Integrand size = 25, antiderivative size = 118 \[ \int \sqrt {a+b \sin ^2(e+f x)} \tan ^3(e+f x) \, dx=-\frac {(2 a+3 b) \text {arctanh}\left (\frac {\sqrt {a+b \sin ^2(e+f x)}}{\sqrt {a+b}}\right )}{2 \sqrt {a+b} f}+\frac {(2 a+3 b) \sqrt {a+b \sin ^2(e+f x)}}{2 (a+b) f}+\frac {\sec ^2(e+f x) \left (a+b \sin ^2(e+f x)\right )^{3/2}}{2 (a+b) f} \]
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Time = 0.12 (sec) , antiderivative size = 118, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {3273, 79, 52, 65, 214} \[ \int \sqrt {a+b \sin ^2(e+f x)} \tan ^3(e+f x) \, dx=-\frac {(2 a+3 b) \text {arctanh}\left (\frac {\sqrt {a+b \sin ^2(e+f x)}}{\sqrt {a+b}}\right )}{2 f \sqrt {a+b}}+\frac {(2 a+3 b) \sqrt {a+b \sin ^2(e+f x)}}{2 f (a+b)}+\frac {\sec ^2(e+f x) \left (a+b \sin ^2(e+f x)\right )^{3/2}}{2 f (a+b)} \]
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Rule 52
Rule 65
Rule 79
Rule 214
Rule 3273
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {x \sqrt {a+b x}}{(1-x)^2} \, dx,x,\sin ^2(e+f x)\right )}{2 f} \\ & = \frac {\sec ^2(e+f x) \left (a+b \sin ^2(e+f x)\right )^{3/2}}{2 (a+b) f}-\frac {(2 a+3 b) \text {Subst}\left (\int \frac {\sqrt {a+b x}}{1-x} \, dx,x,\sin ^2(e+f x)\right )}{4 (a+b) f} \\ & = \frac {(2 a+3 b) \sqrt {a+b \sin ^2(e+f x)}}{2 (a+b) f}+\frac {\sec ^2(e+f x) \left (a+b \sin ^2(e+f x)\right )^{3/2}}{2 (a+b) f}-\frac {(2 a+3 b) \text {Subst}\left (\int \frac {1}{(1-x) \sqrt {a+b x}} \, dx,x,\sin ^2(e+f x)\right )}{4 f} \\ & = \frac {(2 a+3 b) \sqrt {a+b \sin ^2(e+f x)}}{2 (a+b) f}+\frac {\sec ^2(e+f x) \left (a+b \sin ^2(e+f x)\right )^{3/2}}{2 (a+b) f}-\frac {(2 a+3 b) \text {Subst}\left (\int \frac {1}{1+\frac {a}{b}-\frac {x^2}{b}} \, dx,x,\sqrt {a+b \sin ^2(e+f x)}\right )}{2 b f} \\ & = -\frac {(2 a+3 b) \text {arctanh}\left (\frac {\sqrt {a+b \sin ^2(e+f x)}}{\sqrt {a+b}}\right )}{2 \sqrt {a+b} f}+\frac {(2 a+3 b) \sqrt {a+b \sin ^2(e+f x)}}{2 (a+b) f}+\frac {\sec ^2(e+f x) \left (a+b \sin ^2(e+f x)\right )^{3/2}}{2 (a+b) f} \\ \end{align*}
Time = 0.43 (sec) , antiderivative size = 84, normalized size of antiderivative = 0.71 \[ \int \sqrt {a+b \sin ^2(e+f x)} \tan ^3(e+f x) \, dx=\frac {-\frac {(2 a+3 b) \text {arctanh}\left (\frac {\sqrt {a+b \sin ^2(e+f x)}}{\sqrt {a+b}}\right )}{\sqrt {a+b}}+(2+\cos (2 (e+f x))) \sec ^2(e+f x) \sqrt {a+b \sin ^2(e+f x)}}{2 f} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(402\) vs. \(2(102)=204\).
