Integrand size = 27, antiderivative size = 142 \[ \int \frac {\sec (c+d x) \tan ^3(c+d x)}{a+b \sin (c+d x)} \, dx=-\frac {2 a^3 b \arctan \left (\frac {b+a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2-b^2}}\right )}{\left (a^2-b^2\right )^{5/2} d}+\frac {a \sec ^3(c+d x)}{3 \left (a^2-b^2\right ) d}-\frac {a^2 \sec (c+d x) (a-b \sin (c+d x))}{\left (a^2-b^2\right )^2 d}-\frac {b \tan ^3(c+d x)}{3 \left (a^2-b^2\right ) d} \]
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Time = 0.31 (sec) , antiderivative size = 142, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {2981, 2686, 30, 2687, 2945, 12, 2739, 632, 210} \[ \int \frac {\sec (c+d x) \tan ^3(c+d x)}{a+b \sin (c+d x)} \, dx=-\frac {b \tan ^3(c+d x)}{3 d \left (a^2-b^2\right )}+\frac {a \sec ^3(c+d x)}{3 d \left (a^2-b^2\right )}-\frac {a^2 \sec (c+d x) (a-b \sin (c+d x))}{d \left (a^2-b^2\right )^2}-\frac {2 a^3 b \arctan \left (\frac {a \tan \left (\frac {1}{2} (c+d x)\right )+b}{\sqrt {a^2-b^2}}\right )}{d \left (a^2-b^2\right )^{5/2}} \]
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Rule 12
Rule 30
Rule 210
Rule 632
Rule 2686
Rule 2687
Rule 2739
Rule 2945
Rule 2981
Rubi steps \begin{align*} \text {integral}& = \frac {a \int \sec ^3(c+d x) \tan (c+d x) \, dx}{a^2-b^2}-\frac {a^2 \int \frac {\sec (c+d x) \tan (c+d x)}{a+b \sin (c+d x)} \, dx}{a^2-b^2}-\frac {b \int \sec ^2(c+d x) \tan ^2(c+d x) \, dx}{a^2-b^2} \\ & = -\frac {a^2 \sec (c+d x) (a-b \sin (c+d x))}{\left (a^2-b^2\right )^2 d}-\frac {a^2 \int \frac {a b}{a+b \sin (c+d x)} \, dx}{\left (a^2-b^2\right )^2}+\frac {a \text {Subst}\left (\int x^2 \, dx,x,\sec (c+d x)\right )}{\left (a^2-b^2\right ) d}-\frac {b \text {Subst}\left (\int x^2 \, dx,x,\tan (c+d x)\right )}{\left (a^2-b^2\right ) d} \\ & = \frac {a \sec ^3(c+d x)}{3 \left (a^2-b^2\right ) d}-\frac {a^2 \sec (c+d x) (a-b \sin (c+d x))}{\left (a^2-b^2\right )^2 d}-\frac {b \tan ^3(c+d x)}{3 \left (a^2-b^2\right ) d}-\frac {\left (a^3 b\right ) \int \frac {1}{a+b \sin (c+d x)} \, dx}{\left (a^2-b^2\right )^2} \\ & = \frac {a \sec ^3(c+d x)}{3 \left (a^2-b^2\right ) d}-\frac {a^2 \sec (c+d x) (a-b \sin (c+d x))}{\left (a^2-b^2\right )^2 d}-\frac {b \tan ^3(c+d x)}{3 \left (a^2-b^2\right ) d}-\frac {\left (2 a^3 b\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 )}{\left (a^2-b^2\right )^2 d} \\ & = \frac {a \sec ^3(c+d x)}{3 \left (a^2-b^2\right ) d}-\frac {a^2 \sec (c+d x) (a-b \sin (c+d x))}{\left (a^2-b^2\right )^2 d}-\frac {b \tan ^3(c+d x)}{3 \left (a^2-b^2\right ) d}+\frac {\left (4 a^3 b\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 )}{\left (a^2-b^2\right )^2 d} \\ & = -\frac {2 a^3 b \arctan \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 )^{5/2} d}+\frac {a \sec ^3(c+d x)}{3 \left (a^2-b^2\right ) d}-\frac {a^2 \sec (c+d x) (a-b \sin (c+d x))}{\left (a^2-b^2\right )^2 d}-\frac {b \tan ^3(c+d x)}{3 \left (a^2-b^2\right ) d} \\ \end{align*}
Time = 1.28 (sec) , antiderivative size = 184, normalized size of antiderivative = 1.30 \[ \int \frac {\sec (c+d x) \tan ^3(c+d x)}{a+b \sin (c+d x)} \, dx=\frac {-\frac {48 a^3 b \arctan \left (\frac {b+a \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a^2-b^2}}\right )}{\left (a^2-b^2\right )^{5/2}}+\frac {\sec ^3(c+d x) \left (-4 a^3-8 a b^2+3 a \left (5 a^2+b^2\right ) \cos (c+d x)-12 a^3 \cos (2 (c+d x))+5 a^3 \cos (3 (c+d x))+a b^2 \cos (3 (c+d x))+6 b^3 \sin (c+d x)+8 a^2 b \sin (3 (c+d x))-2 b^3 \sin (3 (c+d x))\right )}{(a-b)^2 (a+b)^2}}{24 d} \]
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Time = 0.64 (sec) , antiderivative size = 205, normalized size of antiderivative = 1.44
method | result | size |
