Integrand size = 17, antiderivative size = 92 \[ \int \frac {\tan ^2(x)}{\left (a+b \cot ^2(x)\right )^{3/2}} \, dx=\frac {\arctan \left (\frac {\sqrt {a-b} \cot (x)}{\sqrt {a+b \cot ^2(x)}}\right )}{(a-b)^{3/2}}+\frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}}+\frac {(a-2 b) \sqrt {a+b \cot ^2(x)} \tan (x)}{a^2 (a-b)} \]
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Time = 0.20 (sec) , antiderivative size = 92, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.353, Rules used = {3751, 483, 597, 12, 385, 209} \[ \int \frac {\tan ^2(x)}{\left (a+b \cot ^2(x)\right )^{3/2}} \, dx=\frac {(a-2 b) \tan (x) \sqrt {a+b \cot ^2(x)}}{a^2 (a-b)}+\frac {\arctan \left (\frac {\sqrt {a-b} \cot (x)}{\sqrt {a+b \cot ^2(x)}}\right )}{(a-b)^{3/2}}+\frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}} \]
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Rule 12
Rule 209
Rule 385
Rule 483
Rule 597
Rule 3751
Rubi steps \begin{align*} \text {integral}& = -\text {Subst}\left (\int \frac {1}{x^2 \left (1+x^2\right ) \left (a+b x^2\right )^{3/2}} \, dx,x,\cot (x)\right ) \\ & = \frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}}-\frac {\text {Subst}\left (\int \frac {a-2 b-2 b x^2}{x^2 \left (1+x^2\right ) \sqrt {a+b x^2}} \, dx,x,\cot (x)\right )}{a (a-b)} \\ & = \frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}}+\frac {(a-2 b) \sqrt {a+b \cot ^2(x)} \tan (x)}{a^2 (a-b)}+\frac {\text {Subst}\left (\int \frac {a^2}{\left (1+x^2\right ) \sqrt {a+b x^2}} \, dx,x,\cot (x)\right )}{a^2 (a-b)} \\ & = \frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}}+\frac {(a-2 b) \sqrt {a+b \cot ^2(x)} \tan (x)}{a^2 (a-b)}+\frac {\text {Subst}\left (\int \frac {1}{\left (1+x^2\right ) \sqrt {a+b x^2}} \, dx,x,\cot (x)\right )}{a-b} \\ & = \frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}}+\frac {(a-2 b) \sqrt {a+b \cot ^2(x)} \tan (x)}{a^2 (a-b)}+\frac {\text {Subst}\left (\int \frac {1}{1-(-a+b) x^2} \, dx,x,\frac {\cot (x)}{\sqrt {a+b \cot ^2(x)}}\right )}{a-b} \\ & = \frac {\arctan \left (\frac {\sqrt {a-b} \cot (x)}{\sqrt {a+b \cot ^2(x)}}\right )}{(a-b)^{3/2}}+\frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}}+\frac {(a-2 b) \sqrt {a+b \cot ^2(x)} \tan (x)}{a^2 (a-b)} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 6.95 (sec) , antiderivative size = 674, normalized size of antiderivative = 7.33 \[ \int \frac {\tan ^2(x)}{\left (a+b \cot ^2(x)\right )^{3/2}} \, dx=\frac {\sin ^2(x) \left (\frac {12 b \csc ^2(x)}{a-b}+\frac {8 b^2 \cot ^2(x) \csc ^2(x)}{a (a-b)}+\frac {16 (a-b) \cos ^2(x) \operatorname {Hypergeometric2F1}\left (2,2,\frac {7}{2},\frac {(a-b) \cos ^2(x)}{a}\right )}{15 a}+\frac {8 (a-b) b \cos ^2(x) \cot ^2(x) \operatorname {Hypergeometric2F1}\left (2,2,\frac {7}{2},\frac {(a-b) \cos ^2(x)}{a}\right )}{3 a^2}+\frac {8 (a-b) b^2 \cos ^2(x) \cot ^4(x) \operatorname {Hypergeometric2F1}\left (2,2,\frac {7}{2},\frac {(a-b) \cos ^2(x)}{a}\right )}{5 a^3}+\frac {8 (a-b) \cos ^2(x) \, _3F_2\left (2,2,2;1,\frac {7}{2};\frac {(a-b) \cos ^2(x)}{a}\right )}{15 a}+\frac {16 (a-b) b \cos ^2(x) \cot ^2(x) \, _3F_2\left (2,2,2;1,\frac {7}{2};\frac {(a-b) \cos ^2(x)}{a}\right )}{15 a^2}+\frac {8 (a-b) b^2 \cos ^2(x) \cot ^4(x) \, _3F_2\left (2,2,2;1,\frac {7}{2};\frac {(a-b) \cos ^2(x)}{a}\right )}{15 a^3}+\frac {3 a \sec ^2(x)}{a-b}-\frac {3 \arcsin \left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right )}{\left (\frac {(a-b) \cos ^2(x)}{a}\right )^{3/2} \sqrt {\frac {\left (a+b \cot ^2(x)\right ) \sin ^2(x)}{a}}}-\frac {12 b \arcsin \left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right ) \cot ^2(x)}{a \left (\frac {(a-b) \cos ^2(x)}{a}\right )^{3/2} \sqrt {\frac {\left (a+b \cot ^2(x)\right ) \sin ^2(x)}{a}}}-\frac {8 b^2 \arcsin \left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right ) \cot ^4(x)}{a^2 \left (\frac {(a-b) \cos ^2(x)}{a}\right )^{3/2} \sqrt {\frac {\left (a+b \cot ^2(x)\right ) \sin ^2(x)}{a}}}+\frac {3 \arcsin \left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right )}{\sqrt {\frac {(a-b) \cos ^2(x) \left (a+b \cot ^2(x)\right ) \sin ^2(x)}{a^2}}}+\frac {12 b \arcsin \left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right ) \cot ^2(x)}{a \sqrt {\frac {(a-b) \cos ^2(x) \left (a+b \cot ^2(x)\right ) \sin ^2(x)}{a^2}}}+\frac {8 b^2 \arcsin \left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right ) \cot ^4(x)}{a^2 \sqrt {\frac {(a-b) \cos ^2(x) \left (a+b \cot ^2(x)\right ) \sin ^2(x)}{a^2}}}\right ) \tan (x)}{a \sqrt {a+b \cot ^2(x)}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(630\) vs. \(2(82)=164\).
