Integrand size = 26, antiderivative size = 66 \[ \int \sqrt {a+a \sec (e+f x)} (c-c \sec (e+f x)) \, dx=\frac {2 \sqrt {a} c \arctan \left (\frac {\sqrt {a} \tan (e+f x)}{\sqrt {a+a \sec (e+f x)}}\right )}{f}-\frac {2 a c \tan (e+f x)}{f \sqrt {a+a \sec (e+f x)}} \]
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Time = 0.14 (sec) , antiderivative size = 66, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {3989, 3972, 327, 209} \[ \int \sqrt {a+a \sec (e+f x)} (c-c \sec (e+f x)) \, dx=\frac {2 \sqrt {a} c \arctan \left (\frac {\sqrt {a} \tan (e+f x)}{\sqrt {a \sec (e+f x)+a}}\right )}{f}-\frac {2 a c \tan (e+f x)}{f \sqrt {a \sec (e+f x)+a}} \]
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Rule 209
Rule 327
Rule 3972
Rule 3989
Rubi steps \begin{align*} \text {integral}& = -\left ((a c) \int \frac {\tan ^2(e+f x)}{\sqrt {a+a \sec (e+f x)}} \, dx\right ) \\ & = \frac {\left (2 a^2 c\right ) \text {Subst}\left (\int \frac {x^2}{1+a x^2} \, dx,x,-\frac {\tan (e+f x)}{\sqrt {a+a \sec (e+f x)}}\right )}{f} \\ & = -\frac {2 a c \tan (e+f x)}{f \sqrt {a+a \sec (e+f x)}}-\frac {(2 a c) \text {Subst}\left (\int \frac {1}{1+a x^2} \, dx,x,-\frac {\tan (e+f x)}{\sqrt {a+a \sec (e+f x)}}\right )}{f} \\ & = \frac {2 \sqrt {a} c \arctan \left (\frac {\sqrt {a} \tan (e+f x)}{\sqrt {a+a \sec (e+f x)}}\right )}{f}-\frac {2 a c \tan (e+f x)}{f \sqrt {a+a \sec (e+f x)}} \\ \end{align*}
Time = 0.53 (sec) , antiderivative size = 91, normalized size of antiderivative = 1.38 \[ \int \sqrt {a+a \sec (e+f x)} (c-c \sec (e+f x)) \, dx=\frac {2 c \sqrt {a (1+\sec (e+f x))} \left (\sqrt {c} \text {arctanh}\left (\frac {\sqrt {c-c \sec (e+f x)}}{\sqrt {c}}\right )-\sqrt {c-c \sec (e+f x)}\right ) \tan \left (\frac {1}{2} (e+f x)\right )}{f \sqrt {c-c \sec (e+f x)}} \]
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Time = 3.98 (sec) , antiderivative size = 93, normalized size of antiderivative = 1.41
method | result | size |
default | \(\frac {2 c \sqrt {a \left (\sec \left (f x +e \right )+1\right )}\, \left (\operatorname {arctanh}\left (\frac {\sin \left (f x +e \right )}{\left (\cos \left (f x +e \right )+1\right ) \sqrt {-\frac {\cos \left (f x +e \right )}{\cos \left (f x +e \right )+1}}}\right ) \sqrt {-\frac {\cos \left (f x +e \right )}{\cos \left (f x +e \right )+1}}+\cot \left (f x +e \right )-\csc \left (f x +e \right )\right )}{f}\) | \(93\) |
parts | \(\frac {2 c \sqrt {a \left (\sec \left (f x +e \right )+1\right )}\, \sqrt {-\frac {\cos \left (f x +e \right )}{\cos \left (f x +e \right )+1}}\, \operatorname {arctanh}\left (\frac {\sin \left (f x +e \right )}{\left (\cos \left (f x +e \right )+1\right ) \sqrt {-\frac {\cos \left (f x +e \right )}{\cos \left (f x +e \right )+1}}}\right )}{f}+\frac {2 c \sqrt {a \left (\sec \left (f x +e \right )+1\right )}\, \left (\cot \left (f x +e \right )-\csc \left (f x +e \right )\right )}{f}\) | \(111\) |