Time = 1.59 (sec) , antiderivative size = 403, normalized size of antiderivative = 3.42
method | result | size |
default | \(\frac {-\left (2 \ln \left (\frac {2 \sqrt {a +b}\, \sqrt {a +b -b \left (\cos ^{2}\left (f x +e \right )\right )}-2 b \sin \left (f x +e \right )+2 a}{1+\sin \left (f x +e \right )}\right ) a^{2}+5 \ln \left (\frac {2 \sqrt {a +b}\, \sqrt {a +b -b \left (\cos ^{2}\left (f x +e \right )\right )}-2 b \sin \left (f x +e \right )+2 a}{1+\sin \left (f x +e \right )}\right ) a b +3 \ln \left (\frac {2 \sqrt {a +b}\, \sqrt {a +b -b \left (\cos ^{2}\left (f x +e \right )\right )}-2 b \sin \left (f x +e \right )+2 a}{1+\sin \left (f x +e \right )}\right ) b^{2}+2 \ln \left (\frac {2 \sqrt {a +b}\, \sqrt {a +b -b \left (\cos ^{2}\left (f x +e \right )\right )}+2 b \sin \left (f x +e \right )+2 a}{\sin \left (f x +e \right )-1}\right ) a^{2}+5 \ln \left (\frac {2 \sqrt {a +b}\, \sqrt {a +b -b \left (\cos ^{2}\left (f x +e \right )\right )}+2 b \sin \left (f x +e \right )+2 a}{\sin \left (f x +e \right )-1}\right ) a b +3 \ln \left (\frac {2 \sqrt {a +b}\, \sqrt {a +b -b \left (\cos ^{2}\left (f x +e \right )\right )}+2 b \sin \left (f x +e \right )+2 a}{\sin \left (f x +e \right )-1}\right ) b^{2}-4 \sqrt {a +b}\, \sqrt {a +b -b \left (\cos ^{2}\left (f x +e \right )\right )}\, a -6 b \sqrt {a +b -b \left (\cos ^{2}\left (f x +e \right )\right )}\, \sqrt {a +b}\right ) \left (\cos ^{2}\left (f x +e \right )\right )+2 {\left (a +b -b \left (\cos ^{2}\left (f x +e \right )\right )\right )}^{\frac {3}{2}} \sqrt {a +b}}{4 \left (a +b \right )^{\frac {3}{2}} \cos \left (f x +e \right )^{2} f}\) | \(403\) |
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Time = 0.56 (sec) , antiderivative size = 234, normalized size of antiderivative = 1.98 \[ \int \sqrt {a+b \sin ^2(e+f x)} \tan ^3(e+f x) \, dx=\left [\frac {{\left (2 \, a + 3 \, b\right )} \sqrt {a + b} \cos \left (f x + e\right )^{2} \log \left (\frac {b \cos \left (f x + e\right )^{2} + 2 \, \sqrt {-b \cos \left (f x + e\right )^{2} + a + b} \sqrt {a + b} - 2 \, a - 2 \, b}{\cos \left (f x + e\right )^{2}}\right ) + 2 \, {\left (2 \, {\left (a + b\right )} \cos \left (f x + e\right )^{2} + a + b\right )} \sqrt {-b \cos \left (f x + e\right )^{2} + a + b}}{4 \, {\left (a + b\right )} f \cos \left (f x + e\right )^{2}}, \frac {{\left (2 \, a + 3 \, b\right )} \sqrt {-a - b} \arctan \left (\frac {\sqrt {-b \cos \left (f x + e\right )^{2} + a + b} \sqrt {-a - b}}{a + b}\right ) \cos \left (f x + e\right )^{2} + {\left (2 \, {\left (a + b\right )} \cos \left (f x + e\right )^{2} + a + b\right )} \sqrt {-b \cos \left (f x + e\right )^{2} + a + b}}{2 \, {\left (a + b\right )} f \cos \left (f x + e\right )^{2}}\right ] \]
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\[ \int \sqrt {a+b \sin ^2(e+f x)} \tan ^3(e+f x) \, dx=\int \sqrt {a + b \sin ^{2}{\left (e + f x \right )}} \tan ^{3}{\left (e + f x \right )}\, dx \]
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Time = 0.39 (sec) , antiderivative size = 127, normalized size of antiderivative = 1.08 \[ \int \sqrt {a+b \sin ^2(e+f x)} \tan ^3(e+f x) \, dx=\frac {4 \, \sqrt {b \sin \left (f x + e\right )^{2} + a} b^{2} - \frac {2 \, \sqrt {b \sin \left (f x + e\right )^{2} + a} b^{3}}{b \sin \left (f x + e\right )^{2} - b} + \frac {{\left (2 \, a b^{2} + 3 \, b^{3}\right )} \log \left (\frac {\sqrt {b \sin \left (f x + e\right )^{2} + a} - \sqrt {a + b}}{\sqrt {b \sin \left (f x + e\right )^{2} + a} + \sqrt {a + b}}\right )}{\sqrt {a + b}}}{4 \, b^{2} f} \]
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Leaf count of result is larger than twice the leaf count of optimal. 959 vs. \(2 (102) = 204\).
Time = 0.84 (sec) , antiderivative size = 959, normalized size of antiderivative = 8.13 \[ \int \sqrt {a+b \sin ^2(e+f x)} \tan ^3(e+f x) \, dx=\text {Too large to display} \]
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Timed out. \[ \int \sqrt {a+b \sin ^2(e+f x)} \tan ^3(e+f x) \, dx=\int {\mathrm {tan}\left (e+f\,x\right )}^3\,\sqrt {b\,{\sin \left (e+f\,x\right )}^2+a} \,d x \]
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