Integrand size = 25, antiderivative size = 40 \[ \int \frac {\cos (c+d x) \cot (c+d x)}{(a+a \sin (c+d x))^2} \, dx=-\frac {\text {arctanh}(\cos (c+d x))}{a^2 d}+\frac {2 \cos (c+d x)}{a^2 d (1+\sin (c+d x))} \]
[Out]
Time = 0.12 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.160, Rules used = {2953, 3045, 3855, 2727} \[ \int \frac {\cos (c+d x) \cot (c+d x)}{(a+a \sin (c+d x))^2} \, dx=\frac {2 \cos (c+d x)}{a^2 d (\sin (c+d x)+1)}-\frac {\text {arctanh}(\cos (c+d x))}{a^2 d} \]
[In]
[Out]
Rule 2727
Rule 2953
Rule 3045
Rule 3855
Rubi steps \begin{align*} \text {integral}& = \frac {\int \frac {\csc (c+d x) (a-a \sin (c+d x))}{a+a \sin (c+d x)} \, dx}{a^2} \\ & = \frac {\int \left (\csc (c+d x)-\frac {2}{1+\sin (c+d x)}\right ) \, dx}{a^2} \\ & = \frac {\int \csc (c+d x) \, dx}{a^2}-\frac {2 \int \frac {1}{1+\sin (c+d x)} \, dx}{a^2} \\ & = -\frac {\text {arctanh}(\cos (c+d x))}{a^2 d}+\frac {2 \cos (c+d x)}{a^2 d (1+\sin (c+d x))} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(115\) vs. \(2(40)=80\).
Time = 0.48 (sec) , antiderivative size = 115, normalized size of antiderivative = 2.88 \[ \int \frac {\cos (c+d x) \cot (c+d x)}{(a+a \sin (c+d x))^2} \, dx=-\frac {\left (\cos \left (\frac {1}{2} (c+d x)\right )+\sin \left (\frac {1}{2} (c+d x)\right )\right )^3 \left (\cos \left (\frac {1}{2} (c+d x)\right ) \left (\log \left (\cos \left (\frac {1}{2} (c+d x)\right )\right )-\log \left (\sin \left (\frac {1}{2} (c+d x)\right )\right )\right )+\left (4+\log \left (\cos \left (\frac {1}{2} (c+d x)\right )\right )-\log \left (\sin \left (\frac {1}{2} (c+d x)\right )\right )\right ) \sin \left (\frac {1}{2} (c+d x)\right )\right )}{a^2 d (1+\sin (c+d x))^2} \]
[In]
[Out]
Time = 0.23 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.85
method | result | size |
derivativedivides | \(\frac {\ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\frac {4}{\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1}}{d \,a^{2}}\) | \(34\) |
default | \(\frac {\ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\frac {4}{\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1}}{d \,a^{2}}\) | \(34\) |
parallelrisch | \(\frac {\left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )\right )-4 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{d \,a^{2} \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )}\) | \(55\) |
risch | \(\frac {4}{d \,a^{2} \left ({\mathrm e}^{i \left (d x +c \right )}+i\right )}+\frac {\ln \left ({\mathrm e}^{i \left (d x +c \right )}-1\right )}{d \,a^{2}}-\frac {\ln \left ({\mathrm e}^{i \left (d x +c \right )}+1\right )}{d \,a^{2}}\) | \(63\) |
norman | \(\frac {\frac {4}{a d}+\frac {4 \left (\tan ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d a}+\frac {8 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{d a}+\frac {8 \left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d a}+\frac {8 \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d a}}{a \left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right ) \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )^{3}}+\frac {\ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d \,a^{2}}\) | \(134\) |
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 103 vs. \(2 (40) = 80\).
Time = 0.27 (sec) , antiderivative size = 103, normalized size of antiderivative = 2.58 \[ \int \frac {\cos (c+d x) \cot (c+d x)}{(a+a \sin (c+d x))^2} \, dx=-\frac {{\left (\cos \left (d x + c\right ) + \sin \left (d x + c\right ) + 1\right )} \log \left (\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right ) - {\left (\cos \left (d x + c\right ) + \sin \left (d x + c\right ) + 1\right )} \log \left (-\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right ) - 4 \, \cos \left (d x + c\right ) + 4 \, \sin \left (d x + c\right ) - 4}{2 \, {\left (a^{2} d \cos \left (d x + c\right ) + a^{2} d \sin \left (d x + c\right ) + a^{2} d\right )}} \]
[In]
[Out]
\[ \int \frac {\cos (c+d x) \cot (c+d x)}{(a+a \sin (c+d x))^2} \, dx=\frac {\int \frac {\cos ^{2}{\left (c + d x \right )} \csc {\left (c + d x \right )}}{\sin ^{2}{\left (c + d x \right )} + 2 \sin {\left (c + d x \right )} + 1}\, dx}{a^{2}} \]
[In]
[Out]
none
Time = 0.21 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.38 \[ \int \frac {\cos (c+d x) \cot (c+d x)}{(a+a \sin (c+d x))^2} \, dx=\frac {\frac {4}{a^{2} + \frac {a^{2} \sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1}} + \frac {\log \left (\frac {\sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1}\right )}{a^{2}}}{d} \]
[In]
[Out]
none
Time = 0.32 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.95 \[ \int \frac {\cos (c+d x) \cot (c+d x)}{(a+a \sin (c+d x))^2} \, dx=\frac {\frac {\log \left ({\left | \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) \right |}\right )}{a^{2}} + \frac {4}{a^{2} {\left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 1\right )}}}{d} \]
[In]
[Out]
Time = 9.69 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.98 \[ \int \frac {\cos (c+d x) \cot (c+d x)}{(a+a \sin (c+d x))^2} \, dx=\frac {\ln \left (\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\right )}{a^2\,d}+\frac {4}{a^2\,d\,\left (\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )+1\right )} \]
[In]
[Out]