Integrand size = 28, antiderivative size = 212 \[ \int \frac {\sec ^2(c+d x)}{(a \sin (c+d x)+b \tan (c+d x))^3} \, dx=-\frac {3 a^2 b}{2 \left (a^2-b^2\right )^2 d (b+a \cos (c+d x))^2}+\frac {3 a^2 \left (a^2+3 b^2\right )}{2 \left (a^2-b^2\right )^3 d (b+a \cos (c+d x))}+\frac {(b-a \cos (c+d x)) \csc ^2(c+d x)}{2 \left (a^2-b^2\right ) d (b+a \cos (c+d x))^2}+\frac {3 a \log (1-\cos (c+d x))}{4 (a+b)^4 d}-\frac {3 a \log (1+\cos (c+d x))}{4 (a-b)^4 d}+\frac {6 a^2 b \left (a^2+b^2\right ) \log (b+a \cos (c+d x))}{\left (a^2-b^2\right )^4 d} \]
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Time = 0.45 (sec) , antiderivative size = 212, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.179, Rules used = {4482, 2916, 12, 837, 815} \[ \int \frac {\sec ^2(c+d x)}{(a \sin (c+d x)+b \tan (c+d x))^3} \, dx=\frac {3 a^2 \left (a^2+3 b^2\right )}{2 d \left (a^2-b^2\right )^3 (a \cos (c+d x)+b)}-\frac {3 a^2 b}{2 d \left (a^2-b^2\right )^2 (a \cos (c+d x)+b)^2}+\frac {6 a^2 b \left (a^2+b^2\right ) \log (a \cos (c+d x)+b)}{d \left (a^2-b^2\right )^4}+\frac {\csc ^2(c+d x) (b-a \cos (c+d x))}{2 d \left (a^2-b^2\right ) (a \cos (c+d x)+b)^2}+\frac {3 a \log (1-\cos (c+d x))}{4 d (a+b)^4}-\frac {3 a \log (\cos (c+d x)+1)}{4 d (a-b)^4} \]
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Rule 12
Rule 815
Rule 837
Rule 2916
Rule 4482
Rubi steps \begin{align*} \text {integral}& = \int \frac {\cot (c+d x) \csc ^2(c+d x)}{(b+a \cos (c+d x))^3} \, dx \\ & = -\frac {a^3 \text {Subst}\left (\int \frac {x}{a (b+x)^3 \left (a^2-x^2\right )^2} \, dx,x,a \cos (c+d x)\right )}{d} \\ & = -\frac {a^2 \text {Subst}\left (\int \frac {x}{(b+x)^3 \left (a^2-x^2\right )^2} \, dx,x,a \cos (c+d x)\right )}{d} \\ & = \frac {(b-a \cos (c+d x)) \csc ^2(c+d x)}{2 \left (a^2-b^2\right ) d (b+a \cos (c+d x))^2}-\frac {\text {Subst}\left (\int \frac {-3 a^2 b+3 a^2 x}{(b+x)^3 \left (a^2-x^2\right )} \, dx,x,a \cos (c+d x)\right )}{2 \left (a^2-b^2\right ) d} \\ & = \frac {(b-a \cos (c+d x)) \csc ^2(c+d x)}{2 \left (a^2-b^2\right ) d (b+a \cos (c+d x))^2}-\frac {\text {Subst}\left (\int \left (\frac {3 a (a-b)}{2 (a+b)^3 (a-x)}+\frac {3 a (a+b)}{2 (a-b)^3 (a+x)}-\frac {6 a^2 b}{\left (a^2-b^2\right ) (b+x)^3}+\frac {3 a^2 \left (a^2+3 b^2\right )}{\left (a^2-b^2\right )^2 (b+x)^2}-\frac {12 a^2 b \left (a^2+b^2\right )}{\left (a^2-b^2\right )^3 (b+x)}\right ) \, dx,x,a \cos (c+d x)\right )}{2 \left (a^2-b^2\right ) d} \\ & = -\frac {3 a^2 b}{2 \left (a^2-b^2\right )^2 d (b+a \cos (c+d x))^2}+\frac {3 a^2 \left (a^2+3 b^2\right )}{2 \left (a^2-b^2\right )^3 d (b+a \cos (c+d x))}+\frac {(b-a \cos (c+d x)) \csc ^2(c+d x)}{2 \left (a^2-b^2\right ) d (b+a \cos (c+d x))^2}+\frac {3 a \log (1-\cos (c+d x))}{4 (a+b)^4 d}-\frac {3 a \log (1+\cos (c+d x))}{4 (a-b)^4 d}+\frac {6 a^2 b \left (a^2+b^2\right ) \log (b+a \cos (c+d x))}{\left (a^2-b^2\right )^4 d} \\ \end{align*}
