Integrand size = 29, antiderivative size = 52 \[ \int \cos ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {1}{2} (a A+2 b B) x+\frac {(A b+a B) \sin (c+d x)}{d}+\frac {a A \cos (c+d x) \sin (c+d x)}{2 d} \]
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Time = 0.10 (sec) , antiderivative size = 52, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.138, Rules used = {4081, 3872, 2717, 8} \[ \int \cos ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {(a B+A b) \sin (c+d x)}{d}+\frac {1}{2} x (a A+2 b B)+\frac {a A \sin (c+d x) \cos (c+d x)}{2 d} \]
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Rule 8
Rule 2717
Rule 3872
Rule 4081
Rubi steps \begin{align*} \text {integral}& = \frac {a A \cos (c+d x) \sin (c+d x)}{2 d}-\frac {1}{2} \int \cos (c+d x) (-2 (A b+a B)-(a A+2 b B) \sec (c+d x)) \, dx \\ & = \frac {a A \cos (c+d x) \sin (c+d x)}{2 d}-(-A b-a B) \int \cos (c+d x) \, dx-\frac {1}{2} (-a A-2 b B) \int 1 \, dx \\ & = \frac {1}{2} (a A+2 b B) x+\frac {(A b+a B) \sin (c+d x)}{d}+\frac {a A \cos (c+d x) \sin (c+d x)}{2 d} \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 51, normalized size of antiderivative = 0.98 \[ \int \cos ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {2 a A c+2 a A d x+4 b B d x+4 (A b+a B) \sin (c+d x)+a A \sin (2 (c+d x))}{4 d} \]
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Time = 0.82 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.90
method | result | size |
parallelrisch | \(\frac {a A \sin \left (2 d x +2 c \right )+\left (4 A b +4 B a \right ) \sin \left (d x +c \right )+2 \left (a A +2 B b \right ) x d}{4 d}\) | \(47\) |
risch | \(\frac {a A x}{2}+x B b +\frac {\sin \left (d x +c \right ) A b}{d}+\frac {\sin \left (d x +c \right ) B a}{d}+\frac {a A \sin \left (2 d x +2 c \right )}{4 d}\) | \(51\) |
derivativedivides | \(\frac {a A \left (\frac {\cos \left (d x +c \right ) \sin \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )+A b \sin \left (d x +c \right )+B a \sin \left (d x +c \right )+B b \left (d x +c \right )}{d}\) | \(57\) |
default | \(\frac {a A \left (\frac {\cos \left (d x +c \right ) \sin \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )+A b \sin \left (d x +c \right )+B a \sin \left (d x +c \right )+B b \left (d x +c \right )}{d}\) | \(57\) |
norman | \(\frac {\left (-\frac {a A}{2}-B b \right ) x +\left (-\frac {a A}{2}-B b \right ) x \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}+\left (\frac {a A}{2}+B b \right ) x \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{4}+\left (\frac {a A}{2}+B b \right ) x \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{6}-\frac {\left (a A -2 A b -2 B a \right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{5}}{d}-\frac {\left (a A +2 A b +2 B a \right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{d}+\frac {2 a A \tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{3}}{d}}{\left (1+\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}\right )^{2} \left (-1+\tan \left (\frac {d x}{2}+\frac {c}{2}\right )^{2}\right )}\) | \(180\) |
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Time = 0.28 (sec) , antiderivative size = 42, normalized size of antiderivative = 0.81 \[ \int \cos ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {{\left (A a + 2 \, B b\right )} d x + {\left (A a \cos \left (d x + c\right ) + 2 \, B a + 2 \, A b\right )} \sin \left (d x + c\right )}{2 \, d} \]
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\[ \int \cos ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\int \left (A + B \sec {\left (c + d x \right )}\right ) \left (a + b \sec {\left (c + d x \right )}\right ) \cos ^{2}{\left (c + d x \right )}\, dx \]
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Time = 0.19 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.06 \[ \int \cos ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {{\left (2 \, d x + 2 \, c + \sin \left (2 \, d x + 2 \, c\right )\right )} A a + 4 \, {\left (d x + c\right )} B b + 4 \, B a \sin \left (d x + c\right ) + 4 \, A b \sin \left (d x + c\right )}{4 \, d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 121 vs. \(2 (48) = 96\).
Time = 0.30 (sec) , antiderivative size = 121, normalized size of antiderivative = 2.33 \[ \int \cos ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {{\left (A a + 2 \, B b\right )} {\left (d x + c\right )} - \frac {2 \, {\left (A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 2 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 2 \, A b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 2 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 2 \, A b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right )}}{{\left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 1\right )}^{2}}}{2 \, d} \]
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Time = 14.75 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.96 \[ \int \cos ^2(c+d x) (a+b \sec (c+d x)) (A+B \sec (c+d x)) \, dx=\frac {A\,a\,x}{2}+B\,b\,x+\frac {A\,b\,\sin \left (c+d\,x\right )}{d}+\frac {B\,a\,\sin \left (c+d\,x\right )}{d}+\frac {A\,a\,\sin \left (2\,c+2\,d\,x\right )}{4\,d} \]
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