derivativedivides | \(\frac {-\frac {8}{\left (16 a -16 b \right ) \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )^{2}}+\frac {16}{3 \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )^{3} \left (16 a -16 b \right )}-\frac {a}{2 \left (a -b \right )^{2} \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )}-\frac {2 a^{3} b \arctan \left (\frac {2 a \tan \left (\frac {d x}{2}+\frac {c}{2}\right )+2 b}{2 \sqrt {a^{2}-b^{2}}}\right )}{\left (a -b \right )^{2} \left (a +b \right )^{2} \sqrt {a^{2}-b^{2}}}-\frac {16}{3 \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )^{3} \left (16 a +16 b \right )}-\frac {8}{\left (16 a +16 b \right ) \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )^{2}}+\frac {a}{2 \left (a +b \right )^{2} \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )}}{d}\) | \(205\) |
default | \(\frac {-\frac {8}{\left (16 a -16 b \right ) \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )^{2}}+\frac {16}{3 \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )^{3} \left (16 a -16 b \right )}-\frac {a}{2 \left (a -b \right )^{2} \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )}-\frac {2 a^{3} b \arctan \left (\frac {2 a \tan \left (\frac {d x}{2}+\frac {c}{2}\right )+2 b}{2 \sqrt {a^{2}-b^{2}}}\right )}{\left (a -b \right )^{2} \left (a +b \right )^{2} \sqrt {a^{2}-b^{2}}}-\frac {16}{3 \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )^{3} \left (16 a +16 b \right )}-\frac {8}{\left (16 a +16 b \right ) \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )^{2}}+\frac {a}{2 \left (a +b \right )^{2} \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )}}{d}\) | \(205\) |
risch | \(-\frac {2 i \left (-3 i a^{3} {\mathrm e}^{5 i \left (d x +c \right )}-2 i a^{3} {\mathrm e}^{3 i \left (d x +c \right )}-4 i b^{2} a \,{\mathrm e}^{3 i \left (d x +c \right )}-6 a^{2} b \,{\mathrm e}^{4 i \left (d x +c \right )}+3 b^{3} {\mathrm e}^{4 i \left (d x +c \right )}-3 i a^{3} {\mathrm e}^{i \left (d x +c \right )}-6 a^{2} b \,{\mathrm e}^{2 i \left (d x +c \right )}-4 a^{2} b +b^{3}\right )}{3 d \left (-a^{2}+b^{2}\right )^{2} \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )^{3}}+\frac {i b \,a^{3} \ln \left ({\mathrm e}^{i \left (d x +c \right )}+\frac {i \left (\sqrt {a^{2}-b^{2}}\, a -a^{2}+b^{2}\right )}{b \sqrt {a^{2}-b^{2}}}\right )}{\sqrt {a^{2}-b^{2}}\, \left (a +b \right )^{2} \left (a -b \right )^{2} d}-\frac {i b \,a^{3} \ln \left ({\mathrm e}^{i \left (d x +c \right )}+\frac {i \left (\sqrt {a^{2}-b^{2}}\, a +a^{2}-b^{2}\right )}{b \sqrt {a^{2}-b^{2}}}\right )}{\sqrt {a^{2}-b^{2}}\, \left (a +b \right )^{2} \left (a -b \right )^{2} d}\) | \(313\) |
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Time = 0.39 (sec) , antiderivative size = 465, normalized size of antiderivative = 3.27 \[ \int \frac {\sec (c+d x) \tan ^3(c+d x)}{a+b \sin (c+d x)} \, dx=\left [-\frac {3 \, \sqrt {-a^{2} + b^{2}} a^{3} b \cos \left (d x + c\right )^{3} \log \left (-\frac {{\left (2 \, a^{2} - b^{2}\right )} \cos \left (d x + c\right )^{2} - 2 \, a b \sin \left (d x + c\right ) - a^{2} - b^{2} - 2 \, {\left (a \cos \left (d x + c\right ) \sin \left (d x + c\right ) + b \cos \left (d x + c\right )\right )} \sqrt {-a^{2} + b^{2}}}{b^{2} \cos \left (d x + c\right )^{2} - 2 \, a b \sin \left (d x + c\right ) - a^{2} - b^{2}}\right ) - 2 \, a^{5} + 4 \, a^{3} b^{2} - 2 \, a b^{4} + 6 \, {\left (a^{5} - a^{3} b^{2}\right )} \cos \left (d x + c\right )^{2} + 2 \, {\left (a^{4} b - 2 \, a^{2} b^{3} + b^{5} - {\left (4 \, a^{4} b - 5 \, a^{2} b^{3} + b^{5}\right )} \cos \left (d x + c\right )^{2}\right )} \sin \left (d x + c\right )}{6 \, {\left (a^{6} - 