Time = 6.64 (sec) , antiderivative size = 217, normalized size of antiderivative = 1.02 \[ \int \frac {\sec ^2(c+d x)}{(a \sin (c+d x)+b \tan (c+d x))^3} \, dx=-\frac {a^2 b}{2 (-a+b)^2 (a+b)^2 d (b+a \cos (c+d x))^2}-\frac {a^2 \left (a^2+3 b^2\right )}{(-a+b)^3 (a+b)^3 d (b+a \cos (c+d x))}-\frac {\csc ^2\left (\frac {1}{2} (c+d x)\right )}{8 (a+b)^3 d}-\frac {3 a \log \left (\cos \left (\frac {1}{2} (c+d x)\right )\right )}{2 (-a+b)^4 d}+\frac {6 \left (a^4 b+a^2 b^3\right ) \log (b+a \cos (c+d x))}{\left (-a^2+b^2\right )^4 d}+\frac {3 a \log \left (\sin \left (\frac {1}{2} (c+d x)\right )\right )}{2 (a+b)^4 d}-\frac {\sec ^2\left (\frac {1}{2} (c+d x)\right )}{8 (-a+b)^3 d} \]
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Time = 31.82 (sec) , antiderivative size = 181, normalized size of antiderivative = 0.85
method | result | size |
derivativedivides | \(\frac {-\frac {b \,a^{2}}{2 \left (a +b \right )^{2} \left (a -b \right )^{2} \left (b +\cos \left (d x +c \right ) a \right )^{2}}+\frac {a^{2} \left (a^{2}+3 b^{2}\right )}{\left (a +b \right )^{3} \left (a -b \right )^{3} \left (b +\cos \left (d x +c \right ) a \right )}+\frac {6 a^{2} b \left (a^{2}+b^{2}\right ) \ln \left (b +\cos \left (d x +c \right ) a \right )}{\left (a +b \right )^{4} \left (a -b \right )^{4}}+\frac {1}{4 \left (a -b \right )^{3} \left (\cos \left (d x +c \right )+1\right )}-\frac {3 a \ln \left (\cos \left (d x +c \right )+1\right )}{4 \left (a -b \right )^{4}}+\frac {1}{4 \left (a +b \right )^{3} \left (\cos \left (d x +c \right )-1\right )}+\frac {3 a \ln \left (\cos \left (d x +c \right )-1\right )}{4 \left (a +b \right )^{4}}}{d}\) | \(181\) |
default | \(\frac {-\frac {b \,a^{2}}{2 \left (a +b \right )^{2} \left (a -b \right )^{2} \left (b +\cos \left (d x +c \right ) a \right )^{2}}+\frac {a^{2} \left (a^{2}+3 b^{2}\right )}{\left (a +b \right )^{3} \left (a -b \right )^{3} \left (b +\cos \left (d x +c \right ) a \right )}+\frac {6 a^{2} b \left (a^{2}+b^{2}\right ) \ln \left (b +\cos \left (d x +c \right ) a \right )}{\left (a +b \right )^{4} \left (a -b \right )^{4}}+\frac {1}{4 \left (a -b \right )^{3} \left (\cos \left (d x +c \right )+1\right )}-\frac {3 a \ln \left (\cos \left (d x +c \right )+1\right )}{4 \left (a -b \right )^{4}}+\frac {1}{4 \left (a +b \right )^{3} \left (\cos \left (d x +c \right )-1\right )}+\frac {3 a \ln \left (\cos \left (d x +c \right )-1\right )}{4 \left (a +b \right )^{4}}}{d}\) | \(181\) |