Time = 2.93 (sec) , antiderivative size = 631, normalized size of antiderivative = 6.86
method | result | size |
default | \(\frac {\sqrt {4}\, \left (-\sqrt {-a +b}\, a b \left (1-\cos \left (x \right )\right )^{4} \csc \left (x \right )^{4}+2 \sqrt {-a +b}\, b^{2} \left (1-\cos \left (x \right )\right )^{4} \csc \left (x \right )^{4}+\sqrt {b \left (1-\cos \left (x \right )\right )^{4} \csc \left (x \right )^{4}+4 a \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}-2 b \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}+b}\, \ln \left (\frac {4 a \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}-4 b \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}+4 \sqrt {-a +b}\, \sqrt {b \left (1-\cos \left (x \right )\right )^{4} \csc \left (x \right )^{4}+4 a \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}-2 b \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}+b}-4 a +4 b}{\left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}+1}\right ) a^{2} \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}-4 \sqrt {-a +b}\, a^{2} \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}+6 \sqrt {-a +b}\, a b \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}-4 \sqrt {-a +b}\, b^{2} \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}-\ln \left (\frac {4 a \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}-4 b \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}+4 \sqrt {-a +b}\, \sqrt {b \left (1-\cos \left (x \right )\right )^{4} \csc \left (x \right )^{4}+4 a \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}-2 b \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}+b}-4 a +4 b}{\left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}+1}\right ) \sqrt {b \left (1-\cos \left (x \right )\right )^{4} \csc \left (x \right )^{4}+4 a \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}-2 b \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}+b}\, a^{2}-a \sqrt {-a +b}\, b +2 b^{2} \sqrt {-a +b}\right ) \left (b \left (1-\cos \left (x \right )\right )^{4} \csc \left (x \right )^{4}+4 a \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}-2 b \left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}+b \right ) \sin \left (x \right )^{3}}{2 \sqrt {-a +b}\, a^{2} \left (a -b \right ) \left (\left (1-\cos \left (x \right )\right )^{2} \csc \left (x \right )^{2}-1\right ) \left (1-\cos \left (x \right )\right )^{3} \left (\frac {b \left (1-\cos \left (x \right )\right )^{4} \csc \left (x \right )^{2}+4 a \left (1-\cos \left (x \right )\right )^{2}-2 b \left (1-\cos \left (x \right )\right )^{2}+b \sin \left (x \right )^{2}}{\left (1-\cos \left (x \right )\right )^{2}}\right )^{\frac {3}{2}}}\) | \(631\) |
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Leaf count of result is larger than twice the leaf count of optimal. 170 vs. \(2 (82) = 164\).