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none
Time = 0.27 (sec) , antiderivative size = 234, normalized size of antiderivative = 3.55 \[ \int \sqrt {a+a \sec (e+f x)} (c-c \sec (e+f x)) \, dx=\left [\frac {{\left (c \cos \left (f x + e\right ) + c\right )} \sqrt {-a} \log \left (\frac {2 \, a \cos \left (f x + e\right )^{2} - 2 \, \sqrt {-a} \sqrt {\frac {a \cos \left (f x + e\right ) + a}{\cos \left (f x + e\right )}} \cos \left (f x + e\right ) \sin \left (f x + e\right ) + a \cos \left (f x + e\right ) - a}{\cos \left (f x + e\right ) + 1}\right ) - 2 \, c \sqrt {\frac {a \cos \left (f x + e\right ) + a}{\cos \left (f x + e\right )}} \sin \left (f x + e\right )}{f \cos \left (f x + e\right ) + f}, -\frac {2 \, {\left ({\left (c \cos \left (f x + e\right ) + c\right )} \sqrt {a} \arctan \left (\frac {\sqrt {\frac {a \cos \left (f x + e\right ) + a}{\cos \left (f x + e\right )}} \cos \left (f x + e\right )}{\sqrt {a} \sin \left (f x + e\right )}\right ) + c \sqrt {\frac {a \cos \left (f x + e\right ) + a}{\cos \left (f x + e\right )}} \sin \left (f x + e\right )\right )}}{f \cos \left (f x + e\right ) + f}\right ] \]
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\[ \int \sqrt {a+a \sec (e+f x)} (c-c \sec (e+f x)) \, dx=- c \left (\int \sqrt {a \sec {\left (e + f x \right )} + a} \sec {\left (e + f x \right )}\, dx + \int \left (- \sqrt {a \sec {\left (e + f x \right )} + a}\right )\, dx\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 147 vs. \(2 (58) = 116\).
Time = 0.37 (sec) , antiderivative size = 147, normalized size of antiderivative = 2.23 \[ \int \sqrt {a+a \sec (e+f x)} (c-c \sec (e+f x)) \, dx=\frac {\sqrt {a} c \arctan \left ({\left (\cos \left (2 \, f x + 2 \, e\right )^{2} + \sin \left (2 \, f x + 2 \, e\right )^{2} + 2 \, \cos \left (2 \, f x + 2 \, e\right ) + 1\right )}^{\frac {1}{4}} \sin \left (\frac {1}{2} \, \arctan \left (\sin \left (2 \, f x + 2 \, e\right ), \cos \left (2 \, f x + 2 \, e\right ) + 1\right )\right ) + \sin \left (f x + e\right ), {\left (\cos \left (2 \, f x + 2 \, e\right )^{2} + \sin \left (2 \, f x + 2 \, e\right )^{2} + 2 \, \cos \left (2 \, f x + 2 \, e\right ) + 1\right )}^{\frac {1}{4}} \cos \left (\frac {1}{2} \, \arctan \left (\sin \left (2 \, f x + 2 \, e\right ), \cos \left (2 \, f x + 2 \, e\right ) + 1\right )\right ) + \cos \left (f x + e\right )\right )}{f} \]
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\[ \int \sqrt {a+a \sec (e+f x)} (c-c \sec (e+f x)) \, dx=\int { -\sqrt {a \sec \left (f x + e\right ) + a} {\left (c \sec \left (f x + e\right ) - c\right )} \,d x } \]
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Timed out. \[ \int \sqrt {a+a \sec (e+f x)} (c-c \sec (e+f x)) \, dx=\int \sqrt {a+\frac {a}{\cos \left (e+f\,x\right )}}\,\left (c-\frac {c}{\cos \left (e+f\,x\right )}\right ) \,d x \]
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