risch | \(-\frac {3 i a x}{2 \left (a^{4}+4 a^{3} b +6 a^{2} b^{2}+4 a \,b^{3}+b^{4}\right )}-\frac {3 i a c}{2 d \left (a^{4}+4 a^{3} b +6 a^{2} b^{2}+4 a \,b^{3}+b^{4}\right )}+\frac {3 i a x}{2 \left (a^{4}-4 a^{3} b +6 a^{2} b^{2}-4 a \,b^{3}+b^{4}\right )}+\frac {3 i a c}{2 d \left (a^{4}-4 a^{3} b +6 a^{2} b^{2}-4 a \,b^{3}+b^{4}\right )}-\frac {12 i a^{4} b x}{a^{8}-4 a^{6} b^{2}+6 a^{4} b^{4}-4 a^{2} b^{6}+b^{8}}-\frac {12 i a^{4} b c}{d \left (a^{8}-4 a^{6} b^{2}+6 a^{4} b^{4}-4 a^{2} b^{6}+b^{8}\right )}-\frac {12 i a^{2} b^{3} x}{a^{8}-4 a^{6} b^{2}+6 a^{4} b^{4}-4 a^{2} b^{6}+b^{8}}-\frac {12 i a^{2} b^{3} c}{d \left (a^{8}-4 a^{6} b^{2}+6 a^{4} b^{4}-4 a^{2} b^{6}+b^{8}\right )}+\frac {3 a^{5} {\mathrm e}^{7 i \left (d x +c \right )}+9 a^{3} b^{2} {\mathrm e}^{7 i \left (d x +c \right )}+24 a^{2} b^{3} {\mathrm e}^{6 i \left (d x +c \right )}+a^{5} {\mathrm e}^{5 i \left (d x +c \right )}-17 a^{3} b^{2} {\mathrm e}^{5 i \left (d x +c \right )}+4 a \,b^{4} {\mathrm e}^{5 i \left (d x +c \right )}-8 a^{4} b \,{\mathrm e}^{4 i \left (d x +c \right )}-32 a^{2} b^{3} {\mathrm e}^{4 i \left (d x +c \right )}-8 b^{5} {\mathrm e}^{4 i \left (d x +c \right )}+a^{5} {\mathrm e}^{3 i \left (d x +c \right )}-17 a^{3} b^{2} {\mathrm e}^{3 i \left (d x +c \right )}+4 a \,b^{4} {\mathrm e}^{3 i \left (d x +c \right )}+24 a^{2} b^{3} {\mathrm e}^{2 i \left (d x +c \right )}+3 a^{5} {\mathrm e}^{i \left (d x +c \right )}+9 a^{3} b^{2} {\mathrm e}^{i \left (d x +c \right )}}{\left (a^{4}-2 a^{2} b^{2}+b^{4}\right ) \left ({\mathrm e}^{2 i \left (d x +c \right )} a +2 b \,{\mathrm e}^{i \left (d x +c \right )}+a \right )^{2} \left (a^{2}-b^{2}\right ) \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )^{2} d}+\frac {3 \ln \left ({\mathrm e}^{i \left (d x +c \right )}-1\right ) a}{2 d \left (a^{4}+4 a^{3} b +6 a^{2} b^{2}+4 a \,b^{3}+b^{4}\right )}-\frac {3 \ln \left ({\mathrm e}^{i \left (d x +c \right )}+1\right ) a}{2 d \left (a^{4}-4 a^{3} b +6 a^{2} b^{2}-4 a \,b^{3}+b^{4}\right )}+\frac {6 b \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+\frac {2 b \,{\mathrm e}^{i \left (d x +c \right )}}{a}+1\right ) a^{4}}{d \left (a^{8}-4 a^{6} b^{2}+6 a^{4} b^{4}-4 a^{2} b^{6}+b^{8}\right )}+\frac {6 b^{3} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+\frac {2 b \,{\mathrm e}^{i \left (d x +c \right )}}{a}+1\right ) a^{2}}{d \left (a^{8}-4 a^{6} b^{2}+6 a^{4} b^{4}-4 a^{2} b^{6}+b^{8}\right )}\) | \(857\) |
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Leaf count of result is larger than twice the leaf count of optimal. 939 vs. \(2 (203) = 406\).
