Integrand size = 29, antiderivative size = 50 \[ \int \sec ^4(c+d x) (a+a \sin (c+d x)) (A+B \sin (c+d x)) \, dx=\frac {(A+B) \sec ^3(c+d x) (a+a \sin (c+d x))}{3 d}+\frac {a (2 A-B) \tan (c+d x)}{3 d} \]
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Time = 0.05 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.103, Rules used = {2934, 3852, 8} \[ \int \sec ^4(c+d x) (a+a \sin (c+d x)) (A+B \sin (c+d x)) \, dx=\frac {a (2 A-B) \tan (c+d x)}{3 d}+\frac {(A+B) \sec ^3(c+d x) (a \sin (c+d x)+a)}{3 d} \]
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Rule 8
Rule 2934
Rule 3852
Rubi steps \begin{align*} \text {integral}& = \frac {(A+B) \sec ^3(c+d x) (a+a \sin (c+d x))}{3 d}+\frac {1}{3} (a (2 A-B)) \int \sec ^2(c+d x) \, dx \\ & = \frac {(A+B) \sec ^3(c+d x) (a+a \sin (c+d x))}{3 d}-\frac {(a (2 A-B)) \text {Subst}(\int 1 \, dx,x,-\tan (c+d x))}{3 d} \\ & = \frac {(A+B) \sec ^3(c+d x) (a+a \sin (c+d x))}{3 d}+\frac {a (2 A-B) \tan (c+d x)}{3 d} \\ \end{align*}
Time = 0.45 (sec) , antiderivative size = 86, normalized size of antiderivative = 1.72 \[ \int \sec ^4(c+d x) (a+a \sin (c+d x)) (A+B \sin (c+d x)) \, dx=a \left (\frac {A \sec ^3(c+d x)}{3 d}+\frac {B \sec ^3(c+d x)}{3 d}+\frac {A \sec ^2(c+d x) \tan (c+d x)}{d}-\frac {2 A \tan ^3(c+d x)}{3 d}+\frac {B \tan ^3(c+d x)}{3 d}\right ) \]
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Time = 0.40 (sec) , antiderivative size = 72, normalized size of antiderivative = 1.44
method | result | size |
derivativedivides | \(\frac {\frac {a A}{3 \cos \left (d x +c \right )^{3}}+\frac {B a \left (\sin ^{3}\left (d x +c \right )\right )}{3 \cos \left (d x +c \right )^{3}}-a A \left (-\frac {2}{3}-\frac {\left (\sec ^{2}\left (d x +c \right )\right )}{3}\right ) \tan \left (d x +c \right )+\frac {B a}{3 \cos \left (d x +c \right )^{3}}}{d}\) | \(72\) |
default | \(\frac {\frac {a A}{3 \cos \left (d x +c \right )^{3}}+\frac {B a \left (\sin ^{3}\left (d x +c \right )\right )}{3 \cos \left (d x +c \right )^{3}}-a A \left (-\frac {2}{3}-\frac {\left (\sec ^{2}\left (d x +c \right )\right )}{3}\right ) \tan \left (d x +c \right )+\frac {B a}{3 \cos \left (d x +c \right )^{3}}}{d}\) | \(72\) |
risch | \(-\frac {2 i a \left (4 i A \,{\mathrm e}^{i \left (d x +c \right )}-2 i B \,{\mathrm e}^{i \left (d x +c \right )}+3 B \,{\mathrm e}^{2 i \left (d x +c \right )}+2 A -B \right )}{3 \left ({\mathrm e}^{i \left (d x +c \right )}+i\right ) \left ({\mathrm e}^{i \left (d x +c \right )}-i\right )^{3} d}\) | \(81\) |
parallelrisch | \(-\frac {\left (A \left (\tan ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+2 \left (-A +B \right ) \left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\frac {4 \left (2 A -B \right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{3}-\frac {A}{3}+\frac {2 B}{3}\right ) a}{d \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right ) \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )^{3}}\) | \(89\) |
