Integrand size = 20, antiderivative size = 172 \[ \int \frac {\cos ^2(x) \sin ^3(x)}{(a \cos (x)+b \sin (x))^2} \, dx=\frac {a^2 b \left (2 a^2-3 b^2\right ) \text {arctanh}\left (\frac {b \cos (x)-a \sin (x)}{\sqrt {a^2+b^2}}\right )}{\left (a^2+b^2\right )^{7/2}}-\frac {a^2 \left (a^2-3 b^2\right ) \cos (x)}{\left (a^2+b^2\right )^3}+\frac {\left (a^2-b^2\right ) \cos ^3(x)}{3 \left (a^2+b^2\right )^2}+\frac {2 a b \left (a^2-b^2\right ) \sin (x)}{\left (a^2+b^2\right )^3}+\frac {2 a b \sin ^3(x)}{3 \left (a^2+b^2\right )^2}+\frac {a^3 b^2}{\left (a^2+b^2\right )^3 (a \cos (x)+b \sin (x))} \]
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Time = 0.85 (sec) , antiderivative size = 238, normalized size of antiderivative = 1.38, number of steps used = 33, number of rules used = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.600, Rules used = {3190, 3188, 2645, 30, 2644, 2717, 2718, 3153, 212, 2713, 3178, 3233} \[ \int \frac {\cos ^2(x) \sin ^3(x)}{(a \cos (x)+b \sin (x))^2} \, dx=-\frac {3 a^2 b^3 \text {arctanh}\left (\frac {b \cos (x)-a \sin (x)}{\sqrt {a^2+b^2}}\right )}{\left (a^2+b^2\right )^{7/2}}+\frac {2 a b \sin ^3(x)}{3 \left (a^2+b^2\right )^2}+\frac {a^2 \cos ^3(x)}{3 \left (a^2+b^2\right )^2}-\frac {b^2 \cos ^3(x)}{3 \left (a^2+b^2\right )^2}-\frac {a^2 \cos (x)}{\left (a^2+b^2\right )^2}+\frac {4 a^2 b^2 \cos (x)}{\left (a^2+b^2\right )^3}-\frac {2 a b^3 \sin (x)}{\left (a^2+b^2\right )^3}+\frac {2 a^4 b \text {arctanh}\left (\frac {b \cos (x)-a \sin (x)}{\sqrt {a^2+b^2}}\right )}{\left (a^2+b^2\right )^{7/2}}+\frac {2 a^3 b \sin (x)}{\left (a^2+b^2\right )^3}+\frac {a^3 b^2}{\left (a^2+b^2\right )^3 (a \cos (x)+b \sin (x))} \]
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Rule 30
Rule 212
Rule 2644
Rule 2645
Rule 2713
Rule 2717
Rule 2718
Rule 3153
Rule 3178
Rule 3188
Rule 3190
Rule 3233
Rubi steps \begin{align*} \text {integral}& = \frac {a \int \frac {\cos (x) \sin ^3(x)}{a \cos (x)+b \sin (x)} \, dx}{a^2+b^2}+\frac {b \int \frac {\cos ^2(x) \sin ^2(x)}{a \cos (x)+b \sin (x)} \, dx}{a^2+b^2}-\frac {(a b) \int \frac {\cos (x) \sin ^2(x)}{(a \cos (x)+b \sin (x))^2} \, dx}{a^2+b^2} \\ & = \frac {a^2 \int \sin ^3(x) \, dx}{\left (a^2+b^2\right )^2}+2 \frac {(a b) \int \cos (x) \sin ^2(x) \, dx}{\left (a^2+b^2\right )^2}-2 \frac {\left (a^2 b\right ) \int \frac {\sin ^2(x)}{a \cos (x)+b \sin (x)} \, dx}{\left (a^2+b^2\right )^2}+\frac {b^2 \int \cos ^2(x) \sin (x) \, dx}{\left (a^2+b^2\right )^2}-2 \frac {\left (a b^2\right ) \int \frac {\cos (x) \sin (x)}{a \cos (x)+b \sin (x)} \, dx}{\left (a^2+b^2\right )^2}+\frac {\left (a^2 b^2\right ) \int \frac {\sin (x)}{(a \cos (x)+b \sin (x))^2} \, dx}{\left (a^2+b^2\right )^2} \\ & = \frac {a^3 b^2}{\left (a^2+b^2\right )^3 (a \cos (x)+b \sin (x))}-2 \left (-\frac {a^3 b \sin (x)}{\left (a^2+b^2\right )^3}+\frac {\left (a^4 b\right ) \int \frac {1}{a \cos (x)+b \sin (x)} \, dx}{\left (a^2+b^2\right )^3}+\frac {\left (a^2 b^2\right ) \int \sin (x) \, dx}{\left (a^2+b^2\right )^3}\right )-2 \left (\frac {\left (a^2 b^2\right ) \int \sin (x) \, dx}{\left (a^2+b^2\right )^3}+\frac {\left (a b^3\right ) \int \cos (x) \, dx}{\left (a^2+b^2\right )^3}-\frac {\left (a^2 b^3\right ) \int \frac {1}{a \cos (x)+b \sin (x)} \, dx}{\left (a^2+b^2\right )^3}\right )+\frac {\left (a^2 b^3\right ) \int \frac {1}{a \cos (x)+b \sin (x)} \, dx}{\left (a^2+b^2\right )^3}-\frac {a^2 \text {Subst}\left (\int \left (1-x^2\right ) \, dx,x,\cos (x)\right )}{\left (a^2+b^2\right )^2}+2 \frac {(a b) \text {Subst}\left (\int x^2 \, dx,x,\sin (x)\right )}{\left (a^2+b^2\right )^2}-\frac {b^2 \text {Subst}\left (\int x^2 \, dx,x,\cos (x)\right )}{\left (a^2+b^2\right )^2} \\ & = -\frac {a^2 \cos (x)}{\left (a^2+b^2\right )^2}+\frac {a^2 \cos ^3(x)}{3 \left (a^2+b^2\right )^2}-\frac {b^2 \cos ^3(x)}{3 \left (a^2+b^2\right )^2}+\frac {2 a b \sin ^3(x)}{3 \left (a^2+b^2\right )^2}+\frac {a^3 b^2}{\left (a^2+b^2\right )^3 (a \cos (x)+b \sin (x))}-2 \left (-\frac {a^2 b^2 \cos (x)}{\left (a^2+b^2\right )^3}-\frac {a^3 b \sin (x)}{\left (a^2+b^2\right )^3}-\frac {\left (a^4 b\right ) \text {Subst}\left (\int \frac {1}{a^2+b^2-x^2} \, dx,x,b \cos (x)-a \sin (x)\right )}{\left (a^2+b^2\right )^3}\right )-\frac {\left (a^2 b^3\right ) \text {Subst}\left (\int \frac {1}{a^2+b^2-x^2} \, dx,x,b \cos (x)-a \sin (x)\right )}{\left (a^2+b^2\right )^3}-2 \left (-\frac {a^2 b^2 \cos (x)}{\left (a^2+b^2\right )^3}+\frac {a b^3 \sin (x)}{\left (a^2+b^2\right )^3}+\frac {\left (a^2 b^3\right ) \text {Subst}\left (\int \frac {1}{a^2+b^2-x^2} \, dx,x,b \cos (x)-a \sin (x)\right )}{\left (a^2+b^2\right )^3}\right ) \\ & = -\frac {a^2 b^3 \text {arctanh}\left (\frac {b \cos (x)-a \sin (x)}{\sqrt {a^2+b^2}}\right )}{\left (a^2+b^2\right )^{7/2}}-\frac {a^2 \cos (x)}{\left (a^2+b^2\right )^2}+\frac {a^2 \cos ^3(x)}{3 \left (a^2+b^2\right )^2}-\frac {b^2 \cos ^3(x)}{3 \left (a^2+b^2\right )^2}+\frac {2 a b \sin ^3(x)}{3 \left (a^2+b^2\right )^2}+\frac {a^3 b^2}{\left (a^2+b^2\right )^3 (a \cos (x)+b \sin (x))}-2 \left (-\frac {a^4 b \text {arctanh}\left (\frac {b \cos (x)-a \sin (x)}{\sqrt {a^2+b^2}}\right )}{\left (a^2+b^2\right )^{7/2}}-\frac {a^2 b^2 \cos (x)}{\left (a^2+b^2\right )^3}-\frac {a^3 b \sin (x)}{\left (a^2+b^2\right )^3}\right )-2 \left (\frac {a^2 b^3 \text {arctanh}\left (\frac {b \cos (x)-a \sin (x)}{\sqrt {a^2+b^2}}\right )}{\left (a^2+b^2\right )^{7/2}}-\frac {a^2 b^2 \cos (x)}{\left (a^2+b^2\right )^3}+\frac {a b^3 \sin (x)}{\left (a^2+b^2\right )^3}\right ) \\ \end{align*}
