Integrand size = 23, antiderivative size = 127 \[ \int \frac {\csc ^2(c+d x)}{\left (a+b \sin ^2(c+d x)\right )^2} \, dx=-\frac {b (4 a+3 b) \arctan \left (\frac {\sqrt {a+b} \tan (c+d x)}{\sqrt {a}}\right )}{2 a^{5/2} (a+b)^{3/2} d}-\frac {\cot (c+d x)}{a d \left (a+b \sin ^2(c+d x)\right )}-\frac {\left (2 a b+3 b^2\right ) \cos (c+d x) \sin (c+d x)}{2 a^2 (a+b) d \left (a+b \sin ^2(c+d x)\right )} \]
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Time = 0.10 (sec) , antiderivative size = 130, normalized size of antiderivative = 1.02, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.174, Rules used = {3266, 473, 393, 211} \[ \int \frac {\csc ^2(c+d x)}{\left (a+b \sin ^2(c+d x)\right )^2} \, dx=-\frac {b (4 a+3 b) \arctan \left (\frac {\sqrt {a+b} \tan (c+d x)}{\sqrt {a}}\right )}{2 a^{5/2} d (a+b)^{3/2}}-\frac {\left (2 a^2+4 a b+3 b^2\right ) \tan (c+d x)}{2 a^2 d (a+b) \left ((a+b) \tan ^2(c+d x)+a\right )}-\frac {\cot (c+d x)}{a d \left ((a+b) \tan ^2(c+d x)+a\right )} \]
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Rule 211
Rule 393
Rule 473
Rule 3266
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {\left (1+x^2\right )^2}{x^2 \left (a+(a+b) x^2\right )^2} \, dx,x,\tan (c+d x)\right )}{d} \\ & = -\frac {\cot (c+d x)}{a d \left (a+(a+b) \tan ^2(c+d x)\right )}+\frac {\text {Subst}\left (\int \frac {-a-3 b+a x^2}{\left (a+(a+b) x^2\right )^2} \, dx,x,\tan (c+d x)\right )}{a d} \\ & = -\frac {\cot (c+d x)}{a d \left (a+(a+b) \tan ^2(c+d x)\right )}-\frac {\left (2 a^2+4 a b+3 b^2\right ) \tan (c+d x)}{2 a^2 (a+b) d \left (a+(a+b) \tan ^2(c+d x)\right )}-\frac {(b (4 a+3 b)) \text {Subst}\left (\int \frac {1}{a+(a+b) x^2} \, dx,x,\tan (c+d x)\right )}{2 a^2 (a+b) d} \\ & = -\frac {b (4 a+3 b) \arctan \left (\frac {\sqrt {a+b} \tan (c+d x)}{\sqrt {a}}\right )}{2 a^{5/2} (a+b)^{3/2} d}-\frac {\cot (c+d x)}{a d \left (a+(a+b) \tan ^2(c+d x)\right )}-\frac {\left (2 a^2+4 a b+3 b^2\right ) \tan (c+d x)}{2 a^2 (a+b) d \left (a+(a+b) \tan ^2(c+d x)\right )} \\ \end{align*}
Time = 1.26 (sec) , antiderivative size = 155, normalized size of antiderivative = 1.22 \[ \int \frac {\csc ^2(c+d x)}{\left (a+b \sin ^2(c+d x)\right )^2} \, dx=-\frac {(2 a+b-b \cos (2 (c+d x))) \left (b (4 a+3 b) \arctan \left (\frac {\sqrt {a+b} \tan (c+d x)}{\sqrt {a}}\right ) (2 a+b-b \cos (2 (c+d x)))+\sqrt {a} \sqrt {a+b} \left (4 a^2+6 a b+3 b^2-b (2 a+3 b) \cos (2 (c+d x))\right ) \cot (c+d x)\right ) \csc ^4(c+d x)}{8 a^{5/2} (a+b)^{3/2} d \left (b+a \csc ^2(c+d x)\right )^2} \]
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Time = 0.91 (sec) , antiderivative size = 103, normalized size of antiderivative = 0.81
method | result | size |
derivativedivides | \(\frac {-\frac {1}{a^{2} \tan \left (d x +c \right )}-\frac {b \left (\frac {b \tan \left (d x +c \right )}{2 \left (a +b \right ) \left (a \left (\tan ^{2}\left (d x +c \right )\right )+\left (\tan ^{2}\left (d x +c \right )\right ) b +a \right )}+\frac {\left (4 a +3 b \right ) \arctan \left (\frac {\left (a +b \right ) \tan \left (d x +c \right )}{\sqrt {a \left (a +b \right )}}\right )}{2 \left (a +b \right ) \sqrt {a \left (a +b \right )}}\right )}{a^{2}}}{d}\) | \(103\) |