norman | \(\frac {-\frac {2 a A +2 B a}{3 d}-\frac {2 \left (2 a A +2 B a \right ) \left (\tan ^{6}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}-\frac {\left (2 a A +2 B a \right ) \left (\tan ^{8}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}-\frac {\left (4 a A +4 B a \right ) \left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{3 d}-\frac {2 \left (4 a A +4 B a \right ) \left (\tan ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{3 d}-\frac {2 a A \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{d}-\frac {2 a A \left (\tan ^{9}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}-\frac {4 a \left (A +4 B \right ) \left (\tan ^{5}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{3 d}-\frac {8 \left (A +B \right ) a \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{3 d}-\frac {8 \left (A +B \right ) a \left (\tan ^{7}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{3 d}}{\left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )^{3} \left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )^{2}}\) | \(243\) |
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Time = 0.28 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.38 \[ \int \sec ^4(c+d x) (a+a \sin (c+d x)) (A+B \sin (c+d x)) \, dx=-\frac {{\left (2 \, A - B\right )} a \cos \left (d x + c\right )^{2} + {\left (2 \, A - B\right )} a \sin \left (d x + c\right ) - {\left (A - 2 \, B\right )} a}{3 \, {\left (d \cos \left (d x + c\right ) \sin \left (d x + c\right ) - d \cos \left (d x + c\right )\right )}} \]
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\[ \int \sec ^4(c+d x) (a+a \sin (c+d x)) (A+B \sin (c+d x)) \, dx=a \left (\int A \sec ^{4}{\left (c + d x \right )}\, dx + \int A \sin {\left (c + d x \right )} \sec ^{4}{\left (c + d x \right )}\, dx + \int B \sin {\left (c + d x \right )} \sec ^{4}{\left (c + d x \right )}\, dx + \int B \sin ^{2}{\left (c + d x \right )} \sec ^{4}{\left (c + d x \right )}\, dx\right ) \]
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Time = 0.21 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.18 \[ \int \sec ^4(c+d x) (a+a \sin (c+d x)) (A+B \sin (c+d x)) \, dx=\frac {B a \tan \left (d x + c\right )^{3} + {\left (\tan \left (d x + c\right )^{3} + 3 \, \tan \left (d x + c\right )\right )} A a + \frac {A a}{\cos \left (d x + c\right )^{3}} + \frac {B a}{\cos \left (d x + c\right )^{3}}}{3 \, d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 94 vs. \(2 (46) = 92\).
Time = 0.31 (sec) , antiderivative size = 94, normalized size of antiderivative = 1.88 \[ \int \sec ^4(c+d x) (a+a \sin (c+d x)) (A+B \sin (c+d x)) \, dx=-\frac {\frac {3 \, {\left (A a - B a\right )}}{\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 1} + \frac {9 \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 3 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 12 \, A a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 7 \, A a + B a}{{\left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 1\right )}^{3}}}{6 \, d} \]
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Time = 11.29 (sec) , antiderivative size = 107, normalized size of antiderivative = 2.14 \[ \int \sec ^4(c+d x) (a+a \sin (c+d x)) (A+B \sin (c+d x)) \, dx=\frac {\frac {2\,a\,\left (\frac {3\,B}{2}+A\,\cos \left (c+d\,x\right )+B\,\cos \left (c+d\,x\right )+2\,A\,\sin \left (c+d\,x\right )-B\,\sin \left (c+d\,x\right )+A\,\cos \left (2\,c+2\,d\,x\right )-\frac {B\,\cos \left (2\,c+2\,d\,x\right )}{2}\right )}{3}-\frac {4\,a\,\cos \left (c+d\,x\right )\,\left (\frac {A}{2}+\frac {B}{2}\right )}{3}}{d\,\left (2\,\cos \left (c+d\,x\right )-\sin \left (2\,c+2\,d\,x\right )\right )} \]
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