Integrand size = 9, antiderivative size = 6 \[ \int \frac {\sin (x)}{(3+\cos (x))^2} \, dx=\frac {1}{3+\cos (x)} \]
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Time = 0.01 (sec) , antiderivative size = 6, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {2747, 32} \[ \int \frac {\sin (x)}{(3+\cos (x))^2} \, dx=\frac {1}{\cos (x)+3} \]
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Rule 32
Rule 2747
Rubi steps \begin{align*} \text {integral}& = -\text {Subst}\left (\int \frac {1}{(3+x)^2} \, dx,x,\cos (x)\right ) \\ & = \frac {1}{3+\cos (x)} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 6, normalized size of antiderivative = 1.00 \[ \int \frac {\sin (x)}{(3+\cos (x))^2} \, dx=\frac {1}{3+\cos (x)} \]
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Time = 0.06 (sec) , antiderivative size = 7, normalized size of antiderivative = 1.17
method | result | size |
derivativedivides | \(\frac {1}{3+\cos \left (x \right )}\) | \(7\) |
default | \(\frac {1}{3+\cos \left (x \right )}\) | \(7\) |
parallelrisch | \(-\frac {1}{2 \left (\tan ^{2}\left (\frac {x}{2}\right )\right )+4}\) | \(15\) |
risch | \(\frac {2 \,{\mathrm e}^{i x}}{{\mathrm e}^{2 i x}+6 \,{\mathrm e}^{i x}+1}\) | \(24\) |
norman | \(\frac {-\frac {\left (\tan ^{2}\left (\frac {x}{2}\right )\right )}{2}-\frac {1}{2}}{\left (1+\tan ^{2}\left (\frac {x}{2}\right )\right ) \left (\tan ^{2}\left (\frac {x}{2}\right )+2\right )}\) | \(32\) |
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Time = 0.25 (sec) , antiderivative size = 6, normalized size of antiderivative = 1.00 \[ \int \frac {\sin (x)}{(3+\cos (x))^2} \, dx=\frac {1}{\cos \left (x\right ) + 3} \]
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Time = 0.23 (sec) , antiderivative size = 5, normalized size of antiderivative = 0.83 \[ \int \frac {\sin (x)}{(3+\cos (x))^2} \, dx=\frac {1}{\cos {\left (x \right )} + 3} \]
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Time = 0.17 (sec) , antiderivative size = 6, normalized size of antiderivative = 1.00 \[ \int \frac {\sin (x)}{(3+\cos (x))^2} \, dx=\frac {1}{\cos \left (x\right ) + 3} \]
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Time = 0.28 (sec) , antiderivative size = 6, normalized size of antiderivative = 1.00 \[ \int \frac {\sin (x)}{(3+\cos (x))^2} \, dx=\frac {1}{\cos \left (x\right ) + 3} \]
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Time = 0.03 (sec) , antiderivative size = 6, normalized size of antiderivative = 1.00 \[ \int \frac {\sin (x)}{(3+\cos (x))^2} \, dx=\frac {1}{\cos \left (x\right )+3} \]
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