Time = 1.33 (sec) , antiderivative size = 200, normalized size of antiderivative = 1.16 \[ \int \frac {\cos ^2(x) \sin ^3(x)}{(a \cos (x)+b \sin (x))^2} \, dx=-\frac {2 a^2 b \left (2 a^2-3 b^2\right ) \text {arctanh}\left (\frac {-b+a \tan \left (\frac {x}{2}\right )}{\sqrt {a^2+b^2}}\right )}{\left (a^2+b^2\right )^{7/2}}+\frac {-9 a^5+90 a^3 b^2-21 a b^4+\left (-8 a^5+4 a^3 b^2+12 a b^4\right ) \cos (2 x)+a \left (a^2+b^2\right )^2 \cos (4 x)+18 a^4 b \sin (2 x)+16 a^2 b^3 \sin (2 x)-2 b^5 \sin (2 x)-a^4 b \sin (4 x)-2 a^2 b^3 \sin (4 x)-b^5 \sin (4 x)}{24 \left (a^2+b^2\right )^3 (a \cos (x)+b \sin (x))} \]
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Time = 1.03 (sec) , antiderivative size = 271, normalized size of antiderivative = 1.58
method | result | size |
default | \(\frac {4 a^{2} b \left (\frac {-\frac {b^{2} \tan \left (\frac {x}{2}\right )}{2}-\frac {a b}{2}}{\tan \left (\frac {x}{2}\right )^{2} a -2 b \tan \left (\frac {x}{2}\right )-a}-\frac {\left (2 a^{2}-3 b^{2}\right ) \operatorname {arctanh}\left (\frac {2 a \tan \left (\frac {x}{2}\right )-2 b}{2 \sqrt {a^{2}+b^{2}}}\right )}{2 \sqrt {a^{2}+b^{2}}}\right )}{\left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) \left (a^{2}+b^{2}\right )}+\frac {4 \left (a^{3} b -a \,b^{3}\right ) \tan \left (\frac {x}{2}\right )^{5}+4 \left (\frac {3}{2} a^{2} b^{2}-\frac {1}{2} b^{4}\right ) \tan \left (\frac {x}{2}\right )^{4}+4 \left (\frac {10}{3} a^{3} b -\frac {2}{3} a \,b^{3}\right ) \tan \left (\frac {x}{2}\right )^{3}+4 \left (-a^{4}+3 a^{2} b^{2}\right ) \tan \left (\frac {x}{2}\right )^{2}+4 \left (a^{3} b -a \,b^{3}\right ) \tan \left (\frac {x}{2}\right )-\frac {4 a^{4}}{3}+6 a^{2} b^{2}-\frac {2 b^{4}}{3}}{\left (a^{2}+b^{2}\right ) \left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) \left (1+\tan \left (\frac {x}{2}\right )^{2}\right )^{3}}\) | \(271\) |
risch | \(\frac {{\mathrm e}^{3 i x}}{-48 i b a +24 a^{2}-24 b^{2}}-\frac {i {\mathrm e}^{i x} b}{8 \left (-3 i b \,a^{2}+i b^{3}+a^{3}-3 a \,b^{2}\right )}-\frac {3 \,{\mathrm e}^{i x} a}{8 \left (-3 i b \,a^{2}+i b^{3}+a^{3}-3 a \,b^{2}\right )}+\frac {i {\mathrm e}^{-i x} b}{8 \left (i b +a \right )^{3}}-\frac {3 \,{\mathrm e}^{-i x} a}{8 \left (i b +a \right )^{3}}+\frac {{\mathrm e}^{-3 i x}}{24 \left (i b +a \right )^{2}}+\frac {2 a^{3} b^{2} {\mathrm e}^{i x}}{\left (-i b \,{\mathrm e}^{2 i x}+a \,{\mathrm e}^{2 