Optimal. Leaf size=57 \[ -\frac {a^2 \sin ^3(c+d x)}{3 d}+\frac {2 a^2 \sin (c+d x)}{d}+\frac {a^2 \sin (c+d x) \cos (c+d x)}{d}+a^2 x \]
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Rubi [A] time = 0.04, antiderivative size = 69, normalized size of antiderivative = 1.21, number of steps used = 2, number of rules used = 2, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {2751, 2644} \[ \frac {4 a^2 \sin (c+d x)}{3 d}+\frac {a^2 \sin (c+d x) \cos (c+d x)}{3 d}+a^2 x+\frac {\sin (c+d x) (a \cos (c+d x)+a)^2}{3 d} \]
Antiderivative was successfully verified.
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Rule 2644
Rule 2751
Rubi steps
\begin {align*} \int \cos (c+d x) (a+a \cos (c+d x))^2 \, dx &=\frac {(a+a \cos (c+d x))^2 \sin (c+d x)}{3 d}+\frac {2}{3} \int (a+a \cos (c+d x))^2 \, dx\\ &=a^2 x+\frac {4 a^2 \sin (c+d x)}{3 d}+\frac {a^2 \cos (c+d x) \sin (c+d x)}{3 d}+\frac {(a+a \cos (c+d x))^2 \sin (c+d x)}{3 d}\\ \end {align*}
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Mathematica [A] time = 0.08, size = 41, normalized size = 0.72 \[ \frac {a^2 (21 \sin (c+d x)+6 \sin (2 (c+d x))+\sin (3 (c+d x))+12 d x)}{12 d} \]
Antiderivative was successfully verified.
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fricas [A] time = 1.56, size = 49, normalized size = 0.86 \[ \frac {3 \, a^{2} d x + {\left (a^{2} \cos \left (d x + c\right )^{2} + 3 \, a^{2} \cos \left (d x + c\right ) + 5 \, a^{2}\right )} \sin \left (d x + c\right )}{3 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.47, size = 54, normalized size = 0.95 \[ a^{2} x + \frac {a^{2} \sin \left (3 \, d x + 3 \, c\right )}{12 \, d} + \frac {a^{2} \sin \left (2 \, d x + 2 \, c\right )}{2 \, d} + \frac {7 \, a^{2} \sin \left (d x + c\right )}{4 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.05, size = 64, normalized size = 1.12 \[ \frac {\frac {a^{2} \left (2+\cos ^{2}\left (d x +c \right )\right ) \sin \left (d x +c \right )}{3}+2 a^{2} \left (\frac {\cos \left (d x +c \right ) \sin \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )+a^{2} \sin \left (d x +c \right )}{d} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.47, size = 61, normalized size = 1.07 \[ -\frac {2 \, {\left (\sin \left (d x + c\right )^{3} - 3 \, \sin \left (d x + c\right )\right )} a^{2} - 3 \, {\left (2 \, d x + 2 \, c + \sin \left (2 \, d x + 2 \, c\right )\right )} a^{2} - 6 \, a^{2} \sin \left (d x + c\right )}{6 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.38, size = 61, normalized size = 1.07 \[ a^2\,x+\frac {5\,a^2\,\sin \left (c+d\,x\right )}{3\,d}+\frac {a^2\,{\cos \left (c+d\,x\right )}^2\,\sin \left (c+d\,x\right )}{3\,d}+\frac {a^2\,\cos \left (c+d\,x\right )\,\sin \left (c+d\,x\right )}{d} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.48, size = 107, normalized size = 1.88 \[ \begin {cases} a^{2} x \sin ^{2}{\left (c + d x \right )} + a^{2} x \cos ^{2}{\left (c + d x \right )} + \frac {2 a^{2} \sin ^{3}{\left (c + d x \right )}}{3 d} + \frac {a^{2} \sin {\left (c + d x \right )} \cos ^{2}{\left (c + d x \right )}}{d} + \frac {a^{2} \sin {\left (c + d x \right )} \cos {\left (c + d x \right )}}{d} + \frac {a^{2} \sin {\left (c + d x \right )}}{d} & \text {for}\: d \neq 0 \\x \left (a \cos {\relax (c )} + a\right )^{2} \cos {\relax (c )} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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