Optimal. Leaf size=70 \[ -\frac{(4 B-C) \tan (c+d x)}{3 a^2 d (\sec (c+d x)+1)}+\frac{B x}{a^2}-\frac{(B-C) \tan (c+d x)}{3 d (a \sec (c+d x)+a)^2} \]
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Rubi [A] time = 0.177613, antiderivative size = 70, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 38, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.105, Rules used = {4072, 3922, 3919, 3794} \[ -\frac{(4 B-C) \tan (c+d x)}{3 a^2 d (\sec (c+d x)+1)}+\frac{B x}{a^2}-\frac{(B-C) \tan (c+d x)}{3 d (a \sec (c+d x)+a)^2} \]
Antiderivative was successfully verified.
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Rule 4072
Rule 3922
Rule 3919
Rule 3794
Rubi steps
\begin{align*} \int \frac{\cos (c+d x) \left (B \sec (c+d x)+C \sec ^2(c+d x)\right )}{(a+a \sec (c+d x))^2} \, dx &=\int \frac{B+C \sec (c+d x)}{(a+a \sec (c+d x))^2} \, dx\\ &=-\frac{(B-C) \tan (c+d x)}{3 d (a+a \sec (c+d x))^2}-\frac{\int \frac{-3 a B+a (B-C) \sec (c+d x)}{a+a \sec (c+d x)} \, dx}{3 a^2}\\ &=\frac{B x}{a^2}-\frac{(B-C) \tan (c+d x)}{3 d (a+a \sec (c+d x))^2}-\frac{(4 B-C) \int \frac{\sec (c+d x)}{a+a \sec (c+d x)} \, dx}{3 a}\\ &=\frac{B x}{a^2}-\frac{(B-C) \tan (c+d x)}{3 d (a+a \sec (c+d x))^2}-\frac{(4 B-C) \tan (c+d x)}{3 d \left (a^2+a^2 \sec (c+d x)\right )}\\ \end{align*}
Mathematica [B] time = 0.394118, size = 153, normalized size = 2.19 \[ \frac{\sec \left (\frac{c}{2}\right ) \sec ^3\left (\frac{1}{2} (c+d x)\right ) \left (12 B \sin \left (c+\frac{d x}{2}\right )-10 B \sin \left (c+\frac{3 d x}{2}\right )+9 B d x \cos \left (c+\frac{d x}{2}\right )+3 B d x \cos \left (c+\frac{3 d x}{2}\right )+3 B d x \cos \left (2 c+\frac{3 d x}{2}\right )-18 B \sin \left (\frac{d x}{2}\right )+9 B d x \cos \left (\frac{d x}{2}\right )-6 C \sin \left (c+\frac{d x}{2}\right )+4 C \sin \left (c+\frac{3 d x}{2}\right )+6 C \sin \left (\frac{d x}{2}\right )\right )}{24 a^2 d} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.079, size = 97, normalized size = 1.4 \begin{align*}{\frac{B}{6\,d{a}^{2}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) \right ) ^{3}}-{\frac{C}{6\,d{a}^{2}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) \right ) ^{3}}-{\frac{3\,B}{2\,d{a}^{2}}\tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) }+{\frac{C}{2\,d{a}^{2}}\tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) }+2\,{\frac{B\arctan \left ( \tan \left ( 1/2\,dx+c/2 \right ) \right ) }{d{a}^{2}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.43539, size = 162, normalized size = 2.31 \begin{align*} -\frac{B{\left (\frac{\frac{9 \, \sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} - \frac{\sin \left (d x + c\right )^{3}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{3}}}{a^{2}} - \frac{12 \, \arctan \left (\frac{\sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1}\right )}{a^{2}}\right )} - \frac{C{\left (\frac{3 \, \sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1} - \frac{\sin \left (d x + c\right )^{3}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{3}}\right )}}{a^{2}}}{6 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 0.480935, size = 228, normalized size = 3.26 \begin{align*} \frac{3 \, B d x \cos \left (d x + c\right )^{2} + 6 \, B d x \cos \left (d x + c\right ) + 3 \, B d x -{\left ({\left (5 \, B - 2 \, C\right )} \cos \left (d x + c\right ) + 4 \, B - C\right )} \sin \left (d x + c\right )}{3 \,{\left (a^{2} d \cos \left (d x + c\right )^{2} + 2 \, a^{2} d \cos \left (d x + c\right ) + a^{2} d\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \frac{\int \frac{B \cos{\left (c + d x \right )} \sec{\left (c + d x \right )}}{\sec ^{2}{\left (c + d x \right )} + 2 \sec{\left (c + d x \right )} + 1}\, dx + \int \frac{C \cos{\left (c + d x \right )} \sec ^{2}{\left (c + d x \right )}}{\sec ^{2}{\left (c + d x \right )} + 2 \sec{\left (c + d x \right )} + 1}\, dx}{a^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.12187, size = 115, normalized size = 1.64 \begin{align*} \frac{\frac{6 \,{\left (d x + c\right )} B}{a^{2}} + \frac{B a^{4} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} - C a^{4} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} - 9 \, B a^{4} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) + 3 \, C a^{4} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )}{a^{6}}}{6 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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