Integrand size = 27, antiderivative size = 52 \[ \int \frac {\cos (c+d x) \sin ^2(c+d x)}{(a+a \sin (c+d x))^2} \, dx=-\frac {2 \log (1+\sin (c+d x))}{a^2 d}+\frac {\sin (c+d x)}{a^2 d}-\frac {1}{d \left (a^2+a^2 \sin (c+d x)\right )} \]
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Time = 0.06 (sec) , antiderivative size = 52, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {2912, 12, 45} \[ \int \frac {\cos (c+d x) \sin ^2(c+d x)}{(a+a \sin (c+d x))^2} \, dx=\frac {\sin (c+d x)}{a^2 d}-\frac {1}{d \left (a^2 \sin (c+d x)+a^2\right )}-\frac {2 \log (\sin (c+d x)+1)}{a^2 d} \]
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Rule 12
Rule 45
Rule 2912
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {x^2}{a^2 (a+x)^2} \, dx,x,a \sin (c+d x)\right )}{a d} \\ & = \frac {\text {Subst}\left (\int \frac {x^2}{(a+x)^2} \, dx,x,a \sin (c+d x)\right )}{a^3 d} \\ & = \frac {\text {Subst}\left (\int \left (1+\frac {a^2}{(a+x)^2}-\frac {2 a}{a+x}\right ) \, dx,x,a \sin (c+d x)\right )}{a^3 d} \\ & = -\frac {2 \log (1+\sin (c+d x))}{a^2 d}+\frac {\sin (c+d x)}{a^2 d}-\frac {1}{d \left (a^2+a^2 \sin (c+d x)\right )} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 58, normalized size of antiderivative = 1.12 \[ \int \frac {\cos (c+d x) \sin ^2(c+d x)}{(a+a \sin (c+d x))^2} \, dx=\frac {-1-2 \log (1+\sin (c+d x))+(1-2 \log (1+\sin (c+d x))) \sin (c+d x)+\sin ^2(c+d x)}{a^2 d (1+\sin (c+d x))} \]
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Time = 0.20 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.73
method | result | size |
derivativedivides | \(\frac {\sin \left (d x +c \right )-2 \ln \left (1+\sin \left (d x +c \right )\right )-\frac {1}{1+\sin \left (d x +c \right )}}{d \,a^{2}}\) | \(38\) |
default | \(\frac {\sin \left (d x +c \right )-2 \ln \left (1+\sin \left (d x +c \right )\right )-\frac {1}{1+\sin \left (d x +c \right )}}{d \,a^{2}}\) | \(38\) |
parallelrisch | \(\frac {\left (4 \sin \left (d x +c \right )+4\right ) \ln \left (\sec ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\left (-8 \sin \left (d x +c \right )-8\right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )-\cos \left (2 d x +2 c \right )+4 \sin \left (d x +c \right )+1}{2 d \,a^{2} \left (1+\sin \left (d x +c \right )\right )}\) | \(86\) |
risch | \(\frac {2 i x}{a^{2}}-\frac {i {\mathrm e}^{i \left (d x +c \right )}}{2 d \,a^{2}}+\frac {i {\mathrm e}^{-i \left (d x +c \right )}}{2 d \,a^{2}}+\frac {4 i c}{d \,a^{2}}-\frac {2 i {\mathrm e}^{i \left (d x +c \right )}}{d \,a^{2} \left ({\mathrm e}^{i \left (d x +c \right )}+i\right )^{2}}-\frac {4 \ln \left ({\mathrm e}^{i \left (d x +c \right )}+i\right )}{d \,a^{2}}\) | \(108\) |
norman | \(\frac {\frac {4 \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{d a}+\frac {4 \left (\tan ^{8}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d a}+\frac {8 \left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d a}+\frac {8 \left (\tan ^{7}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d a}+\frac {20 \left (\tan ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d a}+\frac {20 \left (\tan ^{5}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d a}+\frac {16 \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d a}+\frac {16 \left (\tan ^{6}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d a}}{\left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )^{3} a \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )^{3}}-\frac {4 \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )}{d \,a^{2}}+\frac {2 \ln \left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d \,a^{2}}\) | \(227\) |
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Time = 0.30 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.10 \[ \int \frac {\cos (c+d x) \sin ^2(c+d x)}{(a+a \sin (c+d x))^2} \, dx=-\frac {\cos \left (d x + c\right )^{2} + 2 \, {\left (\sin \left (d x + c\right ) + 1\right )} \log \left (\sin \left (d x + c\right ) + 1\right ) - \sin \left (d x + c\right )}{a^{2} d \sin \left (d x + c\right ) + a^{2} d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 126 vs. \(2 (44) = 88\).
Time = 0.47 (sec) , antiderivative size = 126, normalized size of antiderivative = 2.42 \[ \int \frac {\cos (c+d x) \sin ^2(c+d x)}{(a+a \sin (c+d x))^2} \, dx=\begin {cases} - \frac {2 \log {\left (\sin {\left (c + d x \right )} + 1 \right )} \sin {\left (c + d x \right )}}{a^{2} d \sin {\left (c + d x \right )} + a^{2} d} - \frac {2 \log {\left (\sin {\left (c + d x \right )} + 1 \right )}}{a^{2} d \sin {\left (c + d x \right )} + a^{2} d} + \frac {\sin ^{2}{\left (c + d x \right )}}{a^{2} d \sin {\left (c + d x \right )} + a^{2} d} - \frac {2}{a^{2} d \sin {\left (c + d x \right )} + a^{2} d} & \text {for}\: d \neq 0 \\\frac {x \sin ^{2}{\left (c \right )} \cos {\left (c \right )}}{\left (a \sin {\left (c \right )} + a\right )^{2}} & \text {otherwise} \end {cases} \]
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Time = 0.21 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.90 \[ \int \frac {\cos (c+d x) \sin ^2(c+d x)}{(a+a \sin (c+d x))^2} \, dx=-\frac {\frac {1}{a^{2} \sin \left (d x + c\right ) + a^{2}} + \frac {2 \, \log \left (\sin \left (d x + c\right ) + 1\right )}{a^{2}} - \frac {\sin \left (d x + c\right )}{a^{2}}}{d} \]
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Time = 0.35 (sec) , antiderivative size = 70, normalized size of antiderivative = 1.35 \[ \int \frac {\cos (c+d x) \sin ^2(c+d x)}{(a+a \sin (c+d x))^2} \, dx=\frac {\frac {2 \, \log \left (\frac {{\left | a \sin \left (d x + c\right ) + a \right |}}{{\left (a \sin \left (d x + c\right ) + a\right )}^{2} {\left | a \right |}}\right )}{a^{2}} + \frac {a \sin \left (d x + c\right ) + a}{a^{3}} - \frac {1}{{\left (a \sin \left (d x + c\right ) + a\right )} a}}{d} \]
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Time = 0.09 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.87 \[ \int \frac {\cos (c+d x) \sin ^2(c+d x)}{(a+a \sin (c+d x))^2} \, dx=\frac {{\sin \left (c+d\,x\right )}^2-2}{a^2\,d\,\left (\sin \left (c+d\,x\right )+1\right )}-\frac {2\,\ln \left (\sin \left (c+d\,x\right )+1\right )}{a^2\,d} \]
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