Integrand size = 16, antiderivative size = 101 \[ \int \frac {1}{\left (a+b \sin ^2(e+f x)\right )^{3/2}} \, dx=\frac {b \cos (e+f x) \sin (e+f x)}{a (a+b) f \sqrt {a+b \sin ^2(e+f x)}}+\frac {E\left (e+f x\left |-\frac {b}{a}\right .\right ) \sqrt {a+b \sin ^2(e+f x)}}{a (a+b) f \sqrt {1+\frac {b \sin ^2(e+f x)}{a}}} \]
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Time = 0.04 (sec) , antiderivative size = 101, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {3263, 21, 3257, 3256} \[ \int \frac {1}{\left (a+b \sin ^2(e+f x)\right )^{3/2}} \, dx=\frac {b \sin (e+f x) \cos (e+f x)}{a f (a+b) \sqrt {a+b \sin ^2(e+f x)}}+\frac {\sqrt {a+b \sin ^2(e+f x)} E\left (e+f x\left |-\frac {b}{a}\right .\right )}{a f (a+b) \sqrt {\frac {b \sin ^2(e+f x)}{a}+1}} \]
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Rule 21
Rule 3256
Rule 3257
Rule 3263
Rubi steps \begin{align*} \text {integral}& = \frac {b \cos (e+f x) \sin (e+f x)}{a (a+b) f \sqrt {a+b \sin ^2(e+f x)}}-\frac {\int \frac {-a-b \sin ^2(e+f x)}{\sqrt {a+b \sin ^2(e+f x)}} \, dx}{a (a+b)} \\ & = \frac {b \cos (e+f x) \sin (e+f x)}{a (a+b) f \sqrt {a+b \sin ^2(e+f x)}}+\frac {\int \sqrt {a+b \sin ^2(e+f x)} \, dx}{a (a+b)} \\ & = \frac {b \cos (e+f x) \sin (e+f x)}{a (a+b) f \sqrt {a+b \sin ^2(e+f x)}}+\frac {\sqrt {a+b \sin ^2(e+f x)} \int \sqrt {1+\frac {b \sin ^2(e+f x)}{a}} \, dx}{a (a+b) \sqrt {1+\frac {b \sin ^2(e+f x)}{a}}} \\ & = \frac {b \cos (e+f x) \sin (e+f x)}{a (a+b) f \sqrt {a+b \sin ^2(e+f x)}}+\frac {E\left (e+f x\left |-\frac {b}{a}\right .\right ) \sqrt {a+b \sin ^2(e+f x)}}{a (a+b) f \sqrt {1+\frac {b \sin ^2(e+f x)}{a}}} \\ \end{align*}
Time = 0.14 (sec) , antiderivative size = 90, normalized size of antiderivative = 0.89 \[ \int \frac {1}{\left (a+b \sin ^2(e+f x)\right )^{3/2}} \, dx=\frac {2 a \sqrt {\frac {2 a+b-b \cos (2 (e+f x))}{a}} E\left (e+f x\left |-\frac {b}{a}\right .\right )+\sqrt {2} b \sin (2 (e+f x))}{2 a (a+b) f \sqrt {2 a+b-b \cos (2 (e+f x))}} \]
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Time = 1.29 (sec) , antiderivative size = 103, normalized size of antiderivative = 1.02
method | result | size |
default | \(\frac {\sqrt {\frac {\cos \left (2 f x +2 e \right )}{2}+\frac {1}{2}}\, \sqrt {-\frac {b \left (\cos ^{2}\left (f x +e \right )\right )}{a}+\frac {a +b}{a}}\, a E\left (\sin \left (f x +e \right ), \sqrt {-\frac {b}{a}}\right )+\left (\cos ^{2}\left (f x +e \right )\right ) \sin \left (f x +e \right ) b}{a \left (a +b \right ) \cos \left (f x +e \right ) \sqrt {a +b \left (\sin ^{2}\left (f x +e \right )\right )}\, f}\) | \(103\) |
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Result contains complex when optimal does not.
