Optimal. Leaf size=88 \[ \frac{(4 A+3 C) \sin (c+d x) \cos (c+d x)}{8 d}+\frac{1}{8} x (4 A+3 C)-\frac{B \sin ^3(c+d x)}{3 d}+\frac{B \sin (c+d x)}{d}+\frac{C \sin (c+d x) \cos ^3(c+d x)}{4 d} \]
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Rubi [A] time = 0.0945887, antiderivative size = 88, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 5, integrand size = 29, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.172, Rules used = {3023, 2748, 2635, 8, 2633} \[ \frac{(4 A+3 C) \sin (c+d x) \cos (c+d x)}{8 d}+\frac{1}{8} x (4 A+3 C)-\frac{B \sin ^3(c+d x)}{3 d}+\frac{B \sin (c+d x)}{d}+\frac{C \sin (c+d x) \cos ^3(c+d x)}{4 d} \]
Antiderivative was successfully verified.
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Rule 3023
Rule 2748
Rule 2635
Rule 8
Rule 2633
Rubi steps
\begin{align*} \int \cos ^2(c+d x) \left (A+B \cos (c+d x)+C \cos ^2(c+d x)\right ) \, dx &=\frac{C \cos ^3(c+d x) \sin (c+d x)}{4 d}+\frac{1}{4} \int \cos ^2(c+d x) (4 A+3 C+4 B \cos (c+d x)) \, dx\\ &=\frac{C \cos ^3(c+d x) \sin (c+d x)}{4 d}+B \int \cos ^3(c+d x) \, dx+\frac{1}{4} (4 A+3 C) \int \cos ^2(c+d x) \, dx\\ &=\frac{(4 A+3 C) \cos (c+d x) \sin (c+d x)}{8 d}+\frac{C \cos ^3(c+d x) \sin (c+d x)}{4 d}+\frac{1}{8} (4 A+3 C) \int 1 \, dx-\frac{B \operatorname{Subst}\left (\int \left (1-x^2\right ) \, dx,x,-\sin (c+d x)\right )}{d}\\ &=\frac{1}{8} (4 A+3 C) x+\frac{B \sin (c+d x)}{d}+\frac{(4 A+3 C) \cos (c+d x) \sin (c+d x)}{8 d}+\frac{C \cos ^3(c+d x) \sin (c+d x)}{4 d}-\frac{B \sin ^3(c+d x)}{3 d}\\ \end{align*}
Mathematica [A] time = 0.153774, size = 70, normalized size = 0.8 \[ \frac{24 (A+C) \sin (2 (c+d x))+48 A c+48 A d x-32 B \sin ^3(c+d x)+96 B \sin (c+d x)+3 C \sin (4 (c+d x))+36 c C+36 C d x}{96 d} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.013, size = 84, normalized size = 1. \begin{align*}{\frac{1}{d} \left ( C \left ({\frac{\sin \left ( dx+c \right ) }{4} \left ( \left ( \cos \left ( dx+c \right ) \right ) ^{3}+{\frac{3\,\cos \left ( dx+c \right ) }{2}} \right ) }+{\frac{3\,dx}{8}}+{\frac{3\,c}{8}} \right ) +{\frac{B \left ( 2+ \left ( \cos \left ( dx+c \right ) \right ) ^{2} \right ) \sin \left ( dx+c \right ) }{3}}+A \left ({\frac{\cos \left ( dx+c \right ) \sin \left ( dx+c \right ) }{2}}+{\frac{dx}{2}}+{\frac{c}{2}} \right ) \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.967407, size = 104, normalized size = 1.18 \begin{align*} \frac{24 \,{\left (2 \, d x + 2 \, c + \sin \left (2 \, d x + 2 \, c\right )\right )} A - 32 \,{\left (\sin \left (d x + c\right )^{3} - 3 \, \sin \left (d x + c\right )\right )} B + 3 \,{\left (12 \, d x + 12 \, c + \sin \left (4 \, d x + 4 \, c\right ) + 8 \, \sin \left (2 \, d x + 2 \, c\right )\right )} C}{96 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.9633, size = 163, normalized size = 1.85 \begin{align*} \frac{3 \,{\left (4 \, A + 3 \, C\right )} d x +{\left (6 \, C \cos \left (d x + c\right )^{3} + 8 \, B \cos \left (d x + c\right )^{2} + 3 \,{\left (4 \, A + 3 \, C\right )} \cos \left (d x + c\right ) + 16 \, B\right )} \sin \left (d x + c\right )}{24 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 1.29187, size = 197, normalized size = 2.24 \begin{align*} \begin{cases} \frac{A x \sin ^{2}{\left (c + d x \right )}}{2} + \frac{A x \cos ^{2}{\left (c + d x \right )}}{2} + \frac{A \sin{\left (c + d x \right )} \cos{\left (c + d x \right )}}{2 d} + \frac{2 B \sin ^{3}{\left (c + d x \right )}}{3 d} + \frac{B \sin{\left (c + d x \right )} \cos ^{2}{\left (c + d x \right )}}{d} + \frac{3 C x \sin ^{4}{\left (c + d x \right )}}{8} + \frac{3 C x \sin ^{2}{\left (c + d x \right )} \cos ^{2}{\left (c + d x \right )}}{4} + \frac{3 C x \cos ^{4}{\left (c + d x \right )}}{8} + \frac{3 C \sin ^{3}{\left (c + d x \right )} \cos{\left (c + d x \right )}}{8 d} + \frac{5 C \sin{\left (c + d x \right )} \cos ^{3}{\left (c + d x \right )}}{8 d} & \text{for}\: d \neq 0 \\x \left (A + B \cos{\left (c \right )} + C \cos ^{2}{\left (c \right )}\right ) \cos ^{2}{\left (c \right )} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.17457, size = 95, normalized size = 1.08 \begin{align*} \frac{1}{8} \,{\left (4 \, A + 3 \, C\right )} x + \frac{C \sin \left (4 \, d x + 4 \, c\right )}{32 \, d} + \frac{B \sin \left (3 \, d x + 3 \, c\right )}{12 \, d} + \frac{{\left (A + C\right )} \sin \left (2 \, d x + 2 \, c\right )}{4 \, d} + \frac{3 \, B \sin \left (d x + c\right )}{4 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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