i x}+i b +a \right ) \left (i b +a \right )^{3} \left (-i b +a \right )^{3}}-\frac {2 i b \,a^{4} \ln \left ({\mathrm e}^{i x}-\frac {i b +a}{\sqrt {-a^{2}-b^{2}}}\right )}{\sqrt {-a^{2}-b^{2}}\, \left (a^{2}+b^{2}\right )^{3}}+\frac {3 i b^{3} a^{2} \ln \left ({\mathrm e}^{i x}-\frac {i b +a}{\sqrt {-a^{2}-b^{2}}}\right )}{\sqrt {-a^{2}-b^{2}}\, \left (a^{2}+b^{2}\right )^{3}}+\frac {2 i b \,a^{4} \ln \left ({\mathrm e}^{i x}+\frac {i b +a}{\sqrt {-a^{2}-b^{2}}}\right )}{\sqrt {-a^{2}-b^{2}}\, \left (a^{2}+b^{2}\right )^{3}}-\frac {3 i b^{3} a^{2} \ln \left ({\mathrm e}^{i x}+\frac {i b +a}{\sqrt {-a^{2}-b^{2}}}\right )}{\sqrt {-a^{2}-b^{2}}\, \left (a^{2}+b^{2}\right )^{3}}\) | \(423\) |
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Leaf count of result is larger than twice the leaf count of optimal. 360 vs. \(2 (164) = 328\).
Time = 0.29 (sec) , antiderivative size = 360, normalized size of antiderivative = 2.09 \[ \int \frac {\cos ^2(x) \sin ^3(x)}{(a \cos (x)+b \sin (x))^2} \, dx=\frac {22 \, a^{5} b^{2} + 14 \, a^{3} b^{4} - 8 \, a b^{6} + 2 \, {\left (a^{7} + 3 \, a^{5} b^{2} + 3 \, a^{3} b^{4} + a b^{6}\right )} \cos \left (x\right )^{4} - 2 \, {\left (3 \, a^{7} + 4 \, a^{5} b^{2} - a^{3} b^{4} - 2 \, a b^{6}\right )} \cos \left (x\right )^{2} - 3 \, \sqrt {a^{2} + b^{2}} {\left ({\left (2 \, a^{5} b - 3 \, a^{3} b^{3}\right )} \cos \left (x\right ) + {\left (2 \, a^{4} b^{2} - 3 \, a^{2} b^{4}\right )} \sin \left (x\right )\right )} \log \left (-\frac {2 \, a b \cos \left (x\right ) \sin \left (x\right ) + {\left (a^{2} - b^{2}\right )} \cos \left (x\right )^{2} - 2 \, a^{2} - b^{2} + 2 \, \sqrt {a^{2} + b^{2}} {\left (b \cos \left (x\right ) - a \sin \left (x\right )\right )}}{2 \, a b \cos \left (x\right ) \sin \left (x\right ) + {\left (a^{2} - b^{2}\right )} \cos \left (x\right )^{2} + b^{2}}\right ) - 2 \, {\left ({\left (a^{6} b + 3 \, a^{4} b^{3} + 3 \, a^{2} b^{5} + b^{7}\right )} \cos \left (x\right )^{3} - 5 \, {\left (a^{6} b + 2 \, a^{4} b^{3} + a^{2} b^{5}\right )} \cos \left (x\right )\right )} \sin \left (x\right )}{6 \, {\left ({\left (a^{9} + 4 \, a^{7} b^{2} + 6 \, a^{5} b^{4} + 4 \, a^{3} b^{6} + a b^{8}\right )} \cos \left (x\right ) + {\left (a^{8} b + 4 \, a^{6} b^{3} + 6 \, a^{4} b^{5} + 4 \, a^{2} b^{7} + b^{9}\right )} \sin \left (x\right )\right )}} \]
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Timed out. \[ \int \frac {\cos ^2(x) \sin ^3(x)}{(a \cos (x)+b \sin (x))^2} \, dx=\text {Timed out} \]
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Leaf count of result is larger than twice the leaf count of optimal. 611 vs. \(2 (164) = 328\).
