Optimal. Leaf size=266 \[ -\frac{\left (11 a^2 A b^2+a^4 (-(2 A-3 C))-6 A b^4\right ) \sin (c+d x)}{2 a^3 d \left (a^2-b^2\right )^2}-\frac{\left (-a^4 b^2 (12 A+C)+15 a^2 A b^4-2 a^6 C-6 A b^6\right ) \tanh ^{-1}\left (\frac{\sqrt{a-b} \tan \left (\frac{1}{2} (c+d x)\right )}{\sqrt{a+b}}\right )}{a^4 d (a-b)^{5/2} (a+b)^{5/2}}-\frac{\left (-a^2 b^2 (6 A+C)-2 a^4 C+3 A b^4\right ) \sin (c+d x)}{2 a^2 d \left (a^2-b^2\right )^2 (a+b \sec (c+d x))}+\frac{\left (a^2 C+A b^2\right ) \sin (c+d x)}{2 a d \left (a^2-b^2\right ) (a+b \sec (c+d x))^2}-\frac{3 A b x}{a^4} \]
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Rubi [A] time = 0.96297, antiderivative size = 266, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 7, integrand size = 31, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.226, Rules used = {4101, 4100, 4104, 3919, 3831, 2659, 208} \[ -\frac{\left (11 a^2 A b^2+a^4 (-(2 A-3 C))-6 A b^4\right ) \sin (c+d x)}{2 a^3 d \left (a^2-b^2\right )^2}-\frac{\left (-a^4 b^2 (12 A+C)+15 a^2 A b^4-2 a^6 C-6 A b^6\right ) \tanh ^{-1}\left (\frac{\sqrt{a-b} \tan \left (\frac{1}{2} (c+d x)\right )}{\sqrt{a+b}}\right )}{a^4 d (a-b)^{5/2} (a+b)^{5/2}}-\frac{\left (-a^2 b^2 (6 A+C)-2 a^4 C+3 A b^4\right ) \sin (c+d x)}{2 a^2 d \left (a^2-b^2\right )^2 (a+b \sec (c+d x))}+\frac{\left (a^2 C+A b^2\right ) \sin (c+d x)}{2 a d \left (a^2-b^2\right ) (a+b \sec (c+d x))^2}-\frac{3 A b x}{a^4} \]
Antiderivative was successfully verified.
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Rule 4101
Rule 4100
Rule 4104
Rule 3919
Rule 3831
Rule 2659
Rule 208
Rubi steps
\begin{align*} \int \frac{\cos (c+d x) \left (A+C \sec ^2(c+d x)\right )}{(a+b \sec (c+d x))^3} \, dx &=\frac{\left (A b^2+a^2 C\right ) \sin (c+d x)}{2 a \left (a^2-b^2\right ) d (a+b \sec (c+d x))^2}-\frac{\int \frac{\cos (c+d x) \left (3 A b^2-a^2 (2 A-C)+2 a b (A+C) \sec (c+d x)-2 \left (A b^2+a^2 C\right ) \sec ^2(c+d x)\right )}{(a+b \sec (c+d x))^2} \, dx}{2 a \left (a^2-b^2\right )}\\ &=\frac{\left (A b^2+a^2 C\right ) \sin (c+d x)}{2 a \left (a^2-b^2\right ) d (a+b \sec (c+d x))^2}-\frac{\left (3 A b^4-2 a^4 C-a^2 b^2 (6 A+C)\right ) \sin (c+d x)}{2 a^2 \left (a^2-b^2\right )^2 d (a+b \sec (c+d x))}+\frac{\int \frac{\cos (c+d x) \left (-11 a^2 A b^2+6 A b^4+a^4 (2 A-3 C)+a b \left (A b^2-a^2 (4 A+3 C)\right ) \sec (c+d x)-\left (3 A b^4-2 a^4 C-a^2 b^2 (6 A+C)\right ) \sec ^2(c+d x)\right )}{a+b \sec (c+d x)} \, dx}{2 a^2 \left (a^2-b^2\right )^2}\\ &=-\frac{\left (11 a^2 A b^2-6 A b^4-a^4 (2 A-3 C)\right ) \sin (c+d x)}{2 a^3 \left (a^2-b^2\right )^2 d}+\frac{\left (A b^2+a^2 C\right ) \sin (c+d x)}{2 a \left (a^2-b^2\right ) d (a+b \sec (c+d x))^2}-\frac{\left (3 A b^4-2 a^4 C-a^2 b^2 (6 A+C)\right ) \sin (c+d x)}{2 a^2 \left (a^2-b^2\right )^2 d (a+b \sec (c+d x))}-\frac{\int \frac{6 A b \left (a^2-b^2\right )^2+a \left (3 A b^4-2 a^4 C-a^2 b^2 (6 A+C)\right ) \sec (c+d x)}{a+b \sec (c+d x)} \, dx}{2 a^3 \left (a^2-b^2\right )^2}\\ &=-\frac{3 A b x}{a^4}-\frac{\left (11 a^2 A b^2-6 A b^4-a^4 (2 A-3 C)\right ) \sin (c+d x)}{2 a^3 \left (a^2-b^2\right )^2 d}+\frac{\left (A b^2+a^2 C\right ) \sin (c+d x)}{2 a \left (a^2-b^2\right ) d (a+b \sec (c+d x))^2}-\frac{\left (3 A b^4-2 a^4 C-a^2 b^2 (6 A+C)\right ) \sin (c+d x)}{2 a^2 \left (a^2-b^2\right )^2 d (a+b \sec (c+d x))}-\frac{\left (15 a^2 A b^4-6 A b^6-2 a^6 C-a^4 b^2 (12 A+C)\right ) \int \frac{\sec (c+d x)}{a+b \sec (c+d x)} \, dx}{2 a^4 \left (a^2-b^2\right )^2}\\ &=-\frac{3 A b x}{a^4}-\frac{\left (11 a^2 A b^2-6 A b^4-a^4 (2 A-3 C)\right ) \sin (c+d x)}{2 a^3 \left (a^2-b^2\right )^2 d}+\frac{\left (A b^2+a^2 C\right ) \sin (c+d x)}{2 a \left (a^2-b^2\right ) d (a+b \sec (c+d x))^2}-\frac{\left (3 A b^4-2 a^4 C-a^2 b^2 (6 A+C)\right ) \sin (c+d x)}{2 a^2 \left (a^2-b^2\right )^2 d (a+b \sec (c+d x))}-\frac{\left (15 a^2 A b^4-6 A b^6-2 a^6 C-a^4 b^2 (12 A+C)\right ) \int \frac{1}{1+\frac{a \cos (c+d x)}{b}} \, dx}{2 a^4 b \left (a^2-b^2\right )^2}\\ &=-\frac{3 A b x}{a^4}-\frac{\left (11 a^2 A b^2-6 A b^4-a^4 (2 A-3 C)\right ) \sin (c+d x)}{2 a^3 \left (a^2-b^2\right )^2 d}+\frac{\left (A b^2+a^2 C\right ) \sin (c+d x)}{2 a \left (a^2-b^2\right ) d (a+b \sec (c+d x))^2}-\frac{\left (3 A b^4-2 a^4 C-a^2 b^2 (6 A+C)\right ) \sin (c+d x)}{2 a^2 \left (a^2-b^2\right )^2 d (a+b \sec (c+d x))}-\frac{\left (15 a^2 A b^4-6 A b^6-2 a^6 C-a^4 b^2 (12 A+C)\right ) \operatorname{Subst}\left (\int \frac{1}{1+\frac{a}{b}+\left (1-\frac{a}{b}\right ) x^2} \, dx,x,\tan \left (\frac{1}{2} (c+d x)\right )\right )}{a^4 b \left (a^2-b^2\right )^2 d}\\ &=-\frac{3 A b x}{a^4}+\frac{\left (12 a^4 A b^2-15 a^2 A b^4+6 A b^6+2 a^6 C+a^4 b^2 C\right ) \tanh ^{-1}\left (\frac{\sqrt{a-b} \tan \left (\frac{1}{2} (c+d x)\right )}{\sqrt{a+b}}\right )}{a^4 (a-b)^{5/2} (a+b)^{5/2} d}-\frac{\left (11 a^2 A b^2-6 A b^4-a^4 (2 A-3 C)\right ) \sin (c+d x)}{2 a^3 \left (a^2-b^2\right )^2 d}+\frac{\left (A b^2+a^2 C\right ) \sin (c+d x)}{2 a \left (a^2-b^2\right ) d (a+b \sec (c+d x))^2}-\frac{\left (3 A b^4-2 a^4 C-a^2 b^2 (6 A+C)\right ) \sin (c+d x)}{2 a^2 \left (a^2-b^2\right )^2 d (a+b \sec (c+d x))}\\ \end{align*}
Mathematica [C] time = 6.58112, size = 902, normalized size = 3.39 \[ \frac{(b+a \cos (c+d x)) \sec (c+d x) \left (C \sec ^2(c+d x)+A\right ) \left (\frac{\sec (c) \left (A \sin (d x) a^7+A \sin (2 c+d x) a^7+A \sin (2 c+3 d x) a^7+A \sin (4 c+3 d x) a^7-6 A b d x \cos (c+2 d x) a^6-6 A b d x \cos (3 c+2 d x) a^6+8 b C \sin (c) a^6+4 A b \sin (c+2 d x) a^6-8 b C \sin (c+2 d x) a^6+4 A b \sin (3 c+2 d x) a^6-24 A b^2 d x \cos (2 c+d x) a^5+2 A b^2 \sin (d x) a^5-22 b^2 C \sin (d x) a^5+2 A b^2 \sin (2 c+d x) a^5+10 b^2 C \sin (2 c+d x) a^5-2 A b^2 \sin (2 c+3 d x) a^5-2 A b^2 \sin (4 c+3 d x) a^5+12 A b^3 d x \cos (c+2 d x) a^4+12 A b^3 d x \cos (3 c+2 d x) a^4+16 A b^3 \sin (c) a^4+14 b^3 C \sin (c) a^4-24 A b^3 \sin (c+2 d x) a^4+2 b^3 C \sin (c+2 d x) a^4-8 A b^3 \sin (3 c+2 d x) a^4+48 A b^4 d x \cos (2 c+d x) a^3-53 A b^4 \sin (d x) a^3+4 b^4 C \sin (d x) a^3+11 A b^4 \sin (2 c+d x) a^3-4 b^4 C \sin (2 c+d x) a^3+A b^4 \sin (2 c+3 d x) a^3+A b^4 \sin (4 c+3 d x) a^3-6 A b^5 d x \cos (c+2 d x) a^2-6 A b^5 d