Optimal. Leaf size=65 \[ -\frac {a \cos ^3(c+d x)}{3 d}-\frac {b \sin (c+d x) \cos ^3(c+d x)}{4 d}+\frac {b \sin (c+d x) \cos (c+d x)}{8 d}+\frac {b x}{8} \]
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Rubi [A] time = 0.09, antiderivative size = 65, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, integrand size = 25, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.240, Rules used = {2838, 2565, 30, 2568, 2635, 8} \[ -\frac {a \cos ^3(c+d x)}{3 d}-\frac {b \sin (c+d x) \cos ^3(c+d x)}{4 d}+\frac {b \sin (c+d x) \cos (c+d x)}{8 d}+\frac {b x}{8} \]
Antiderivative was successfully verified.
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Rule 8
Rule 30
Rule 2565
Rule 2568
Rule 2635
Rule 2838
Rubi steps
\begin {align*} \int \cos ^2(c+d x) \sin (c+d x) (a+b \sin (c+d x)) \, dx &=a \int \cos ^2(c+d x) \sin (c+d x) \, dx+b \int \cos ^2(c+d x) \sin ^2(c+d x) \, dx\\ &=-\frac {b \cos ^3(c+d x) \sin (c+d x)}{4 d}+\frac {1}{4} b \int \cos ^2(c+d x) \, dx-\frac {a \operatorname {Subst}\left (\int x^2 \, dx,x,\cos (c+d x)\right )}{d}\\ &=-\frac {a \cos ^3(c+d x)}{3 d}+\frac {b \cos (c+d x) \sin (c+d x)}{8 d}-\frac {b \cos ^3(c+d x) \sin (c+d x)}{4 d}+\frac {1}{8} b \int 1 \, dx\\ &=\frac {b x}{8}-\frac {a \cos ^3(c+d x)}{3 d}+\frac {b \cos (c+d x) \sin (c+d x)}{8 d}-\frac {b \cos ^3(c+d x) \sin (c+d x)}{4 d}\\ \end {align*}
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Mathematica [A] time = 0.12, size = 61, normalized size = 0.94 \[ -\frac {a \cos ^3(c+d x)}{3 d}+\frac {1}{8} b \left (-\frac {\sin (4 c) \cos (4 d x)}{4 d}-\frac {\cos (4 c) \sin (4 d x)}{4 d}\right )+\frac {b x}{8} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.69, size = 51, normalized size = 0.78 \[ -\frac {8 \, a \cos \left (d x + c\right )^{3} - 3 \, b d x + 3 \, {\left (2 \, b \cos \left (d x + c\right )^{3} - b \cos \left (d x + c\right )\right )} \sin \left (d x + c\right )}{24 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.15, size = 47, normalized size = 0.72 \[ \frac {1}{8} \, b x - \frac {a \cos \left (3 \, d x + 3 \, c\right )}{12 \, d} - \frac {a \cos \left (d x + c\right )}{4 \, d} - \frac {b \sin \left (4 \, d x + 4 \, c\right )}{32 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.09, size = 57, normalized size = 0.88 \[ \frac {-\frac {\left (\cos ^{3}\left (d x +c \right )\right ) a}{3}+b \left (-\frac {\sin \left (d x +c \right ) \left (\cos ^{3}\left (d x +c \right )\right )}{4}+\frac {\cos \left (d x +c \right ) \sin \left (d x +c \right )}{8}+\frac {d x}{8}+\frac {c}{8}\right )}{d} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.37, size = 39, normalized size = 0.60 \[ -\frac {32 \, a \cos \left (d x + c\right )^{3} - 3 \, {\left (4 \, d x + 4 \, c - \sin \left (4 \, d x + 4 \, c\right )\right )} b}{96 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 12.66, size = 125, normalized size = 1.92 \[ \frac {b\,x}{8}-\frac {-\frac {b\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^7}{4}+2\,a\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^6+\frac {7\,b\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^5}{4}+2\,a\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4-\frac {7\,b\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^3}{4}+\frac {2\,a\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2}{3}+\frac {b\,\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}{4}+\frac {2\,a}{3}}{d\,{\left ({\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2+1\right )}^4} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.90, size = 119, normalized size = 1.83 \[ \begin {cases} - \frac {a \cos ^{3}{\left (c + d x \right )}}{3 d} + \frac {b x \sin ^{4}{\left (c + d x \right )}}{8} + \frac {b x \sin ^{2}{\left (c + d x \right )} \cos ^{2}{\left (c + d x \right )}}{4} + \frac {b x \cos ^{4}{\left (c + d x \right )}}{8} + \frac {b \sin ^{3}{\left (c + d x \right )} \cos {\left (c + d x \right )}}{8 d} - \frac {b \sin {\left (c + d x \right )} \cos ^{3}{\left (c + d x \right )}}{8 d} & \text {for}\: d \neq 0 \\x \left (a + b \sin {\relax (c )}\right ) \sin {\relax (c )} \cos ^{2}{\relax (c )} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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