Integrand size = 40, antiderivative size = 60 \[ \int \cos ^2(c+d x) (a+b \sec (c+d x))^2 \left (B \sec (c+d x)+C \sec ^2(c+d x)\right ) \, dx=a (2 b B+a C) x+\frac {b (b B+2 a C) \text {arctanh}(\sin (c+d x))}{d}+\frac {a^2 B \sin (c+d x)}{d}+\frac {b^2 C \tan (c+d x)}{d} \]
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Time = 0.20 (sec) , antiderivative size = 60, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {4157, 4109, 3855, 3852, 8} \[ \int \cos ^2(c+d x) (a+b \sec (c+d x))^2 \left (B \sec (c+d x)+C \sec ^2(c+d x)\right ) \, dx=\frac {a^2 B \sin (c+d x)}{d}+\frac {b (2 a C+b B) \text {arctanh}(\sin (c+d x))}{d}+a x (a C+2 b B)+\frac {b^2 C \tan (c+d x)}{d} \]
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Rule 8
Rule 3852
Rule 3855
Rule 4109
Rule 4157
Rubi steps \begin{align*} \text {integral}& = \int \cos (c+d x) (a+b \sec (c+d x))^2 (B+C \sec (c+d x)) \, dx \\ & = \frac {a^2 B \sin (c+d x)}{d}-\int \left (-a (2 b B+a C)+\left (-b^2 B-2 a b C\right ) \sec (c+d x)-b^2 C \sec ^2(c+d x)\right ) \, dx \\ & = a (2 b B+a C) x+\frac {a^2 B \sin (c+d x)}{d}+\left (b^2 C\right ) \int \sec ^2(c+d x) \, dx+(b (b B+2 a C)) \int \sec (c+d x) \, dx \\ & = a (2 b B+a C) x+\frac {b (b B+2 a C) \text {arctanh}(\sin (c+d x))}{d}+\frac {a^2 B \sin (c+d x)}{d}-\frac {\left (b^2 C\right ) \text {Subst}(\int 1 \, dx,x,-\tan (c+d x))}{d} \\ & = a (2 b B+a C) x+\frac {b (b B+2 a C) \text {arctanh}(\sin (c+d x))}{d}+\frac {a^2 B \sin (c+d x)}{d}+\frac {b^2 C \tan (c+d x)}{d} \\ \end{align*}
Time = 1.81 (sec) , antiderivative size = 109, normalized size of antiderivative = 1.82 \[ \int \cos ^2(c+d x) (a+b \sec (c+d x))^2 \left (B \sec (c+d x)+C \sec ^2(c+d x)\right ) \, dx=\frac {a (2 b B+a C) (c+d x)-b (b B+2 a C) \log \left (\cos \left (\frac {1}{2} (c+d x)\right )-\sin \left (\frac {1}{2} (c+d x)\right )\right )+b (b B+2 a C) \log \left (\cos \left (\frac {1}{2} (c+d x)\right )+\sin \left (\frac {1}{2} (c+d x)\right )\right )+a^2 B \sin (c+d x)+b^2 C \tan (c+d x)}{d} \]
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Time = 0.45 (sec) , antiderivative size = 86, normalized size of antiderivative = 1.43
method | result | size |
derivativedivides | \(\frac {B \,a^{2} \sin \left (d x +c \right )+C \,a^{2} \left (d x +c \right )+2 B a b \left (d x +c \right )+2 C a b \ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )+B \,b^{2} \ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )+C \,b^{2} \tan \left (d x +c \right )}{d}\) | \(86\) |
default | \(\frac {B \,a^{2} \sin \left (d x +c \right )+C \,a^{2} \left (d x +c \right )+2 B a b \left (d x +c \right )+2 C a b \ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )+B \,b^{2} \ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )+C \,b^{2} \tan \left (d x +c \right )}{d}\) | \(86\) |
parallelrisch | \(\frac {-2 b \cos \left (d x +c \right ) \left (B b +2 C a \right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )+2 b \cos \left (d x +c \right ) \left (B b +2 C a \right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )+B \,a^{2} \sin \left (2 d x +2 c \right )+4 a x d \left (B b +\frac {C a}{2}\right ) \cos \left (d x +c \right )+2 C \sin \left (d x +c \right ) b^{2}}{2 d \cos \left (d x +c \right )}\) | \(118\) |
risch | \(2 B a b x +a^{2} x C -\frac {i B \,a^{2} {\mathrm e}^{i \left (d x +c \right )}}{2 d}+\frac {i B \,a^{2} {\mathrm e}^{-i \left (d x +c \right )}}{2 d}+\frac {2 i C \,b^{2}}{d \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )}-\frac {\ln \left ({\mathrm e}^{i \left (d x +c \right )}-i\right ) B \,b^{2}}{d}-\frac {2 a b \ln \left ({\mathrm e}^{i \left (d x +c \right )}-i\right ) C}{d}+\frac {\ln \left ({\mathrm e}^{i \left (d x +c \right )}+i\right ) B \,b^{2}}{d}+\frac {2 a b \ln \left ({\mathrm e}^{i \left (d x +c \right )}+i\right ) C}{d}\) | \(160\) |