Time = 0.43 (sec) , antiderivative size = 939, normalized size of antiderivative = 4.43 \[ \int \frac {\sec ^2(c+d x)}{(a \sin (c+d x)+b \tan (c+d x))^3} \, dx=-\frac {2 \, a^{6} b + 18 \, a^{4} b^{3} - 18 \, a^{2} b^{5} - 2 \, b^{7} - 6 \, {\left (a^{7} + 2 \, a^{5} b^{2} - 3 \, a^{3} b^{4}\right )} \cos \left (d x + c\right )^{3} - 24 \, {\left (a^{4} b^{3} - a^{2} b^{5}\right )} \cos \left (d x + c\right )^{2} + 2 \, {\left (2 \, a^{7} + 9 \, a^{5} b^{2} - 12 \, a^{3} b^{4} + a b^{6}\right )} \cos \left (d x + c\right ) + 24 \, {\left (a^{4} b^{3} + a^{2} b^{5} - {\left (a^{6} b + a^{4} b^{3}\right )} \cos \left (d x + c\right )^{4} - 2 \, {\left (a^{5} b^{2} + a^{3} b^{4}\right )} \cos \left (d x + c\right )^{3} + {\left (a^{6} b - a^{2} b^{5}\right )} \cos \left (d x + c\right )^{2} + 2 \, {\left (a^{5} b^{2} + a^{3} b^{4}\right )} \cos \left (d x + c\right )\right )} \log \left (a \cos \left (d x + c\right ) + b\right ) - 3 \, {\left (a^{5} b^{2} + 4 \, a^{4} b^{3} + 6 \, a^{3} b^{4} + 4 \, a^{2} b^{5} + a b^{6} - {\left (a^{7} + 4 \, a^{6} b + 6 \, a^{5} b^{2} + 4 \, a^{4} b^{3} + a^{3} b^{4}\right )} \cos \left (d x + c\right )^{4} - 2 \, {\left (a^{6} b + 4 \, a^{5} b^{2} + 6 \, a^{4} b^{3} + 4 \, a^{3} b^{4} + a^{2} b^{5}\right )} \cos \left (d x + c\right )^{3} + {\left (a^{7} + 4 \, a^{6} b + 5 \, a^{5} b^{2} - 5 \, a^{3} b^{4} - 4 \, a^{2} b^{5} - a b^{6}\right )} \cos \left (d x + c\right )^{2} + 2 \, {\left (a^{6} b + 4 \, a^{5} b^{2} + 6 \, a^{4} b^{3} + 4 \, a^{3} b^{4} + a^{2} b^{5}\right )} \cos \left (d x + c\right )\right )} \log \left (\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right ) + 3 \, {\left (a^{5} b^{2} - 4 \, a^{4} b^{3} + 6 \, a^{3} b^{4} - 4 \, a^{2} b^{5} + a b^{6} - {\left (a^{7} - 4 \, a^{6} b + 6 \, a^{5} b^{2} - 4 \, a^{4} b^{3} + a^{3} b^{4}\right )} \cos \left (d x + c\right )^{4} - 2 \, {\left (a^{6} b - 4 \, a^{5} b^{2} + 6 \, a^{4} b^{3} - 4 \, a^{3} b^{4} + a^{2} b^{5}\right )} \cos \left (d x + c\right )^{3} + {\left (a^{7} - 4 \, a^{6} b + 5 \, a^{5} b^{2} - 5 \, a^{3} b^{4} + 4 \, a^{2} b^{5} - a b^{6}\right )} \cos \left (d x + c\right )^{2} + 2 \, {\left (a^{6} b - 4 \, a^{5} b^{2} + 6 \, a^{4} b^{3} - 4 \, a^{3} b^{4} + a^{2} b^{5}\right )} \cos \left (d x + c\right )\right )} \log \left (-\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right )}{4 \, {\left ({\left (a^{10} - 4 \, a^{8} b^{2} + 6 \, a^{6} b^{4} - 4 \, a^{4} b^{6} + a^{2} b^{8}\right )} d \cos \left (d x + c\right )^{4} + 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 )^{3} - {\left (a^{10} - 5 \, a^{8} b^{2} + 10 \, a^{6} b^{4} - 10 \, a^{4} b^{6} + 5 \, 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 ) - {\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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\[ \int \frac {\sec ^2(c+d x)}{(a \sin (c+d x)+b \tan (c+d x))^3} \, dx=\int \frac {\sec ^{2}{\left (c + d x \right )}}{\left (a \sin {\left (c + d x \right )} + b \tan {\left (c + d x \right )}\right )^{3}}\, dx \]
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Leaf count of result is larger than twice the leaf count of optimal. 596 vs. \(2 (203) = 406\).