Time = 0.40 (sec) , antiderivative size = 611, normalized size of antiderivative = 3.55 \[ \int \frac {\cos ^2(x) \sin ^3(x)}{(a \cos (x)+b \sin (x))^2} \, dx=\frac {{\left (2 \, a^{2} b - 3 \, b^{3}\right )} a^{2} \log \left (\frac {b - \frac {a \sin \left (x\right )}{\cos \left (x\right ) + 1} + \sqrt {a^{2} + b^{2}}}{b - \frac {a \sin \left (x\right )}{\cos \left (x\right ) + 1} - \sqrt {a^{2} + b^{2}}}\right )}{{\left (a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}\right )} \sqrt {a^{2} + b^{2}}} - \frac {2 \, {\left (2 \, a^{5} - 12 \, a^{3} b^{2} + a b^{4} - \frac {{\left (2 \, a^{4} b + 15 \, a^{2} b^{3} - 2 \, b^{5}\right )} \sin \left (x\right )}{\cos \left (x\right ) + 1} + \frac {{\left (4 \, a^{5} - 30 \, a^{3} b^{2} + 11 \, a b^{4}\right )} \sin \left (x\right )^{2}}{{\left (\cos \left (x\right ) + 1\right )}^{2}} - \frac {{\left (2 \, a^{4} b + 47 \, a^{2} b^{3}\right )} \sin \left (x\right )^{3}}{{\left (\cos \left (x\right ) + 1\right )}^{3}} - \frac {{\left (6 \, a^{5} + 40 \, a^{3} b^{2} - 11 \, a b^{4}\right )} \sin \left (x\right )^{4}}{{\left (\cos \left (x\right ) + 1\right )}^{4}} + \frac {{\left (14 \, a^{4} b - 25 \, a^{2} b^{3} + 6 \, b^{5}\right )} \sin \left (x\right )^{5}}{{\left (\cos \left (x\right ) + 1\right )}^{5}} - \frac {3 \, {\left (2 \, a^{3} b^{2} - 3 \, a b^{4}\right )} \sin \left (x\right )^{6}}{{\left (\cos \left (x\right ) + 1\right )}^{6}} + \frac {3 \, {\left (2 \, a^{4} b - 3 \, a^{2} b^{3}\right )} \sin \left (x\right )^{7}}{{\left (\cos \left (x\right ) + 1\right )}^{7}}\right )}}{3 \, {\left (a^{7} + 3 \, a^{5} b^{2} + 3 \, a^{3} b^{4} + a b^{6} + \frac {2 \, {\left (a^{6} b + 3 \, a^{4} b^{3} + 3 \, a^{2} b^{5} + b^{7}\right )} \sin \left (x\right )}{\cos \left (x\right ) + 1} + \frac {2 \, {\left (a^{7} + 3 \, a^{5} b^{2} + 3 \, a^{3} b^{4} + a b^{6}\right )} \sin \left (x\right )^{2}}{{\left (\cos \left (x\right ) + 1\right )}^{2}} + \frac {6 \, {\left (a^{6} b + 3 \, a^{4} b^{3} + 3 \, a^{2} b^{5} + b^{7}\right )} \sin \left (x\right )^{3}}{{\left (\cos \left (x\right ) + 1\right )}^{3}} + \frac {6 \, {\left (a^{6} b + 3 \, a^{4} b^{3} + 3 \, a^{2} b^{5} + b^{7}\right )} \sin \left (x\right )^{5}}{{\left (\cos \left (x\right ) + 1\right )}^{5}} - \frac {2 \, {\left (a^{7} + 3 \, a^{5} b^{2} + 3 \, a^{3} b^{4} + a b^{6}\right )} \sin \left (x\right )^{6}}{{\left (\cos \left (x\right ) + 1\right )}^{6}} + \frac {2 \, {\left (a^{6} b + 3 \, a^{4} b^{3} + 3 \, a^{2} b^{5} + b^{7}\right )} \sin \left (x\right )^{7}}{{\left (\cos \left (x\right ) + 1\right )}^{7}} - \frac {{\left (a^{7} + 3 \, a^{5} b^{2} + 3 \, a^{3} b^{4} + a b^{6}\right )} \sin \left (x\right )^{8}}{{\left (\cos \left (x\right ) + 1\right )}^{8}}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 342 vs. \(2 (164) = 328\).
Time = 0.33 (sec) , antiderivative size = 342, normalized size of antiderivative = 1.99 \[ \int \frac {\cos ^2(x) \sin ^3(x)}{(a \cos (x)+b \sin (x))^2} \, dx=\frac {{\left (2 \, a^{4} b - 3 \, a^{2} b^{3}\right )} \log \left (\frac {{\left | 2 \, a \tan \left (\frac {1}{2} \, x\right ) - 2 \, b - 2 \, \sqrt {a^{2} + b^{2}} \right |}}{{\left | 2 \, a \tan \left (\frac {1}{2} \, x\right ) - 2 \, b + 2 \, \sqrt {a^{2} + b^{2}} \right |}}\right )}{{\left (a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}\right )} \sqrt {a^{2} + b^{2}}} - \frac {2 \, {\left (a^{2} b^{3} \tan \left (\frac {1}{2} \, x\right ) + a^{3} b^{2}\right )}}{{\left (a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}\right )} {\left (a \tan \left (\frac {1}{2} \, x\right )^{2} - 2 \, b \tan \left (\frac {1}{2} \, x\right ) - a\right )}} + \frac {2 \, {\left (6 \, a^{3} b \tan \left (\frac {1}{2} \, x\right )^{5} - 6 \, a b^{3} \tan \left (\frac {1}{2} \, x\right )^{5} + 9 \, a^{2} b^{2} \tan \left (\frac {1}{2} \, x\right )^{4} - 3 \, b^{4} \tan \left (\frac {1}{2} \, x\right )^{4} + 20 \, a^{3} b \tan \left (\frac {1}{2} \, x\right )^{3} - 4 \, a b^{3} \tan \left (\frac {1}{2} \, x\right )^{3} - 6 \, a^{4} \tan \left (\frac {1}{2} \, x\right )^{2} + 18 \, a^{2} b^{2} \tan \left (\frac {1}{2} \, x\right )^{2} + 6 \, a^{3} b \tan \left (\frac {1}{2} \, x\right ) - 6 \, a b^{3} \tan \left (\frac {1}{2} \, x\right ) - 2 \, a^{4} + 9 \, a^{2} b^{2} - b^{4}\right )}}{3 \, {\left (a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}\right )} {\left (\tan \left (\frac {1}{2} \, x\right )^{2} + 1\right )}^{3}} \]
