Integrand size = 26, antiderivative size = 75 \[ \int \frac {\sec (c+d x)}{a \sin (c+d x)+b \tan (c+d x)} \, dx=\frac {\log (1-\cos (c+d x))}{2 (a+b) d}+\frac {\log (1+\cos (c+d x))}{2 (a-b) d}-\frac {a \log (b+a \cos (c+d x))}{\left (a^2-b^2\right ) d} \]
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Time = 0.20 (sec) , antiderivative size = 75, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.192, Rules used = {4482, 2747, 720, 31, 647} \[ \int \frac {\sec (c+d x)}{a \sin (c+d x)+b \tan (c+d x)} \, dx=-\frac {a \log (a \cos (c+d x)+b)}{d \left (a^2-b^2\right )}+\frac {\log (1-\cos (c+d x))}{2 d (a+b)}+\frac {\log (\cos (c+d x)+1)}{2 d (a-b)} \]
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Rule 31
Rule 647
Rule 720
Rule 2747
Rule 4482
Rubi steps \begin{align*} \text {integral}& = \int \frac {\csc (c+d x)}{b+a \cos (c+d x)} \, dx \\ & = -\frac {a \text {Subst}\left (\int \frac {1}{(b+x) \left (a^2-x^2\right )} \, dx,x,a \cos (c+d x)\right )}{d} \\ & = -\frac {a \text {Subst}\left (\int \frac {1}{b+x} \, dx,x,a \cos (c+d x)\right )}{\left (a^2-b^2\right ) d}-\frac {a \text {Subst}\left (\int \frac {-b+x}{a^2-x^2} \, dx,x,a \cos (c+d x)\right )}{\left (a^2-b^2\right ) d} \\ & = -\frac {a \log (b+a \cos (c+d x))}{\left (a^2-b^2\right ) d}-\frac {\text {Subst}\left (\int \frac {1}{-a-x} \, dx,x,a \cos (c+d x)\right )}{2 (a-b) d}-\frac {\text {Subst}\left (\int \frac {1}{a-x} \, dx,x,a \cos (c+d x)\right )}{2 (a+b) d} \\ & = \frac {\log (1-\cos (c+d x))}{2 (a+b) d}+\frac {\log (1+\cos (c+d x))}{2 (a-b) d}-\frac {a \log (b+a \cos (c+d x))}{\left (a^2-b^2\right ) d} \\ \end{align*}
Time = 0.20 (sec) , antiderivative size = 64, normalized size of antiderivative = 0.85 \[ \int \frac {\sec (c+d x)}{a \sin (c+d x)+b \tan (c+d x)} \, dx=\frac {(a-b) \log (1-\cos (c+d x))+(a+b) \log (1+\cos (c+d x))-2 a \log (b+a \cos (c+d x))}{2 (a-b) (a+b) d} \]
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Time = 0.88 (sec) , antiderivative size = 70, normalized size of antiderivative = 0.93
method | result | size |
derivativedivides | \(\frac {-\frac {a \ln \left (b +\cos \left (d x +c \right ) a \right )}{\left (a +b \right ) \left (a -b \right )}+\frac {\ln \left (\cos \left (d x +c \right )-1\right )}{2 a +2 b}+\frac {\ln \left (\cos \left (d x +c \right )+1\right )}{2 a -2 b}}{d}\) | \(70\) |
default | \(\frac {-\frac {a \ln \left (b +\cos \left (d x +c \right ) a \right )}{\left (a +b \right ) \left (a -b \right )}+\frac {\ln \left (\cos \left (d x +c \right )-1\right )}{2 a +2 b}+\frac {\ln \left (\cos \left (d x +c \right )+1\right )}{2 a -2 b}}{d}\) | \(70\) |
risch | \(-\frac {i x}{a -b}-\frac {i c}{d \left (a -b \right )}-\frac {i x}{a +b}-\frac {i c}{d \left (a +b \right )}+\frac {2 i a x}{a^{2}-b^{2}}+\frac {2 i a c}{\left (a^{2}-b^{2}\right ) d}+\frac {\ln \left ({\mathrm e}^{i \left (d x +c \right )}+1\right )}{d \left (a -b \right )}+\frac {\ln \left ({\mathrm e}^{i \left (d x +c \right )}-1\right )}{d \left (a +b \right )}-\frac {a \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+\frac {2 b \,{\mathrm e}^{i \left (d x +c \right )}}{a}+1\right )}{\left (a^{2}-b^{2}\right ) d}\) | \(171\) |
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Time = 0.27 (sec) , antiderivative size = 65, normalized size of antiderivative = 0.87 \[ \int \frac {\sec (c+d x)}{a \sin (c+d x)+b \tan (c+d x)} \, dx=-\frac {2 \, a \log \left (a \cos \left (d x + c\right ) + b\right ) - {\left (a + b\right )} \log \left (\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right ) - {\left (a - b\right )} \log \left (-\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right )}{2 \, {\left (a^{2} - b^{2}\right )} d} \]
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\[ \int \frac {\sec (c+d x)}{a \sin (c+d x)+b \tan (c+d x)} \, dx=\int \frac {\sec {\left (c + d x \right )}}{a \sin {\left (c + d x \right )} + b \tan {\left (c + d x \right )}}\, dx \]
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Time = 0.23 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.97 \[ \int \frac {\sec (c+d x)}{a \sin (c+d x)+b \tan (c+d x)} \, dx=-\frac {\frac {a \log \left (a + b - \frac {{\left (a - b\right )} \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}}\right )}{a^{2} - b^{2}} - \frac {\log \left (\frac {\sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1}\right )}{a + b}}{d} \]
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Time = 0.34 (sec) , antiderivative size = 101, normalized size of antiderivative = 1.35 \[ \int \frac {\sec (c+d x)}{a \sin (c+d x)+b \tan (c+d x)} \, dx=-\frac {\frac {2 \, a \log \left ({\left | -a - b - \frac {a {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {b {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} \right |}\right )}{a^{2} - b^{2}} - \frac {\log \left (\frac {{\left | -\cos \left (d x + c\right ) + 1 \right |}}{{\left | \cos \left (d x + c\right ) + 1 \right |}}\right )}{a + b}}{2 \, d} \]
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Time = 22.29 (sec) , antiderivative size = 68, normalized size of antiderivative = 0.91 \[ \int \frac {\sec (c+d x)}{a \sin (c+d x)+b \tan (c+d x)} \, dx=\frac {\ln \left (\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\right )}{d\,\left (a+b\right )}-\frac {a\,\ln \left (a+b-a\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2+b\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2\right )}{d\,\left (a^2-b^2\right )} \]
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