Time = 0.25 (sec) , antiderivative size = 596, normalized size of antiderivative = 2.81 \[ \int \frac {\sec ^2(c+d x)}{(a \sin (c+d x)+b \tan (c+d x))^3} \, dx=\frac {\frac {48 \, {\left (a^{4} b + a^{2} b^{3}\right )} \log \left (a + b - \frac {{\left (a - b\right )} \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}}\right )}{a^{8} - 4 \, a^{6} b^{2} + 6 \, a^{4} b^{4} - 4 \, a^{2} b^{6} + b^{8}} + \frac {12 \, a \log \left (\frac {\sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1}\right )}{a^{4} + 4 \, a^{3} b + 6 \, a^{2} b^{2} + 4 \, a b^{3} + b^{4}} - \frac {a^{6} - 2 \, a^{5} b - a^{4} b^{2} + 4 \, a^{3} b^{3} - a^{2} b^{4} - 2 \, a b^{5} + b^{6} - \frac {2 \, {\left (9 \, a^{6} + 4 \, a^{5} b + 37 \, a^{4} b^{2} + 32 \, a^{3} b^{3} - 5 \, a^{2} b^{4} + 4 \, a b^{5} - b^{6}\right )} \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + \frac {{\left (17 \, a^{6} - 6 \, a^{5} b + 63 \, a^{4} b^{2} - 84 \, a^{3} b^{3} + 15 \, a^{2} b^{4} - 6 \, a b^{5} + b^{6}\right )} \sin \left (d x + c\right )^{4}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{4}}}{\frac {{\left (a^{9} + a^{8} b - 4 \, a^{7} b^{2} - 4 \, a^{6} b^{3} + 6 \, a^{5} b^{4} + 6 \, a^{4} b^{5} - 4 \, a^{3} b^{6} - 4 \, a^{2} b^{7} + a b^{8} + b^{9}\right )} \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} - \frac {2 \, {\left (a^{9} - a^{8} b - 4 \, a^{7} b^{2} + 4 \, a^{6} b^{3} + 6 \, a^{5} b^{4} - 6 \, a^{4} b^{5} - 4 \, a^{3} b^{6} + 4 \, a^{2} b^{7} + a b^{8} - b^{9}\right )} \sin \left (d x + c\right )^{4}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{4}} + \frac {{\left (a^{9} - 3 \, a^{8} b + 8 \, a^{6} b^{3} - 6 \, a^{5} b^{4} - 6 \, a^{4} b^{5} + 8 \, a^{3} b^{6} - 3 \, a b^{8} + b^{9}\right )} \sin \left (d x + c\right )^{6}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{6}}} + \frac {\sin \left (d x + c\right )^{2}}{{\left (a^{3} - 3 \, a^{2} b + 3 \, a b^{2} - b^{3}\right )} {\left (\cos \left (d x + c\right ) + 1\right )}^{2}}}{8 \, d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 689 vs. \(2 (203) = 406\).