norman | \(\frac {\left (-2 B a b -C \,a^{2}\right ) x +\left (-4 B a b -2 C \,a^{2}\right ) x \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{6}+\left (-2 B a b -C \,a^{2}\right ) x \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{8}+\left (2 B a b +C \,a^{2}\right ) x \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}+\left (2 B a b +C \,a^{2}\right ) x \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{10}+\left (4 B a b +2 C \,a^{2}\right ) x \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{4}+\frac {2 \left (B \,a^{2}-C \,b^{2}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{9}}{d}-\frac {2 \left (B \,a^{2}+C \,b^{2}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{d}+\frac {4 B \,a^{2} \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{3}}{d}-\frac {4 B \,a^{2} \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{7}}{d}+\frac {4 C \,b^{2} \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{5}}{d}}{\left (1+\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}\right )^{2} \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}-1\right )^{3}}+\frac {b \left (B b +2 C a \right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )}{d}-\frac {b \left (B b +2 C a \right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )}{d}\) | \(335\) |
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Time = 0.28 (sec) , antiderivative size = 117, normalized size of antiderivative = 1.95 \[ \int \cos ^2(c+d x) (a+b \sec (c+d x))^2 \left (B \sec (c+d x)+C \sec ^2(c+d x)\right ) \, dx=\frac {2 \, {\left (C a^{2} + 2 \, B a b\right )} d x \cos \left (d x + c\right ) + {\left (2 \, C a b + B b^{2}\right )} \cos \left (d x + c\right ) \log \left (\sin \left (d x + c\right ) + 1\right ) - {\left (2 \, C a b + B b^{2}\right )} \cos \left (d x + c\right ) \log \left (-\sin \left (d x + c\right ) + 1\right ) + 2 \, {\left (B a^{2} \cos \left (d x + c\right ) + C b^{2}\right )} \sin \left (d x + c\right )}{2 \, d \cos \left (d x + c\right )} \]
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\[ \int \cos ^2(c+d x) (a+b \sec (c+d x))^2 \left (B \sec (c+d x)+C \sec ^2(c+d x)\right ) \, dx=\int \left (B + C \sec {\left (c + d x \right )}\right ) \left (a + b \sec {\left (c + d x \right )}\right )^{2} \cos ^{2}{\left (c + d x \right )} \sec {\left (c + d x \right )}\, dx \]
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Time = 0.26 (sec) , antiderivative size = 103, normalized size of antiderivative = 1.72 \[ \int \cos ^2(c+d x) (a+b \sec (c+d x))^2 \left (B \sec (c+d x)+C \sec ^2(c+d x)\right ) \, dx=\frac {2 \, {\left (d x + c\right )} C a^{2} + 4 \, {\left (d x + c\right )} B a b + 2 \, C a b {\left (\log \left (\sin \left (d x + c\right ) + 1\right ) - \log \left (\sin \left (d x + c\right ) - 1\right )\right )} + B b^{2} {\left (\log \left (\sin \left (d x + c\right ) + 1\right ) - \log \left (\sin \left (d x + c\right ) - 1\right )\right )} + 2 \, B a^{2} \sin \left (d x + c\right ) + 2 \, C b^{2} \tan \left (d x + c\right )}{2 \, d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 154 vs. \(2 (60) = 120\).
Time = 0.34 (sec) , antiderivative size = 154, normalized size of antiderivative = 2.57 \[ \int \cos ^2(c+d x) (a+b \sec (c+d x))^2 \left (B \sec (c+d x)+C \sec ^2(c+d x)\right ) \, dx=\frac {{\left (C a^{2} + 2 \, B a b\right )} {\left (d x + c\right )} + {\left (2 \, C a b + B b^{2}\right )} \log \left ({\left | \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 1 \right |}\right ) - {\left (2 \, C a b + B b^{2}\right )} \log \left ({\left | \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 1 \right |}\right ) + \frac {2 \, {\left (B a^{2} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - C b^{2} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - B a^{2} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - C b^{2} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right )}}{\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{4} - 1}}{d} \]
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Time = 17.30 (sec) , antiderivative size = 163, normalized size of antiderivative = 2.72 \[ \int \cos ^2(c+d x) (a+b \sec (c+d x))^2 \left (B \sec (c+d x)+C \sec ^2(c+d x)\right ) \, dx=\frac {C\,b^2\,\mathrm {tan}\left (c+d\,x\right )}{d}+\frac {2\,C\,a^2\,\mathrm {atan}\left (\frac {\sin \left (\frac {c}{2}+\frac {d\,x}{2}\right )}{\cos \left (\frac {c}{2}+\frac {d\,x}{2}\right )}\right )}{d}+\frac {2\,B\,b^2\,\mathrm {atanh}\left (\frac {\sin \left (\frac {c}{2}+\frac {d\,x}{2}\right )}{\cos \left (\frac {c}{2}+\frac {d\,x}{2}\right )}\right )}{d}+\frac {B\,a^2\,\sin \left (2\,c+2\,d\,x\right )}{2\,d\,\cos \left (c+d\,x\right )}+\frac {4\,B\,a\,b\,\mathrm {atan}\left (\frac {\sin \left (\frac {c}{2}+\frac {d\,x}{2}\right )}{\cos \left (\frac {c}{2}+\frac {d\,x}{2}\right )}\right )}{d}+\frac {4\,C\,a\,b\,\mathrm {atanh}\left (\frac {\sin \left (\frac {c}{2}+\frac {d\,x}{2}\right )}{\cos \left (\frac {c}{2}+\frac {d\,x}{2}\right )}\right )}{d} \]
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