x \cos (3 c+2 d x) a^2+22 A b^5 \sin (c) a^2-4 b^5 C \sin (c) a^2+14 A b^5 \sin (c+2 d x) a^2+4 A b^5 \sin (3 c+2 d x) a^2-24 A b^2 \left (a^2-b^2\right )^2 d x \cos (d x) a-24 A b^6 d x \cos (2 c+d x) a+32 A b^6 \sin (d x) a-8 A b^6 \sin (2 c+d x) a-12 A b \left (a^2-b^2\right )^2 \left (a^2+2 b^2\right ) d x \cos (c)-20 A b^7 \sin (c)\right )}{\left (a^2-b^2\right )^2}-\frac{8 i \left (2 C a^6+b^2 (12 A+C) a^4-15 A b^4 a^2+6 A b^6\right ) \tan ^{-1}\left (\frac{(i \cos (c)+\sin (c)) \left (a \sin (c)+(a \cos (c)-b) \tan \left (\frac{d x}{2}\right )\right )}{\sqrt{a^2-b^2} \sqrt{(\cos (c)-i \sin (c))^2}}\right ) (b+a \cos (c+d x))^2 (\cos (c)-i \sin (c))}{\left (a^2-b^2\right )^{5/2} \sqrt{(\cos (c)-i \sin (c))^2}}\right )}{4 a^4 d (\cos (2 (c+d x)) A+A+2 C) (a+b \sec (c+d x))^3} \]
Warning: Unable to verify antiderivative.
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Maple [B] time = 0.138, size = 1132, normalized size = 4.3 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 0.786619, size = 2654, normalized size = 9.98 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.29381, size = 663, normalized size = 2.49 \begin{align*} \frac{\frac{{\left (2 \, C a^{6} + 12 \, A a^{4} b^{2} + C a^{4} b^{2} - 15 \, A a^{2} b^{4} + 6 \, A b^{6}\right )}{\left (\pi \left \lfloor \frac{d x + c}{2 \, \pi } + \frac{1}{2} \right \rfloor \mathrm{sgn}\left (-2 \, a + 2 \, b\right ) + \arctan \left (-\frac{a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )}{\sqrt{-a^{2} + b^{2}}}\right )\right )}}{{\left (a^{8} - 2 \, a^{6} b^{2} + a^{4} b^{4}\right )} \sqrt{-a^{2} + b^{2}}} - \frac{3 \,{\left (d x + c\right )} A b}{a^{4}} + \frac{4 \, C a^{5} b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} - 3 \, C a^{4} b^{2} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} + 8 \, A a^{3} b^{3} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} - C a^{3} b^{3} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} - 7 \, A a^{2} b^{4} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} - 5 \, A a b^{5} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} + 4 \, A b^{6} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} - 4 \, C a^{5} b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - 3 \, C a^{4} b^{2} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - 8 \, A a^{3} b^{3} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) + C a^{3} b^{3} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - 7 \, A a^{2} b^{4} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) + 5 \, A a b^{5} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) + 4 \, A b^{6} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )}{{\left (a^{7} - 2 \, a^{5} b^{2} + a^{3} b^{4}\right )}{\left (a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - a - b\right )}^{2}} + \frac{2 \, A \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )}{{\left (\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + 1\right )} a^{3}}}{d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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