Time = 0.35 (sec) , antiderivative size = 393, normalized size of antiderivative = 4.27 \[ \int \frac {\tan ^2(x)}{\left (a+b \cot ^2(x)\right )^{3/2}} \, dx=\left [\frac {{\left (a^{3} \tan \left (x\right )^{2} + a^{2} b\right )} \sqrt {-a + b} \log \left (-\frac {a^{2} \tan \left (x\right )^{4} - 2 \, {\left (3 \, a^{2} - 4 \, a b\right )} \tan \left (x\right )^{2} + a^{2} - 8 \, a b + 8 \, b^{2} - 4 \, {\left (a \tan \left (x\right )^{3} - {\left (a - 2 \, b\right )} \tan \left (x\right )\right )} \sqrt {-a + b} \sqrt {\frac {a \tan \left (x\right )^{2} + b}{\tan \left (x\right )^{2}}}}{\tan \left (x\right )^{4} + 2 \, \tan \left (x\right )^{2} + 1}\right ) + 4 \, {\left ({\left (a^{3} - 2 \, a^{2} b + a b^{2}\right )} \tan \left (x\right )^{3} + {\left (a^{2} b - 3 \, a b^{2} + 2 \, b^{3}\right )} \tan \left (x\right )\right )} \sqrt {\frac {a \tan \left (x\right )^{2} + b}{\tan \left (x\right )^{2}}}}{4 \, {\left (a^{4} b - 2 \, a^{3} b^{2} + a^{2} b^{3} + {\left (a^{5} - 2 \, a^{4} b + a^{3} b^{2}\right )} \tan \left (x\right )^{2}\right )}}, \frac {{\left (a^{3} \tan \left (x\right )^{2} + a^{2} b\right )} \sqrt {a - b} \arctan \left (\frac {2 \, \sqrt {a - b} \sqrt {\frac {a \tan \left (x\right )^{2} + b}{\tan \left (x\right )^{2}}} \tan \left (x\right )}{a \tan \left (x\right )^{2} - a + 2 \, b}\right ) + 2 \, {\left ({\left (a^{3} - 2 \, a^{2} b + a b^{2}\right )} \tan \left (x\right )^{3} + {\left (a^{2} b - 3 \, a b^{2} + 2 \, b^{3}\right )} \tan \left (x\right )\right )} \sqrt {\frac {a \tan \left (x\right )^{2} + b}{\tan \left (x\right )^{2}}}}{2 \, {\left (a^{4} b - 2 \, a^{3} b^{2} + a^{2} b^{3} + {\left (a^{5} - 2 \, a^{4} b + a^{3} b^{2}\right )} \tan \left (x\right )^{2}\right )}}\right ] \]
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\[ \int \frac {\tan ^2(x)}{\left (a+b \cot ^2(x)\right )^{3/2}} \, dx=\int \frac {\tan ^{2}{\left (x \right )}}{\left (a + b \cot ^{2}{\left (x \right )}\right )^{\frac {3}{2}}}\, dx \]
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\[ \int \frac {\tan ^2(x)}{\left (a+b \cot ^2(x)\right )^{3/2}} \, dx=\int { \frac {\tan \left (x\right )^{2}}{{\left (b \cot \left (x\right )^{2} + a\right )}^{\frac {3}{2}}} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 359 vs. \(2 (82) = 164\).
Time = 0.33 (sec) , antiderivative size = 359, normalized size of antiderivative = 3.90 \[ \int \frac {\tan ^2(x)}{\left (a+b \cot ^2(x)\right )^{3/2}} \, dx=\frac {{\left (a^{3} \log \left (-a - 2 \, \sqrt {-a + b} \sqrt {b} + 2 \, b\right ) + a^{2} \sqrt {-a + b} \sqrt {b} \log \left (-a - 2 \, \sqrt {-a + b} \sqrt {b} + 2 \, b\right ) - a^{2} b \log \left (-a - 2 \, \sqrt {-a + b} \sqrt {b} + 2 \, b\right ) + 2 \, a^{3} - 4 \, a^{2} b + 2 \, a \sqrt {-a + b} b^{\frac {3}{2}} - 2 \, \sqrt {-a + b} b^{\frac {5}{2}} + 2 \, b^{3}\right )} \mathrm {sgn}\left (\sin \left (x\right )\right )}{2 \, {\left (a^{4} \sqrt {-a + b} - a^{4} \sqrt {b} - 2 \, a^{3} \sqrt {-a + b} b + 2 \, a^{3} b^{\frac {3}{2}} + a^{2} \sqrt {-a + b} b^{2} - a^{2} b^{\frac {5}{2}}\right )}} + \frac {\frac {2 \, \sqrt {-a \cos \left (x\right )^{2} + b \cos \left (x\right )^{2} + a} b^{2} \cos \left (x\right )}{{\left (a^{3} - a^{2} b\right )} {\left (a \cos \left (x\right )^{2} - b \cos \left (x\right )^{2} - a\right )}} - \frac {\log \left ({\left (\sqrt {-a + b} \cos \left (x\right ) - \sqrt {-a \cos \left (x\right )^{2} + b \cos \left (x\right )^{2} + a}\right )}^{2}\right )}{{\left (a - b\right )} \sqrt {-a + b}} - \frac {4 \, \sqrt {-a + b}}{{\left ({\left (\sqrt {-a + b} \cos \left (x\right ) - \sqrt {-a \cos \left (x\right )^{2} + b \cos \left (x\right )^{2} + a}\right )}^{2} - a\right )} a}}{2 \, \mathrm {sgn}\left (\sin \left (x\right )\right )} \]
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Timed out. \[ \int \frac {\tan ^2(x)}{\left (a+b \cot ^2(x)\right )^{3/2}} \, dx=\int \frac {{\mathrm {tan}\left (x\right )}^2}{{\left (b\,{\mathrm {cot}\left (x\right )}^2+a\right )}^{3/2}} \,d x \]
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