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} - b^{6}\right )} d \cos \left (d x + c\right )^{3}}, \frac {3 \, \sqrt {a^{2} - b^{2}} a^{3} b \arctan \left (-\frac {a \sin \left (d x + c\right ) + b}{\sqrt {a^{2} - b^{2}} \cos \left (d x + c\right )}\right ) \cos \left (d x + c\right )^{3} + a^{5} - 2 \, a^{3} b^{2} + a b^{4} - 3 \, {\left (a^{5} - a^{3} b^{2}\right )} \cos \left (d x + c\right )^{2} - {\left (a^{4} b - 2 \, a^{2} b^{3} + b^{5} - {\left (4 \, a^{4} b - 5 \, a^{2} b^{3} + b^{5}\right )} \cos \left (d x + c\right )^{2}\right )} \sin \left (d x + c\right )}{3 \, {\left (a^{6} - 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} - b^{6}\right )} d \cos \left (d x + c\right )^{3}}\right ] \]
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Timed out. \[ \int \frac {\sec (c+d x) \tan ^3(c+d x)}{a+b \sin (c+d x)} \, dx=\text {Timed out} \]
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Exception generated. \[ \int \frac {\sec (c+d x) \tan ^3(c+d x)}{a+b \sin (c+d x)} \, dx=\text {Exception raised: ValueError} \]
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Time = 0.39 (sec) , antiderivative size = 227, normalized size of antiderivative = 1.60 \[ \int \frac {\sec (c+d x) \tan ^3(c+d x)}{a+b \sin (c+d x)} \, dx=-\frac {2 \, {\left (\frac {3 \, {\left (\pi \left \lfloor \frac {d x + c}{2 \, \pi } + \frac {1}{2} \right \rfloor \mathrm {sgn}\left (a\right ) + \arctan \left (\frac {a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + b}{\sqrt {a^{2} - b^{2}}}\right )\right )} a^{3} b}{{\left (a^{4} - 2 \, a^{2} b^{2} + b^{4}\right )} \sqrt {a^{2} - b^{2}}} + \frac {3 \, a^{2} b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{5} - 3 \, a b^{2} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{4} - 10 \, a^{2} b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} + 4 \, b^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} + 6 \, a^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 3 \, a^{2} b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 2 \, a^{3} - a b^{2}}{{\left (a^{4} - 2 \, a^{2} b^{2} + b^{4}\right )} {\left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 1\right )}^{3}}\right )}}{3 \, d} \]
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Time = 17.48 (sec) , antiderivative size = 370, normalized size of antiderivative = 2.61 \[ \int \frac {\sec (c+d x) \tan ^3(c+d x)}{a+b \sin (c+d x)} \, dx=\frac {\frac {2\,\left (2\,a^3+a\,b^2\right )}{3\,\left (a^4-2\,a^2\,b^2+b^4\right )}-\frac {4\,a^3\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2}{a^4-2\,a^2\,b^2+b^4}+\frac {4\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^3\,\left (5\,a^2\,b-2\,b^3\right )}{3\,\left (a^4-2\,a^2\,b^2+b^4\right )}-\frac {2\,a^2\,b\,\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}{a^4-2\,a^2\,b^2+b^4}+\frac {2\,a\,b^2\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4}{a^4-2\,a^2\,b^2+b^4}-\frac {2\,a^2\,b\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^5}{a^4-2\,a^2\,b^2+b^4}}{d\,\left ({\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^6-3\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4+3\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2-1\right )}-\frac {2\,a^3\,b\,\mathrm {atan}\left (\frac {\frac {a^3\,b\,\left (2\,a^4\,b-4\,a^2\,b^3+2\,b^5\right )}{{\left (a+b\right )}^{5/2}\,{\left (a-b\right )}^{5/2}}+\frac {2\,a^4\,b\,\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\,\left (a^4-2\,a^2\,b^2+b^4\right )}{{\left (a+b\right )}^{5/2}\,{\left (a-b\right )}^{5/2}}}{2\,a^3\,b}\right )}{d\,{\left (a+b\right )}^{5/2}\,{\left (a-b\right )}^{5/2}} \]
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