Integrand size = 29, antiderivative size = 41 \[ \int \frac {\cos (c+d x) (A+B \sin (c+d x))}{a+b \sin (c+d x)} \, dx=\frac {(A b-a B) \log (a+b \sin (c+d x))}{b^2 d}+\frac {B \sin (c+d x)}{b d} \]
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Time = 0.05 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.069, Rules used = {2912, 45} \[ \int \frac {\cos (c+d x) (A+B \sin (c+d x))}{a+b \sin (c+d x)} \, dx=\frac {(A b-a B) \log (a+b \sin (c+d x))}{b^2 d}+\frac {B \sin (c+d x)}{b d} \]
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Rule 45
Rule 2912
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {A+\frac {B x}{b}}{a+x} \, dx,x,b \sin (c+d x)\right )}{b d} \\ & = \frac {\text {Subst}\left (\int \left (\frac {B}{b}+\frac {A b-a B}{b (a+x)}\right ) \, dx,x,b \sin (c+d x)\right )}{b d} \\ & = \frac {(A b-a B) \log (a+b \sin (c+d x))}{b^2 d}+\frac {B \sin (c+d x)}{b d} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.95 \[ \int \frac {\cos (c+d x) (A+B \sin (c+d x))}{a+b \sin (c+d x)} \, dx=\frac {\frac {(A b-a B) \log (a+b \sin (c+d x))}{b}+B \sin (c+d x)}{b d} \]
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Time = 0.36 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.98
method | result | size |
derivativedivides | \(\frac {\frac {\sin \left (d x +c \right ) B}{b}+\frac {\left (A b -B a \right ) \ln \left (a +b \sin \left (d x +c \right )\right )}{b^{2}}}{d}\) | \(40\) |
default | \(\frac {\frac {\sin \left (d x +c \right ) B}{b}+\frac {\left (A b -B a \right ) \ln \left (a +b \sin \left (d x +c \right )\right )}{b^{2}}}{d}\) | \(40\) |
parallelrisch | \(\frac {-A \ln \left (\sec ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right ) b +A \ln \left (2 b \tan \left (\frac {d x}{2}+\frac {c}{2}\right )+a \left (\sec ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )\right ) b +B \ln \left (\sec ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right ) a -B \ln \left (2 b \tan \left (\frac {d x}{2}+\frac {c}{2}\right )+a \left (\sec ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )\right ) a +B b \sin \left (d x +c \right )}{d \,b^{2}}\) | \(110\) |
norman | \(\frac {\frac {2 B \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{d b}+\frac {2 B \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d b}}{\left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )^{2}}+\frac {\left (A b -B a \right ) \ln \left (\left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right ) a +2 b \tan \left (\frac {d x}{2}+\frac {c}{2}\right )+a \right )}{b^{2} d}-\frac {\left (A b -B a \right ) \ln \left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{b^{2} d}\) | \(130\) |
risch | \(-\frac {i x A}{b}+\frac {i x B a}{b^{2}}-\frac {i {\mathrm e}^{i \left (d x +c \right )} B}{2 b d}+\frac {i {\mathrm e}^{-i \left (d x +c \right )} B}{2 b d}-\frac {2 i A c}{d b}+\frac {2 i B a c}{d \,b^{2}}+\frac {\ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1+\frac {2 i a \,{\mathrm e}^{i \left (d x +c \right )}}{b}\right ) A}{d b}-\frac {\ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1+\frac {2 i a \,{\mathrm e}^{i \left (d x +c \right )}}{b}\right ) B a}{d \,b^{2}}\) | \(154\) |
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Time = 0.29 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.93 \[ \int \frac {\cos (c+d x) (A+B \sin (c+d x))}{a+b \sin (c+d x)} \, dx=\frac {B b \sin \left (d x + c\right ) - {\left (B a - A b\right )} \log \left (b \sin \left (d x + c\right ) + a\right )}{b^{2} d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 104 vs. \(2 (34) = 68\).
Time = 0.35 (sec) , antiderivative size = 104, normalized size of antiderivative = 2.54 \[ \int \frac {\cos (c+d x) (A+B \sin (c+d x))}{a+b \sin (c+d x)} \, dx=\begin {cases} \frac {x \left (A + B \sin {\left (c \right )}\right ) \cos {\left (c \right )}}{a} & \text {for}\: b = 0 \wedge d = 0 \\\frac {\frac {A \sin {\left (c + d x \right )}}{d} + \frac {B \sin ^{2}{\left (c + d x \right )}}{2 d}}{a} & \text {for}\: b = 0 \\\frac {x \left (A + B \sin {\left (c \right )}\right ) \cos {\left (c \right )}}{a + b \sin {\left (c \right )}} & \text {for}\: d = 0 \\\frac {A \log {\left (\frac {a}{b} + \sin {\left (c + d x \right )} \right )}}{b d} - \frac {B a \log {\left (\frac {a}{b} + \sin {\left (c + d x \right )} \right )}}{b^{2} d} + \frac {B \sin {\left (c + d x \right )}}{b d} & \text {otherwise} \end {cases} \]
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Time = 0.21 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.98 \[ \int \frac {\cos (c+d x) (A+B \sin (c+d x))}{a+b \sin (c+d x)} \, dx=\frac {\frac {B \sin \left (d x + c\right )}{b} - \frac {{\left (B a - A b\right )} \log \left (b \sin \left (d x + c\right ) + a\right )}{b^{2}}}{d} \]
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Time = 0.32 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.00 \[ \int \frac {\cos (c+d x) (A+B \sin (c+d x))}{a+b \sin (c+d x)} \, dx=\frac {\frac {B \sin \left (d x + c\right )}{b} - \frac {{\left (B a - A b\right )} \log \left ({\left | b \sin \left (d x + c\right ) + a \right |}\right )}{b^{2}}}{d} \]
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Time = 0.07 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.00 \[ \int \frac {\cos (c+d x) (A+B \sin (c+d x))}{a+b \sin (c+d x)} \, dx=\frac {B\,\sin \left (c+d\,x\right )}{b\,d}+\frac {\ln \left (a+b\,\sin \left (c+d\,x\right )\right )\,\left (A\,b-B\,a\right )}{b^2\,d} \]
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