Integrand size = 21, antiderivative size = 48 \[ \int (a+a \sin (e+f x)) (A+B \sin (e+f x)) \, dx=\frac {1}{2} a (2 A+B) x-\frac {a (A+B) \cos (e+f x)}{f}-\frac {a B \cos (e+f x) \sin (e+f x)}{2 f} \]
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Time = 0.02 (sec) , antiderivative size = 48, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.048, Rules used = {2813} \[ \int (a+a \sin (e+f x)) (A+B \sin (e+f x)) \, dx=-\frac {a (A+B) \cos (e+f x)}{f}+\frac {1}{2} a x (2 A+B)-\frac {a B \sin (e+f x) \cos (e+f x)}{2 f} \]
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Rule 2813
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} a (2 A+B) x-\frac {a (A+B) \cos (e+f x)}{f}-\frac {a B \cos (e+f x) \sin (e+f x)}{2 f} \\ \end{align*}
Time = 0.14 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.94 \[ \int (a+a \sin (e+f x)) (A+B \sin (e+f x)) \, dx=\frac {a (2 B e+4 A f x+2 B f x-4 (A+B) \cos (e+f x)-B \sin (2 (e+f x)))}{4 f} \]
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Time = 0.44 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.92
method | result | size |
parallelrisch | \(\frac {\left (-\frac {B \sin \left (2 f x +2 e \right )}{4}+\left (-A -B \right ) \cos \left (f x +e \right )+f x A +\frac {f x B}{2}+A +B \right ) a}{f}\) | \(44\) |
parts | \(a x A -\frac {\left (a A +B a \right ) \cos \left (f x +e \right )}{f}+\frac {B a \left (-\frac {\cos \left (f x +e \right ) \sin \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )}{f}\) | \(52\) |
risch | \(a x A +\frac {a B x}{2}-\frac {a \cos \left (f x +e \right ) A}{f}-\frac {a \cos \left (f x +e \right ) B}{f}-\frac {B a \sin \left (2 f x +2 e \right )}{4 f}\) | \(53\) |
derivativedivides | \(\frac {B a \left (-\frac {\cos \left (f x +e \right ) \sin \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )-a A \cos \left (f x +e \right )-B a \cos \left (f x +e \right )+a A \left (f x +e \right )}{f}\) | \(59\) |
default | \(\frac {B a \left (-\frac {\cos \left (f x +e \right ) \sin \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )-a A \cos \left (f x +e \right )-B a \cos \left (f x +e \right )+a A \left (f x +e \right )}{f}\) | \(59\) |
norman | \(\frac {\left (a A +\frac {1}{2} B a \right ) x +\left (a A +\frac {1}{2} B a \right ) x \left (\tan ^{4}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )+\left (2 a A +B a \right ) x \left (\tan ^{2}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )+\frac {\left (2 a A +2 B a \right ) \left (\tan ^{4}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )}{f}+\frac {B a \left (\tan ^{3}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )}{f}+\frac {2 \left (a A +B a \right ) \left (\tan ^{2}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )}{f}-\frac {B a \tan \left (\frac {f x}{2}+\frac {e}{2}\right )}{f}}{\left (1+\tan ^{2}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )^{2}}\) | \(150\) |
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Time = 0.26 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.90 \[ \int (a+a \sin (e+f x)) (A+B \sin (e+f x)) \, dx=\frac {{\left (2 \, A + B\right )} a f x - B a \cos \left (f x + e\right ) \sin \left (f x + e\right ) - 2 \, {\left (A + B\right )} a \cos \left (f x + e\right )}{2 \, f} \]
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Leaf count of result is larger than twice the leaf count of optimal. 94 vs. \(2 (42) = 84\).
Time = 0.09 (sec) , antiderivative size = 94, normalized size of antiderivative = 1.96 \[ \int (a+a \sin (e+f x)) (A+B \sin (e+f x)) \, dx=\begin {cases} A a x - \frac {A a \cos {\left (e + f x \right )}}{f} + \frac {B a x \sin ^{2}{\left (e + f x \right )}}{2} + \frac {B a x \cos ^{2}{\left (e + f x \right )}}{2} - \frac {B a \sin {\left (e + f x \right )} \cos {\left (e + f x \right )}}{2 f} - \frac {B a \cos {\left (e + f x \right )}}{f} & \text {for}\: f \neq 0 \\x \left (A + B \sin {\left (e \right )}\right ) \left (a \sin {\left (e \right )} + a\right ) & \text {otherwise} \end {cases} \]
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Time = 0.24 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.19 \[ \int (a+a \sin (e+f x)) (A+B \sin (e+f x)) \, dx=\frac {4 \, {\left (f x + e\right )} A a + {\left (2 \, f x + 2 \, e - \sin \left (2 \, f x + 2 \, e\right )\right )} B a - 4 \, A a \cos \left (f x + e\right ) - 4 \, B a \cos \left (f x + e\right )}{4 \, f} \]
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Time = 0.28 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.96 \[ \int (a+a \sin (e+f x)) (A+B \sin (e+f x)) \, dx=\frac {1}{2} \, {\left (2 \, A a + B a\right )} x - \frac {B a \sin \left (2 \, f x + 2 \, e\right )}{4 \, f} - \frac {{\left (A a + B a\right )} \cos \left (f x + e\right )}{f} \]
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Time = 12.55 (sec) , antiderivative size = 100, normalized size of antiderivative = 2.08 \[ \int (a+a \sin (e+f x)) (A+B \sin (e+f x)) \, dx=A\,a\,x-\frac {-B\,a\,{\mathrm {tan}\left (\frac {e}{2}+\frac {f\,x}{2}\right )}^3+\left (2\,A\,a+2\,B\,a\right )\,{\mathrm {tan}\left (\frac {e}{2}+\frac {f\,x}{2}\right )}^2+B\,a\,\mathrm {tan}\left (\frac {e}{2}+\frac {f\,x}{2}\right )+2\,A\,a+2\,B\,a}{f\,\left ({\mathrm {tan}\left (\frac {e}{2}+\frac {f\,x}{2}\right )}^4+2\,{\mathrm {tan}\left (\frac {e}{2}+\frac {f\,x}{2}\right )}^2+1\right )}+\frac {B\,a\,x}{2} \]
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