Integrand size = 11, antiderivative size = 18 \[ \int \frac {\tan (x)}{a+a \cos (x)} \, dx=-\frac {\log (\cos (x))}{a}+\frac {\log (1+\cos (x))}{a} \]
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Time = 0.04 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.364, Rules used = {2786, 36, 29, 31} \[ \int \frac {\tan (x)}{a+a \cos (x)} \, dx=\frac {\log (\cos (x)+1)}{a}-\frac {\log (\cos (x))}{a} \]
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Rule 29
Rule 31
Rule 36
Rule 2786
Rubi steps \begin{align*} \text {integral}& = -\text {Subst}\left (\int \frac {1}{x (a+x)} \, dx,x,a \cos (x)\right ) \\ & = -\frac {\text {Subst}\left (\int \frac {1}{x} \, dx,x,a \cos (x)\right )}{a}+\frac {\text {Subst}\left (\int \frac {1}{a+x} \, dx,x,a \cos (x)\right )}{a} \\ & = -\frac {\log (\cos (x))}{a}+\frac {\log (1+\cos (x))}{a} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.67 \[ \int \frac {\tan (x)}{a+a \cos (x)} \, dx=\frac {2 \text {arctanh}(1+2 \cos (x))}{a} \]
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Time = 0.61 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.89
method | result | size |
default | \(\frac {\ln \left (\cos \left (x \right )+1\right )-\ln \left (\cos \left (x \right )\right )}{a}\) | \(16\) |
risch | \(\frac {2 \ln \left ({\mathrm e}^{i x}+1\right )}{a}-\frac {\ln \left ({\mathrm e}^{2 i x}+1\right )}{a}\) | \(28\) |
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Time = 0.28 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11 \[ \int \frac {\tan (x)}{a+a \cos (x)} \, dx=-\frac {\log \left (-\cos \left (x\right )\right ) - \log \left (\frac {1}{2} \, \cos \left (x\right ) + \frac {1}{2}\right )}{a} \]
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\[ \int \frac {\tan (x)}{a+a \cos (x)} \, dx=\frac {\int \frac {\tan {\left (x \right )}}{\cos {\left (x \right )} + 1}\, dx}{a} \]
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none
Time = 0.23 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {\tan (x)}{a+a \cos (x)} \, dx=\frac {\log \left (\cos \left (x\right ) + 1\right )}{a} - \frac {\log \left (\cos \left (x\right )\right )}{a} \]
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Time = 0.30 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.06 \[ \int \frac {\tan (x)}{a+a \cos (x)} \, dx=\frac {\log \left (\cos \left (x\right ) + 1\right )}{a} - \frac {\log \left ({\left | \cos \left (x\right ) \right |}\right )}{a} \]
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Time = 13.73 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.78 \[ \int \frac {\tan (x)}{a+a \cos (x)} \, dx=-\frac {\ln \left ({\mathrm {tan}\left (\frac {x}{2}\right )}^2-1\right )}{a} \]
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