Time = 0.73 (sec) , antiderivative size = 689, normalized size of antiderivative = 3.25 \[ \int \frac {\sec ^2(c+d x)}{(a \sin (c+d x)+b \tan (c+d x))^3} \, dx=\frac {\frac {6 \, a \log \left (\frac {{\left | -\cos \left (d x + c\right ) + 1 \right |}}{{\left | \cos \left (d x + c\right ) + 1 \right |}}\right )}{a^{4} + 4 \, a^{3} b + 6 \, a^{2} b^{2} + 4 \, a b^{3} + b^{4}} + \frac {48 \, {\left (a^{4} b + a^{2} b^{3}\right )} \log \left ({\left | -a - b - \frac {a {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {b {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} \right |}\right )}{a^{8} - 4 \, a^{6} b^{2} + 6 \, a^{4} b^{4} - 4 \, a^{2} b^{6} + b^{8}} + \frac {{\left (a + b - \frac {6 \, a {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1}\right )} {\left (\cos \left (d x + c\right ) + 1\right )}}{{\left (a^{4} + 4 \, a^{3} b + 6 \, a^{2} b^{2} + 4 \, a b^{3} + b^{4}\right )} {\left (\cos \left (d x + c\right ) - 1\right )}} - \frac {\cos \left (d x + c\right ) - 1}{{\left (a^{3} - 3 \, a^{2} b + 3 \, a b^{2} - b^{3}\right )} {\left (\cos \left (d x + c\right ) + 1\right )}} + \frac {8 \, {\left (2 \, a^{7} - 5 \, a^{6} b - 8 \, a^{5} b^{2} - 2 \, a^{4} b^{3} - 10 \, a^{3} b^{4} - 9 \, a^{2} b^{5} + \frac {2 \, a^{7} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} - \frac {16 \, a^{6} b {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {6 \, a^{5} b^{2} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} - \frac {2 \, a^{4} b^{3} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} - \frac {8 \, a^{3} b^{4} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {18 \, a^{2} b^{5} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} - \frac {9 \, a^{6} b {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + \frac {18 \, a^{5} b^{2} {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} - \frac {18 \, a^{4} b^{3} {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + \frac {18 \, a^{3} b^{4} {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} - \frac {9 \, a^{2} b^{5} {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}}\right )}}{{\left (a^{8} - 4 \, a^{6} b^{2} + 6 \, a^{4} b^{4} - 4 \, a^{2} b^{6} + b^{8}\right )} {\left (a + b + \frac {a {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} - \frac {b {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1}\right )}^{2}}}{8 \, d} \]
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Time = 23.15 (sec) , antiderivative size = 492, normalized size of antiderivative = 2.32 \[ \int \frac {\sec ^2(c+d x)}{(a \sin (c+d x)+b \tan (c+d x))^3} \, dx=\frac {{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2}{8\,d\,{\left (a-b\right )}^3}-\frac {\frac {a^3-3\,a^2\,b+3\,a\,b^2-b^3}{2\,\left (a+b\right )}-\frac {{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2\,\left (9\,a^5-5\,a^4\,b+42\,a^3\,b^2-10\,a^2\,b^3+5\,a\,b^4-b^5\right )}{\left (a-b\right )\,\left (a^2+2\,a\,b+b^2\right )}+\frac {{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4\,\left (17\,a^5+11\,a^4\,b+74\,a^3\,b^2-10\,a^2\,b^3+5\,a\,b^4-b^5\right )}{2\,\left (a+b\right )\,\left (a^2+2\,a\,b+b^2\right )}}{d\,\left (\left (4\,a^5-20\,a^4\,b+40\,a^3\,b^2-40\,a^2\,b^3+20\,a\,b^4-4\,b^5\right )\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^6+\left (-8\,a^5+24\,a^4\,b-16\,a^3\,b^2-16\,a^2\,b^3+24\,a\,b^4-8\,b^5\right )\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4+\left (4\,a^5-4\,a^4\,b-8\,a^3\,b^2+8\,a^2\,b^3+4\,a\,b^4-4\,b^5\right )\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2\right )}+\frac {\ln \left (a+b-a\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2+b\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2\right )\,\left (6\,a^4\,b+6\,a^2\,b^3\right )}{d\,\left (a^8-4\,a^6\,b^2+6\,a^4\,b^4-4\,a^2\,b^6+b^8\right )}+\frac {3\,a\,\ln \left (\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\right )}{d\,\left (2\,a^4+8\,a^3\,b+12\,a^2\,b^2+8\,a\,b^3+2\,b^4\right )} \]
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