Time = 0.15 (sec) , antiderivative size = 938, normalized size of antiderivative = 9.29 \[ \int \frac {1}{\left (a+b \sin ^2(e+f x)\right )^{3/2}} \, dx=-\frac {2 \, \sqrt {-b \cos \left (f x + e\right )^{2} + a + b} b^{3} \cos \left (f x + e\right ) \sin \left (f x + e\right ) - {\left (2 \, {\left (i \, b^{3} \cos \left (f x + e\right )^{2} - i \, a b^{2} - i \, b^{3}\right )} \sqrt {-b} \sqrt {\frac {a^{2} + a b}{b^{2}}} - {\left (2 i \, a^{2} b + 3 i \, a b^{2} + i \, b^{3} + {\left (-2 i \, a b^{2} - i \, b^{3}\right )} \cos \left (f x + e\right )^{2}\right )} \sqrt {-b}\right )} \sqrt {\frac {2 \, b \sqrt {\frac {a^{2} + a b}{b^{2}}} + 2 \, a + b}{b}} E(\arcsin \left (\sqrt {\frac {2 \, b \sqrt {\frac {a^{2} + a b}{b^{2}}} + 2 \, a + b}{b}} {\left (\cos \left (f x + e\right ) + i \, \sin \left (f x + e\right )\right )}\right )\,|\,\frac {8 \, a^{2} + 8 \, a b + b^{2} - 4 \, {\left (2 \, a b + b^{2}\right )} \sqrt {\frac {a^{2} + a b}{b^{2}}}}{b^{2}}) - {\left (2 \, {\left (-i \, b^{3} \cos \left (f x + e\right )^{2} + i \, a b^{2} + i \, b^{3}\right )} \sqrt {-b} \sqrt {\frac {a^{2} + a b}{b^{2}}} - {\left (-2 i \, a^{2} b - 3 i \, a b^{2} - i \, b^{3} + {\left (2 i \, a b^{2} + i \, b^{3}\right )} \cos \left (f x + e\right )^{2}\right )} \sqrt {-b}\right )} \sqrt {\frac {2 \, b \sqrt {\frac {a^{2} + a b}{b^{2}}} + 2 \, a + b}{b}} E(\arcsin \left (\sqrt {\frac {2 \, b \sqrt {\frac {a^{2} + a b}{b^{2}}} + 2 \, a + b}{b}} {\left (\cos \left (f x + e\right ) - i \, \sin \left (f x + e\right )\right )}\right )\,|\,\frac {8 \, a^{2} + 8 \, a b + b^{2} - 4 \, {\left (2 \, a b + b^{2}\right )} \sqrt {\frac {a^{2} + a b}{b^{2}}}}{b^{2}}) + 2 \, {\left (2 \, {\left (-i \, a^{2} b - 2 i \, a b^{2} - i \, b^{3} + {\left (i \, a b^{2} + i \, b^{3}\right )} \cos \left (f x + e\right )^{2}\right )} \sqrt {-b} \sqrt {\frac {a^{2} + a b}{b^{2}}} + {\left (2 i \, a^{3} + 3 i \, a^{2} b + i \, a b^{2} + {\left (-2 i \, a^{2} b - i \, a b^{2}\right )} \cos \left (f x + e\right )^{2}\right )} \sqrt {-b}\right )} \sqrt {\frac {2 \, b \sqrt {\frac {a^{2} + a b}{b^{2}}} + 2 \, a + b}{b}} F(\arcsin \left (\sqrt {\frac {2 \, b \sqrt {\frac {a^{2} + a b}{b^{2}}} + 2 \, a + b}{b}} {\left (\cos \left (f x + e\right ) + i \, \sin \left (f x + e\right )\right )}\right )\,|\,\frac {8 \, a^{2} + 8 \, a b + b^{2} - 4 \, {\left (2 \, a b + b^{2}\right )} \sqrt {\frac {a^{2} + a b}{b^{2}}}}{b^{2}}) + 2 \, {\left (2 \, {\left (i \, a^{2} b + 2 i \, a b^{2} + i \, b^{3} + {\left (-i \, a b^{2} - i \, b^{3}\right )} \cos \left (f x + e\right )^{2}\right )} \sqrt {-b} \sqrt {\frac {a^{2} + a b}{b^{2}}} + {\left (-2 i \, a^{3} - 3 i \, a^{2} b - i \, a b^{2} + {\left (2 i \, a^{2} b + i \, a b^{2}\right )} \cos \left (f x + e\right )^{2}\right )} \sqrt {-b}\right )} \sqrt {\frac {2 \, b \sqrt {\frac {a^{2} + a b}{b^{2}}} + 2 \, a + b}{b}} F(\arcsin \left (\sqrt {\frac {2 \, b \sqrt {\frac {a^{2} + a b}{b^{2}}} + 2 \, a + b}{b}} {\left (\cos \left (f x + e\right ) - i \, \sin \left (f x + e\right )\right )}\right )\,|\,\frac {8 \, a^{2} + 8 \, a b + b^{2} - 4 \, {\left (2 \, a b + b^{2}\right )} \sqrt {\frac {a^{2} + a b}{b^{2}}}}{b^{2}})}{2 \, {\left ({\left (a^{2} b^{3} + a b^{4}\right )} f \cos \left (f x + e\right )^{2} - {\left (a^{3} b^{2} + 2 \, a^{2} b^{3} + a b^{4}\right )} f\right )}} \]
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\[ \int \frac {1}{\left (a+b \sin ^2(e+f x)\right )^{3/2}} \, dx=\int \frac {1}{\left (a + b \sin ^{2}{\left (e + f x \right )}\right )^{\frac {3}{2}}}\, dx \]
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\[ \int \frac {1}{\left (a+b \sin ^2(e+f x)\right )^{3/2}} \, dx=\int { \frac {1}{{\left (b \sin \left (f x + e\right )^{2} + a\right )}^{\frac {3}{2}}} \,d x } \]
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\[ \int \frac {1}{\left (a+b \sin ^2(e+f x)\right )^{3/2}} \, dx=\int { \frac {1}{{\left (b \sin \left (f x + e\right )^{2} + a\right )}^{\frac {3}{2}}} \,d x } \]
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Timed out. \[ \int \frac {1}{\left (a+b \sin ^2(e+f x)\right )^{3/2}} \, dx=\int \frac {1}{{\left (b\,{\sin \left (e+f\,x\right )}^2+a\right )}^{3/2}} \,d x \]
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