3} + 6 \, a^{5} b^{5} + 4 \, a^{3} b^{7} + a b^{9}\right )} d \cos \left (d x + c\right ) \sin \left (d x + c\right ) + {\left (a^{8} b^{2} + 4 \, a^{6} b^{4} + 6 \, a^{4} b^{6} + 4 \, a^{2} b^{8} + b^{10}\right )} d\right )}} \]
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Timed out. \[ \int \frac {\cos ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^3} \, dx=\text {Timed out} \]
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Leaf count of result is larger than twice the leaf count of optimal. 658 vs. \(2 (209) = 418\).
Time = 0.33 (sec) , antiderivative size = 658, normalized size of antiderivative = 3.05 \[ \int \frac {\cos ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^3} \, dx=-\frac {\frac {3 \, {\left (4 \, a^{2} b^{2} - b^{4}\right )} \log \left (\frac {b - \frac {a \sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} + \sqrt {a^{2} + b^{2}}}{b - \frac {a \sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} - \sqrt {a^{2} + b^{2}}}\right )}{{\left (a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}\right )} \sqrt {a^{2} + b^{2}}} - \frac {2 \, {\left (6 \, a^{6} b - 10 \, a^{4} b^{3} - a^{2} b^{5} + \frac {{\left (2 \, a^{7} + 18 \, a^{5} b^{2} - 31 \, a^{3} b^{4} - 2 \, a b^{6}\right )} \sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} - \frac {2 \, {\left (2 \, a^{6} b - 2 \, a^{4} b^{3} + 12 \, a^{2} b^{5} + b^{7}\right )} \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} - \frac {2 \, {\left (2 \, a^{7} + 2 \, a^{5} b^{2} + 15 \, a^{3} b^{4}\right )} \sin \left (d x + c\right )^{3}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{3}} - \frac {{\left (2 \, a^{6} b - 30 \, a^{4} b^{3} + 15 \, a^{2} b^{5} + 2 \, b^{7}\right )} \sin \left (d x + c\right )^{4}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{4}} + \frac {{\left (2 \, a^{7} - 6 \, a^{5} b^{2} + 9 \, a^{3} b^{4} + 2 \, a b^{6}\right )} \sin \left (d x + c\right )^{5}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{5}}\right )}}{a^{10} + 3 \, a^{8} b^{2} + 3 \, a^{6} b^{4} + a^{4} b^{6} + \frac {4 \, {\left (a^{9} b + 3 \, a^{7} b^{3} + 3 \, a^{5} b^{5} + a^{3} b^{7}\right )} \sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} - \frac {{\left (a^{10} - a^{8} b^{2} - 9 \, a^{6} b^{4} - 11 \, a^{4} b^{6} - 4 \, a^{2} b^{8}\right )} \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} - \frac {{\left (a^{10} - a^{8} b^{2} - 9 \, a^{6} b^{4} - 11 \, a^{4} b^{6} - 4 \, a^{2} b^{8}\right )} \sin \left (d x + c\right )^{4}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{4}} - \frac {4 \, {\left (a^{9} b + 3 \, a^{7} b^{3} + 3 \, a^{5} b^{5} + a^{3} b^{7}\right )} \sin \left (d x + c\right )^{5}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{5}} + \frac {{\left (a^{10} + 3 \, a^{8} b^{2} + 3 \, a^{6} b^{4} + a^{4} b^{6}\right )} \sin \left (d x + c\right )^{6}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{6}}}}{2 \, d} \]
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Time = 0.42 (sec) , antiderivative size = 399, normalized size of antiderivative = 1.85 \[ \int \frac {\cos ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^3} \, dx=-\frac {\frac {3 \, {\left (4 \, a^{2} b^{2} - b^{4}\right )} \log \left (\frac {{\left | 2 \, a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 2 \, b - 2 \, \sqrt {a^{2} + b^{2}} \right |}}{{\left | 2 \, a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 2 \, b + 2 \, \sqrt {a^{2} + b^{2}} \right |}}\right )}{{\left (a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}\right )} \sqrt {a^{2} + b^{2}}} - \frac {4 \, {\left (a^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 3 \, a b^{2} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 3 \, a^{2} b - b^{3}\right )}}{{\left (a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}\right )} {\left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 1\right )}} - \frac {2 \, {\left (9 \, a^{3} b^{4} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} + 2 \, a b^{6} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} + 8 \, a^{4} b^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 15 \, a^{2} b^{5} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 2 \, b^{7} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 23 \, a^{3} b^{4} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 2 \, a b^{6} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 8 \, a^{4} b^{3} - a^{2} b^{5}\right )}}{{\left (a^{8} + 3 \, a^{6} b^{2} + 3 \, a^{4} b^{4} + a^{2} b^{6}\right )} {\left (a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 2 \, b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - a\right )}^{2}}}{2 \, d} \]
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Time = 26.66 (sec) , antiderivative size = 610, normalized size of antiderivative = 2.82 \[ \int \frac {\cos ^4(c+d x)}{(a \cos (c+d x)+b \sin (c+d x))^3} \, dx=-\frac {\frac {-6\,a^4\,b+10\,a^2\,b^3+b^5}{a^6+3\,a^4\,b^2+3\,a^2\,b^4+b^6}+\frac {2\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^3\,\left (2\,a^5+2\,a^3\,b^2+15\,a\,b^4\right )}{a^6+3\,a^4\,b^2+3\,a^2\,b^4+b^6}+\frac {{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4\,\left (2\,a^6\,b-30\,a^4\,b^3+15\,a^2\,b^5+2\,b^7\right )}{a^2\,\left (a^6+3\,a^4\,b^2+3\,a^2\,b^4+b^6\right )}-\frac {\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\,\left (2\,a^6+18\,a^4\,b^2-31\,a^2\,b^4-2\,b^6\right )}{a\,\left (a^6+3\,a^4\,b^2+3\,a^2\,b^4+b^6\right )}-\frac {{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^5\,\left (2\,a^6-6\,a^4\,b^2+9\,a^2\,b^4+2\,b^6\right )}{a\,\left (a^6+3\,a^4\,b^2+3\,a^2\,b^4+b^6\right )}+\frac {2\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2\,\left (2\,a^6\,b-2\,a^4\,b^3+12\,a^2\,b^5+b^7\right )}{a^2\,\left (a^6+3\,a^4\,b^2+3\,a^2\,b^4+b^6\right )}}{d\,\left (a^2\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^6+a^2-{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2\,\left (a^2-4\,b^2\right )-{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4\,\left (a^2-4\,b^2\right )-4\,a\,b\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^5+4\,a\,b\,\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\right )}-\frac {\mathrm {atan}\left (\frac {-1{}\mathrm {i}\,\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\,a^7+a^6\,b\,1{}\mathrm {i}-3{}\mathrm {i}\,\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\,a^5\,b^2+a^4\,b^3\,3{}\mathrm {i}-3{}\mathrm {i}\,\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\,a^3\,b^4+a^2\,b^5\,3{}\mathrm {i}-1{}\mathrm {i}\,\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\,a\,b^6+b^7\,1{}\mathrm {i}}{{\left (a^2+b^2\right )}^{7/2}}\right )\,\left (3\,b^4-12\,a^2\,b^2\right )\,1{}\mathrm {i}}{d\,{\left (a^2+b^2\right )}^{7/2}} \]
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