Optimal. Leaf size=243 \[ -\frac{b^5 \sin (c+d x)}{a^2 d \left (a^2-b^2\right )^2 (a \cos (c+d x)+b)}+\frac{2 b^6 \tanh ^{-1}\left (\frac{\sqrt{a-b} \tan \left (\frac{1}{2} (c+d x)\right )}{\sqrt{a+b}}\right )}{a^3 d (a-b)^{5/2} (a+b)^{5/2}}+\frac{2 b^4 \left (5 a^2-3 b^2\right ) \tanh ^{-1}\left (\frac{\sqrt{a-b} \tan \left (\frac{1}{2} (c+d x)\right )}{\sqrt{a+b}}\right )}{a^3 d (a-b)^{5/2} (a+b)^{5/2}}+\frac{2 b x}{a^3}-\frac{\sin (c+d x)}{a^2 d}-\frac{\sin (c+d x)}{2 d (a+b)^2 (1-\cos (c+d x))}-\frac{\sin (c+d x)}{2 d (a-b)^2 (\cos (c+d x)+1)} \]
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Rubi [A] time = 0.610712, antiderivative size = 243, normalized size of antiderivative = 1., number of steps used = 12, number of rules used = 8, integrand size = 28, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.286, Rules used = {4397, 2897, 2648, 2637, 2664, 12, 2659, 208} \[ -\frac{b^5 \sin (c+d x)}{a^2 d \left (a^2-b^2\right )^2 (a \cos (c+d x)+b)}+\frac{2 b^6 \tanh ^{-1}\left (\frac{\sqrt{a-b} \tan \left (\frac{1}{2} (c+d x)\right )}{\sqrt{a+b}}\right )}{a^3 d (a-b)^{5/2} (a+b)^{5/2}}+\frac{2 b^4 \left (5 a^2-3 b^2\right ) \tanh ^{-1}\left (\frac{\sqrt{a-b} \tan \left (\frac{1}{2} (c+d x)\right )}{\sqrt{a+b}}\right )}{a^3 d (a-b)^{5/2} (a+b)^{5/2}}+\frac{2 b x}{a^3}-\frac{\sin (c+d x)}{a^2 d}-\frac{\sin (c+d x)}{2 d (a+b)^2 (1-\cos (c+d x))}-\frac{\sin (c+d x)}{2 d (a-b)^2 (\cos (c+d x)+1)} \]
Antiderivative was successfully verified.
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Rule 4397
Rule 2897
Rule 2648
Rule 2637
Rule 2664
Rule 12
Rule 2659
Rule 208
Rubi steps
\begin{align*} \int \frac{\cos ^3(c+d x)}{(a \sin (c+d x)+b \tan (c+d x))^2} \, dx &=\int \frac{\cos ^3(c+d x) \cot ^2(c+d x)}{(b+a \cos (c+d x))^2} \, dx\\ &=-\int \left (-\frac{2 b}{a^3}-\frac{1}{2 (a-b)^2 (-1-\cos (c+d x))}-\frac{1}{2 (a+b)^2 (1-\cos (c+d x))}+\frac{\cos (c+d x)}{a^2}+\frac{b^5}{a^3 \left (a^2-b^2\right ) (-b-a \cos (c+d x))^2}+\frac{b^4 \left (5 a^2-3 b^2\right )}{a^3 \left (a^2-b^2\right )^2 (-b-a \cos (c+d x))}\right ) \, dx\\ &=\frac{2 b x}{a^3}-\frac{\int \cos (c+d x) \, dx}{a^2}+\frac{\int \frac{1}{-1-\cos (c+d x)} \, dx}{2 (a-b)^2}+\frac{\int \frac{1}{1-\cos (c+d x)} \, dx}{2 (a+b)^2}-\frac{\left (b^4 \left (5 a^2-3 b^2\right )\right ) \int \frac{1}{-b-a \cos (c+d x)} \, dx}{a^3 \left (a^2-b^2\right )^2}-\frac{b^5 \int \frac{1}{(-b-a \cos (c+d x))^2} \, dx}{a^3 \left (a^2-b^2\right )}\\ &=\frac{2 b x}{a^3}-\frac{\sin (c+d x)}{a^2 d}-\frac{\sin (c+d x)}{2 (a+b)^2 d (1-\cos (c+d x))}-\frac{\sin (c+d x)}{2 (a-b)^2 d (1+\cos (c+d x))}-\frac{b^5 \sin (c+d x)}{a^2 \left (a^2-b^2\right )^2 d (b+a \cos (c+d x))}-\frac{b^5 \int \frac{b}{-b-a \cos (c+d x)} \, dx}{a^3 \left (a^2-b^2\right )^2}-\frac{\left (2 b^4 \left (5 a^2-3 b^2\right )\right ) \operatorname{Subst}\left (\int \frac{1}{-a-b+(a-b) x^2} \, dx,x,\tan \left (\frac{1}{2} (c+d x)\right )\right )}{a^3 \left (a^2-b^2\right )^2 d}\\ &=\frac{2 b x}{a^3}+\frac{2 b^4 \left (5 a^2-3 b^2\right ) \tanh ^{-1}\left (\frac{\sqrt{a-b} \tan \left (\frac{1}{2} (c+d x)\right )}{\sqrt{a+b}}\right )}{a^3 (a-b)^{5/2} (a+b)^{5/2} d}-\frac{\sin (c+d x)}{a^2 d}-\frac{\sin (c+d x)}{2 (a+b)^2 d (1-\cos (c+d x))}-\frac{\sin (c+d x)}{2 (a-b)^2 d (1+\cos (c+d x))}-\frac{b^5 \sin (c+d x)}{a^2 \left (a^2-b^2\right )^2 d (b+a \cos (c+d x))}-\frac{b^6 \int \frac{1}{-b-a \cos (c+d x)} \, dx}{a^3 \left (a^2-b^2\right )^2}\\ &=\frac{2 b x}{a^3}+\frac{2 b^4 \left (5 a^2-3 b^2\right ) \tanh ^{-1}\left (\frac{\sqrt{a-b} \tan \left (\frac{1}{2} (c+d x)\right )}{\sqrt{a+b}}\right )}{a^3 (a-b)^{5/2} (a+b)^{5/2} d}-\frac{\sin (c+d x)}{a^2 d}-\frac{\sin (c+d x)}{2 (a+b)^2 d (1-\cos (c+d x))}-\frac{\sin (c+d x)}{2 (a-b)^2 d (1+\cos (c+d x))}-\frac{b^5 \sin (c+d x)}{a^2 \left (a^2-b^2\right )^2 d (b+a \cos (c+d x))}-\frac{\left (2 b^6\right ) \operatorname{Subst}\left (\int \frac{1}{-a-b+(a-b) x^2} \, dx,x,\tan \left (\frac{1}{2} (c+d x)\right )\right )}{a^3 \left (a^2-b^2\right )^2 d}\\ &=\frac{2 b x}{a^3}+\frac{2 b^6 \tanh ^{-1}\left (\frac{\sqrt{a-b} \tan \left (\frac{1}{2} (c+d x)\right )}{\sqrt{a+b}}\right )}{a^3 (a-b)^{5/2} (a+b)^{5/2} d}+\frac{2 b^4 \left (5 a^2-3 b^2\right ) \tanh ^{-1}\left (\frac{\sqrt{a-b} \tan \left (\frac{1}{2} (c+d x)\right )}{\sqrt{a+b}}\right )}{a^3 (a-b)^{5/2} (a+b)^{5/2} d}-\frac{\sin (c+d x)}{a^2 d}-\frac{\sin (c+d x)}{2 (a+b)^2 d (1-\cos (c+d x))}-\frac{\sin (c+d x)}{2 (a-b)^2 d (1+\cos (c+d x))}-\frac{b^5 \sin (c+d x)}{a^2 \left (a^2-b^2\right )^2 d (b+a \cos (c+d x))}\\ \end{align*}
Mathematica [A] time = 3.06031, size = 164, normalized size = 0.67 \[ -\frac{\frac{2 b^5 \sin (c+d x)}{a^2 (a-b)^2 (a+b)^2 (a \cos (c+d x)+b)}+\frac{4 b^4 \left (5 a^2-2 b^2\right ) \tanh ^{-1}\left (\frac{(b-a) \tan \left (\frac{1}{2} (c+d x)\right )}{\sqrt{a^2-b^2}}\right )}{a^3 \left (a^2-b^2\right )^{5/2}}-\frac{4 b (c+d x)}{a^3}+\frac{2 \sin (c+d x)}{a^2}+\frac{\tan \left (\frac{1}{2} (c+d x)\right )}{(a-b)^2}+\frac{\cot \left (\frac{1}{2} (c+d x)\right )}{(a+b)^2}}{2 d} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.186, size = 291, normalized size = 1.2 \begin{align*} -{\frac{1}{2\,d \left ({a}^{2}-2\,ab+{b}^{2} \right ) }\tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) }-2\,{\frac{\tan \left ( 1/2\,dx+c/2 \right ) }{{a}^{2}d \left ( 1+ \left ( \tan \left ( 1/2\,dx+c/2 \right ) \right ) ^{2} \right ) }}+4\,{\frac{b\arctan \left ( \tan \left ( 1/2\,dx+c/2 \right ) \right ) }{{a}^{3}d}}+2\,{\frac{{b}^{5}\tan \left ( 1/2\,dx+c/2 \right ) }{d \left ( a+b \right ) ^{2} \left ( a-b \right ) ^{2}{a}^{2} \left ( \left ( \tan \left ( 1/2\,dx+c/2 \right ) \right ) ^{2}a- \left ( \tan \left ( 1/2\,dx+c/2 \right ) \right ) ^{2}b-a-b \right ) }}+10\,{\frac{{b}^{4}}{d \left ( a+b \right ) ^{2} \left ( a-b \right ) ^{2}a\sqrt{ \left ( a+b \right ) \left ( a-b \right ) }}{\it Artanh} \left ({\frac{ \left ( a-b \right ) \tan \left ( 1/2\,dx+c/2 \right ) }{\sqrt{ \left ( a+b \right ) \left ( a-b \right ) }}} \right ) }-4\,{\frac{{b}^{6}}{d \left ( a+b \right ) ^{2} \left ( a-b \right ) ^{2}{a}^{3}\sqrt{ \left ( a+b \right ) \left ( a-b \right ) }}{\it Artanh} \left ({\frac{ \left ( a-b \right ) \tan \left ( 1/2\,dx+c/2 \right ) }{\sqrt{ \left ( a+b \right ) \left ( a-b \right ) }}} \right ) }-{\frac{1}{2\,d \left ( a+b \right ) ^{2}} \left ( \tan \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) \right ) ^{-1}} \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 [A] time = 0.70098, size = 1839, normalized size = 7.57 \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 [B] time = 1.29026, size = 639, normalized size = 2.63 \begin{align*} -\frac{\frac{4 \,{\left (5 \, a^{2} b^{4} - 2 \, 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^{7} - 2 \, a^{5} b^{2} + a^{3} b^{4}\right )} \sqrt{-a^{2} + b^{2}}} + \frac{\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )}{a^{2} - 2 \, a b + b^{2}} + \frac{5 \, a^{5} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{4} - 7 \, a^{4} b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{4} - 5 \, a^{3} b^{2} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{4} + 7 \, a^{2} b^{3} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{4} + 4 \, a b^{4} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{4} - 8 \, b^{5} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{4} - 4 \, a^{5} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - 6 \, a^{4} b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + 12 \, a^{3} b^{2} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + 6 \, a^{2} b^{3} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - 4 \, a b^{4} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - 8 \, b^{5} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} - a^{5} + a^{4} b + a^{3} b^{2} - a^{2} b^{3}}{{\left (a^{6} - 2 \, a^{4} b^{2} + a^{2} b^{4}\right )}{\left (a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{5} - b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{5} - 2 \, b \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{3} - 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 )\right )}} - \frac{4 \,{\left (d x + c\right )} b}{a^{3}}}{2 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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