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Time = 25.44 (sec) , antiderivative size = 594, normalized size of antiderivative = 3.45 \[ \int \frac {\cos ^2(x) \sin ^3(x)}{(a \cos (x)+b \sin (x))^2} \, dx=-\frac {\frac {2\,{\mathrm {tan}\left (\frac {x}{2}\right )}^6\,\left (3\,a\,b^4-2\,a^3\,b^2\right )}{a^6+3\,a^4\,b^2+3\,a^2\,b^4+b^6}-\frac {2\,{\mathrm {tan}\left (\frac {x}{2}\right )}^4\,\left (6\,a^5+40\,a^3\,b^2-11\,a\,b^4\right )}{3\,\left (a^6+3\,a^4\,b^2+3\,a^2\,b^4+b^6\right )}-\frac {2\,{\mathrm {tan}\left (\frac {x}{2}\right )}^3\,\left (2\,a^4\,b+47\,a^2\,b^3\right )}{3\,\left (a^2+b^2\right )\,\left (a^4+2\,a^2\,b^2+b^4\right )}+\frac {2\,a\,\left (2\,a^4-12\,a^2\,b^2+b^4\right )}{3\,\left (a^2+b^2\right )\,\left (a^4+2\,a^2\,b^2+b^4\right )}+\frac {2\,a\,{\mathrm {tan}\left (\frac {x}{2}\right )}^2\,\left (4\,a^4-30\,a^2\,b^2+11\,b^4\right )}{3\,\left (a^2+b^2\right )\,\left (a^4+2\,a^2\,b^2+b^4\right )}+\frac {2\,b\,{\mathrm {tan}\left (\frac {x}{2}\right )}^5\,\left (14\,a^4-25\,a^2\,b^2+6\,b^4\right )}{3\,\left (a^2+b^2\right )\,\left (a^4+2\,a^2\,b^2+b^4\right )}+\frac {2\,a^2\,b\,{\mathrm {tan}\left (\frac {x}{2}\right )}^7\,\left (2\,a^2-3\,b^2\right )}{a^6+3\,a^4\,b^2+3\,a^2\,b^4+b^6}-\frac {2\,b\,\mathrm {tan}\left (\frac {x}{2}\right )\,\left (2\,a^4+15\,a^2\,b^2-2\,b^4\right )}{3\,\left (a^2+b^2\right )\,\left (a^4+2\,a^2\,b^2+b^4\right )}}{-a\,{\mathrm {tan}\left (\frac {x}{2}\right )}^8+2\,b\,{\mathrm {tan}\left (\frac {x}{2}\right )}^7-2\,a\,{\mathrm {tan}\left (\frac {x}{2}\right )}^6+6\,b\,{\mathrm {tan}\left (\frac {x}{2}\right )}^5+6\,b\,{\mathrm {tan}\left (\frac {x}{2}\right )}^3+2\,a\,{\mathrm {tan}\left (\frac {x}{2}\right )}^2+2\,b\,\mathrm {tan}\left (\frac {x}{2}\right )+a}+\frac {a^2\,b\,\mathrm {atan}\left (\frac {1{}\mathrm {i}\,\mathrm {tan}\left (\frac {x}{2}\right )\,a^7-a^6\,b\,1{}\mathrm {i}+3{}\mathrm {i}\,\mathrm {tan}\left (\frac {x}{2}\right )\,a^5\,b^2-a^4\,b^3\,3{}\mathrm {i}+3{}\mathrm {i}\,\mathrm {tan}\left (\frac {x}{2}\right )\,a^3\,b^4-a^2\,b^5\,3{}\mathrm {i}+1{}\mathrm {i}\,\mathrm {tan}\left (\frac {x}{2}\right )\,a\,b^6-b^7\,1{}\mathrm {i}}{{\left (a^2+b^2\right )}^{7/2}}\right )\,\left (2\,a^2-3\,b^2\right )\,2{}\mathrm {i}}{{\left (a^2+b^2\right )}^{7/2}} \]
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