default | \(\frac {-\frac {1}{a^{2} \tan \left (d x +c \right )}-\frac {b \left (\frac {b \tan \left (d x +c \right )}{2 \left (a +b \right ) \left (a \left (\tan ^{2}\left (d x +c \right )\right )+\left (\tan ^{2}\left (d x +c \right )\right ) b +a \right )}+\frac {\left (4 a +3 b \right ) \arctan \left (\frac {\left (a +b \right ) \tan \left (d x +c \right )}{\sqrt {a \left (a +b \right )}}\right )}{2 \left (a +b \right ) \sqrt {a \left (a +b \right )}}\right )}{a^{2}}}{d}\) | \(103\) |
risch | \(-\frac {i \left (-4 a b \,{\mathrm e}^{4 i \left (d x +c \right )}-3 b^{2} {\mathrm e}^{4 i \left (d x +c \right )}+8 a^{2} {\mathrm e}^{2 i \left (d x +c \right )}+14 a b \,{\mathrm e}^{2 i \left (d x +c \right )}+6 b^{2} {\mathrm e}^{2 i \left (d x +c \right )}-2 a b -3 b^{2}\right )}{a^{2} \left (a +b \right ) d \left (-b \,{\mathrm e}^{4 i \left (d x +c \right )}+4 a \,{\mathrm e}^{2 i \left (d x +c \right )}+2 b \,{\mathrm e}^{2 i \left (d x +c \right )}-b \right ) \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )}+\frac {\ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-\frac {2 i a^{2}+2 i a b +2 a \sqrt {-a^{2}-a b}+b \sqrt {-a^{2}-a b}}{b \sqrt {-a^{2}-a b}}\right ) b}{\sqrt {-a^{2}-a b}\, \left (a +b \right ) d a}+\frac {3 b^{2} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-\frac {2 i a^{2}+2 i a b +2 a \sqrt {-a^{2}-a b}+b \sqrt {-a^{2}-a b}}{b \sqrt {-a^{2}-a b}}\right )}{4 \sqrt {-a^{2}-a b}\, \left (a +b \right ) d \,a^{2}}-\frac {\ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+\frac {2 i a^{2}+2 i a b -2 a \sqrt {-a^{2}-a b}-b \sqrt {-a^{2}-a b}}{b \sqrt {-a^{2}-a b}}\right ) b}{\sqrt {-a^{2}-a b}\, \left (a +b \right ) d a}-\frac {3 b^{2} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+\frac {2 i a^{2}+2 i a b -2 a \sqrt {-a^{2}-a b}-b \sqrt {-a^{2}-a b}}{b \sqrt {-a^{2}-a b}}\right )}{4 \sqrt {-a^{2}-a b}\, \left (a +b \right ) d \,a^{2}}\) | \(532\) |
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Leaf count of result is larger than twice the leaf count of optimal. 243 vs. \(2 (115) = 230\).
Time = 0.30 (sec) , antiderivative size = 588, normalized size of antiderivative = 4.63 \[ \int \frac {\csc ^2(c+d x)}{\left (a+b \sin ^2(c+d x)\right )^2} \, dx=\left [-\frac {4 \, {\left (2 \, a^{3} b + 5 \, a^{2} b^{2} + 3 \, a b^{3}\right )} \cos \left (d x + c\right )^{3} - {\left (4 \, a^{2} b + 7 \, a b^{2} + 3 \, b^{3} - {\left (4 \, a b^{2} + 3 \, b^{3}\right )} \cos \left (d x + c\right )^{2}\right )} \sqrt {-a^{2} - a b} \log \left (\frac {{\left (8 \, a^{2} + 8 \, a b + b^{2}\right )} \cos \left (d x + c\right )^{4} - 2 \, {\left (4 \, a^{2} + 5 \, a b + b^{2}\right )} \cos \left (d x + c\right )^{2} - 4 \, {\left ({\left (2 \, a + b\right )} \cos \left (d x + c\right )^{3} - {\left (a + b\right )} \cos \left (d x + c\right )\right )} \sqrt {-a^{2} - a b} \sin \left (d x + c\right ) + a^{2} + 2 \, a b + b^{2}}{b^{2} \cos \left (d x + c\right )^{4} - 2 \, {\left (a b + b^{2}\right )} \cos \left (d x + c\right )^{2} + a^{2} + 2 \, a b + b^{2}}\right ) \sin \left (d x + c\right ) - 4 \, {\left (2 \, a^{4} + 6 \, a^{3} b + 7 \, a^{2} b^{2} + 3 \, a b^{3}\right )} \cos \left (d x + c\right )}{8 \, {\left ({\left (a^{5} b + 2 \, a^{4} b^{2} + a^{3} b^{3}\right )} d \cos \left (d x + c\right )^{2} - {\left (a^{6} + 3 \, a^{5} b + 3 \, a^{4} b^{2} + a^{3} b^{3}\right )} d\right )} \sin \left (d x + c\right )}, -\frac {2 \, {\left (2 \, a^{3} b + 5 \, a^{2} b^{2} + 3 \, a b^{3}\right )} \cos \left (d x + c\right )^{3} + {\left (4 \, a^{2} b + 7 \, a b^{2} + 3 \, b^{3} - {\left (4 \, a b^{2} + 3 \, b^{3}\right )} \cos \left (d x + c\right )^{2}\right )} \sqrt {a^{2} + a b} \arctan \left (\frac {{\left (2 \, a + b\right )} \cos \left (d x + c\right )^{2} - a - b}{2 \, \sqrt {a^{2} + a b} \cos \left (d x + c\right ) \sin \left (d x + c\right )}\right ) \sin \left (d x + c\right ) - 2 \, {\left (2 \, a^{4} + 6 \, a^{3} b + 7 \, a^{2} b^{2} + 3 \, a b^{3}\right )} \cos \left (d x + c\right )}{4 \, {\left ({\left (a^{5} b + 2 \, a^{4} b^{2} + a^{3} b^{3}\right )} d \cos \left (d x + c\right )^{2} - {\left (a^{6} + 3 \, a^{5} b + 3 \, a^{4} b^{2} + a^{3} b^{3}\right )} d\right )} \sin \left (d x + c\right )}\right ] \]
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\[ \int \frac {\csc ^2(c+d x)}{\left (a+b \sin ^2(c+d x)\right )^2} \, dx=\int \frac {\csc ^{2}{\left (c + d x \right )}}{\left (a + b \sin ^{2}{\left (c + d x \right )}\right )^{2}}\, dx \]
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Time = 0.44 (sec) , antiderivative size = 133, normalized size of antiderivative = 1.05 \[ \int \frac {\csc ^2(c+d x)}{\left (a+b \sin ^2(c+d x)\right )^2} \, dx=-\frac {\frac {{\left (4 \, a b + 3 \, b^{2}\right )} \arctan \left (\frac {{\left (a + b\right )} \tan \left (d x + c\right )}{\sqrt {{\left (a + b\right )} a}}\right )}{{\left (a^{3} + a^{2} b\right )} \sqrt {{\left (a + b\right )} a}} + \frac {{\left (2 \, a^{2} + 4 \, a b + 3 \, b^{2}\right )} \tan \left (d x + c\right )^{2} + 2 \, a^{2} + 2 \, a b}{{\left (a^{4} + 2 \, a^{3} b + a^{2} b^{2}\right )} \tan \left (d x + c\right )^{3} + {\left (a^{4} + a^{3} b\right )} \tan \left (d x + c\right )}}{2 \, d} \]
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Time = 0.38 (sec) , antiderivative size = 179, normalized size of antiderivative = 1.41 \[ \int \frac {\csc ^2(c+d x)}{\left (a+b \sin ^2(c+d x)\right )^2} \, dx=-\frac {\frac {{\left (\pi \left \lfloor \frac {d x + c}{\pi } + \frac {1}{2} \right \rfloor \mathrm {sgn}\left (2 \, a + 2 \, b\right ) + \arctan \left (\frac {a \tan \left (d x + c\right ) + b \tan \left (d x + c\right )}{\sqrt {a^{2} + a b}}\right )\right )} {\left (4 \, a b + 3 \, b^{2}\right )}}{{\left (a^{3} + a^{2} b\right )} \sqrt {a^{2} + a b}} + \frac {2 \, a^{2} \tan \left (d x + c\right )^{2} + 4 \, a b \tan \left (d x + c\right )^{2} + 3 \, b^{2} \tan \left (d x + c\right )^{2} + 2 \, a^{2} + 2 \, a b}{{\left (a \tan \left (d x + c\right )^{3} + b \tan \left (d x + c\right )^{3} + a \tan \left (d x + c\right )\right )} {\left (a^{3} + a^{2} b\right )}}}{2 \, d} \]
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Time = 13.73 (sec) , antiderivative size = 132, normalized size of antiderivative = 1.04 \[ \int \frac {\csc ^2(c+d x)}{\left (a+b \sin ^2(c+d x)\right )^2} \, dx=-\frac {\frac {1}{a}+\frac {{\mathrm {tan}\left (c+d\,x\right )}^2\,\left (2\,a^2+4\,a\,b+3\,b^2\right )}{2\,a^2\,\left (a+b\right )}}{d\,\left (\left (a+b\right )\,{\mathrm {tan}\left (c+d\,x\right )}^3+a\,\mathrm {tan}\left (c+d\,x\right )\right )}-\frac {b\,\mathrm {atan}\left (\frac {b\,\mathrm {tan}\left (c+d\,x\right )\,\left (a^3+b\,a^2\right )\,\left (4\,a+3\,b\right )}{a^{5/2}\,\sqrt {a+b}\,\left (3\,b^2+4\,a\,b\right )}\right )\,\left (4\,a+3\,b\right )}{2\,a^{5/2}\,d\,{\left (a+b\right )}^{3/2}} \]
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