Integrand size = 27, antiderivative size = 69 \[ \int \cos (c+d x) \left (A+B \cos (c+d x)+C \cos ^2(c+d x)\right ) \, dx=\frac {B x}{2}+\frac {(3 A+2 C) \sin (c+d x)}{3 d}+\frac {B \cos (c+d x) \sin (c+d x)}{2 d}+\frac {C \cos ^2(c+d x) \sin (c+d x)}{3 d} \]
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Time = 0.06 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.074, Rules used = {3102, 2813} \[ \int \cos (c+d x) \left (A+B \cos (c+d x)+C \cos ^2(c+d x)\right ) \, dx=\frac {(3 A+2 C) \sin (c+d x)}{3 d}+\frac {B \sin (c+d x) \cos (c+d x)}{2 d}+\frac {B x}{2}+\frac {C \sin (c+d x) \cos ^2(c+d x)}{3 d} \]
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Rule 2813
Rule 3102
Rubi steps \begin{align*} \text {integral}& = \frac {C \cos ^2(c+d x) \sin (c+d x)}{3 d}+\frac {1}{3} \int \cos (c+d x) (3 A+2 C+3 B \cos (c+d x)) \, dx \\ & = \frac {B x}{2}+\frac {(3 A+2 C) \sin (c+d x)}{3 d}+\frac {B \cos (c+d x) \sin (c+d x)}{2 d}+\frac {C \cos ^2(c+d x) \sin (c+d x)}{3 d} \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.77 \[ \int \cos (c+d x) \left (A+B \cos (c+d x)+C \cos ^2(c+d x)\right ) \, dx=\frac {6 B c+6 B d x+3 (4 A+3 C) \sin (c+d x)+3 B \sin (2 (c+d x))+C \sin (3 (c+d x))}{12 d} \]
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Time = 3.78 (sec) , antiderivative size = 49, normalized size of antiderivative = 0.71
method | result | size |
parallelrisch | \(\frac {3 \sin \left (2 d x +2 c \right ) B +\sin \left (3 d x +3 c \right ) C +\left (12 A +9 C \right ) \sin \left (d x +c \right )+6 d x B}{12 d}\) | \(49\) |
derivativedivides | \(\frac {\frac {C \left (2+\cos ^{2}\left (d x +c \right )\right ) \sin \left (d x +c \right )}{3}+B \left (\frac {\cos \left (d x +c \right ) \sin \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )+A \sin \left (d x +c \right )}{d}\) | \(57\) |
default | \(\frac {\frac {C \left (2+\cos ^{2}\left (d x +c \right )\right ) \sin \left (d x +c \right )}{3}+B \left (\frac {\cos \left (d x +c \right ) \sin \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )+A \sin \left (d x +c \right )}{d}\) | \(57\) |
risch | \(\frac {x B}{2}+\frac {\sin \left (d x +c \right ) A}{d}+\frac {3 C \sin \left (d x +c \right )}{4 d}+\frac {\sin \left (3 d x +3 c \right ) C}{12 d}+\frac {B \sin \left (2 d x +2 c \right )}{4 d}\) | \(59\) |
parts | \(\frac {\sin \left (d x +c \right ) A}{d}+\frac {B \left (\frac {\cos \left (d x +c \right ) \sin \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )}{d}+\frac {C \left (2+\cos ^{2}\left (d x +c \right )\right ) \sin \left (d x +c \right )}{3 d}\) | \(62\) |
norman | \(\frac {\frac {\left (2 A -B +2 C \right ) \left (\tan ^{5}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}+\frac {\left (2 A +B +2 C \right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{d}+\frac {x B}{2}+\frac {3 x B \left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{2}+\frac {3 x B \left (\tan ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{2}+\frac {x B \left (\tan ^{6}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{2}+\frac {4 \left (3 A +C \right ) \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{3 d}}{\left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )^{3}}\) | \(134\) |
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Time = 0.26 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.65 \[ \int \cos (c+d x) \left (A+B \cos (c+d x)+C \cos ^2(c+d x)\right ) \, dx=\frac {3 \, B d x + {\left (2 \, C \cos \left (d x + c\right )^{2} + 3 \, B \cos \left (d x + c\right ) + 6 \, A + 4 \, C\right )} \sin \left (d x + c\right )}{6 \, d} \]
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Time = 0.12 (sec) , antiderivative size = 107, normalized size of antiderivative = 1.55 \[ \int \cos (c+d x) \left (A+B \cos (c+d x)+C \cos ^2(c+d x)\right ) \, dx=\begin {cases} \frac {A \sin {\left (c + d x \right )}}{d} + \frac {B x \sin ^{2}{\left (c + d x \right )}}{2} + \frac {B x \cos ^{2}{\left (c + d x \right )}}{2} + \frac {B \sin {\left (c + d x \right )} \cos {\left (c + d x \right )}}{2 d} + \frac {2 C \sin ^{3}{\left (c + d x \right )}}{3 d} + \frac {C \sin {\left (c + d x \right )} \cos ^{2}{\left (c + d x \right )}}{d} & \text {for}\: d \neq 0 \\x \left (A + B \cos {\left (c \right )} + C \cos ^{2}{\left (c \right )}\right ) \cos {\left (c \right )} & \text {otherwise} \end {cases} \]
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Time = 0.20 (sec) , antiderivative size = 55, normalized size of antiderivative = 0.80 \[ \int \cos (c+d x) \left (A+B \cos (c+d x)+C \cos ^2(c+d x)\right ) \, dx=\frac {3 \, {\left (2 \, d x + 2 \, c + \sin \left (2 \, d x + 2 \, c\right )\right )} B - 4 \, {\left (\sin \left (d x + c\right )^{3} - 3 \, \sin \left (d x + c\right )\right )} C + 12 \, A \sin \left (d x + c\right )}{12 \, d} \]
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Time = 0.28 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.77 \[ \int \cos (c+d x) \left (A+B \cos (c+d x)+C \cos ^2(c+d x)\right ) \, dx=\frac {1}{2} \, B x + \frac {C \sin \left (3 \, d x + 3 \, c\right )}{12 \, d} + \frac {B \sin \left (2 \, d x + 2 \, c\right )}{4 \, d} + \frac {{\left (4 \, A + 3 \, C\right )} \sin \left (d x + c\right )}{4 \, d} \]
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Time = 1.44 (sec) , antiderivative size = 66, normalized size of antiderivative = 0.96 \[ \int \cos (c+d x) \left (A+B \cos (c+d x)+C \cos ^2(c+d x)\right ) \, dx=\frac {B\,x}{2}+\frac {A\,\sin \left (c+d\,x\right )}{d}+\frac {2\,C\,\sin \left (c+d\,x\right )}{3\,d}+\frac {B\,\cos \left (c+d\,x\right )\,\sin \left (c+d\,x\right )}{2\,d}+\frac {C\,{\cos \left (c+d\,x\right )}^2\,\sin \left (c+d\,x\right )}{3\,d} \]
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