Optimal. Leaf size=264 \[ -\frac{a^2 b}{3 d \left (a^2+b^2\right )^2 (a+b \tan (c+d x))^3}-\frac{a b \left (a^2-b^2\right )}{d \left (a^2+b^2\right )^3 (a+b \tan (c+d x))^2}-\frac{b \left (-8 a^2 b^2+3 a^4+b^4\right )}{d \left (a^2+b^2\right )^4 (a+b \tan (c+d x))}-\frac{\cos ^2(c+d x) \left (\left (-6 a^2 b^2+a^4+b^4\right ) \tan (c+d x)+4 a b \left (a^2-b^2\right )\right )}{2 d \left (a^2+b^2\right )^4}+\frac{4 a b \left (-5 a^2 b^2+a^4+2 b^4\right ) \log (a \cos (c+d x)+b \sin (c+d x))}{d \left (a^2+b^2\right )^5}+\frac{x \left (-25 a^4 b^2+35 a^2 b^4+a^6-3 b^6\right )}{2 \left (a^2+b^2\right )^5} \]
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Rubi [A] time = 0.570884, antiderivative size = 264, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 6, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.286, Rules used = {3516, 1647, 1629, 635, 203, 260} \[ -\frac{a^2 b}{3 d \left (a^2+b^2\right )^2 (a+b \tan (c+d x))^3}-\frac{a b \left (a^2-b^2\right )}{d \left (a^2+b^2\right )^3 (a+b \tan (c+d x))^2}-\frac{b \left (-8 a^2 b^2+3 a^4+b^4\right )}{d \left (a^2+b^2\right )^4 (a+b \tan (c+d x))}-\frac{\cos ^2(c+d x) \left (\left (-6 a^2 b^2+a^4+b^4\right ) \tan (c+d x)+4 a b \left (a^2-b^2\right )\right )}{2 d \left (a^2+b^2\right )^4}+\frac{4 a b \left (-5 a^2 b^2+a^4+2 b^4\right ) \log (a \cos (c+d x)+b \sin (c+d x))}{d \left (a^2+b^2\right )^5}+\frac{x \left (-25 a^4 b^2+35 a^2 b^4+a^6-3 b^6\right )}{2 \left (a^2+b^2\right )^5} \]
Antiderivative was successfully verified.
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Rule 3516
Rule 1647
Rule 1629
Rule 635
Rule 203
Rule 260
Rubi steps
\begin{align*} \int \frac{\sin ^2(c+d x)}{(a+b \tan (c+d x))^4} \, dx &=\frac{b \operatorname{Subst}\left (\int \frac{x^2}{(a+x)^4 \left (b^2+x^2\right )^2} \, dx,x,b \tan (c+d x)\right )}{d}\\ &=-\frac{\cos ^2(c+d x) \left (4 a b \left (a^2-b^2\right )+\left (a^4-6 a^2 b^2+b^4\right ) \tan (c+d x)\right )}{2 \left (a^2+b^2\right )^4 d}-\frac{\operatorname{Subst}\left (\int \frac{-\frac{a^4 b^2 \left (a^4-6 a^2 b^2+b^4\right )}{\left (a^2+b^2\right )^4}+\frac{4 a^3 b^2 \left (a^4+4 a^2 b^2-b^4\right ) x}{\left (a^2+b^2\right )^4}+\frac{2 b^2 \left (3 a^4-6 a^2 b^2-b^4\right ) x^2}{\left (a^2+b^2\right )^3}+\frac{4 a b^2 \left (a^4-4 a^2 b^2-b^4\right ) x^3}{\left (a^2+b^2\right )^4}+\frac{b^2 \left (a^4-6 a^2 b^2+b^4\right ) x^4}{\left (a^2+b^2\right )^4}}{(a+x)^4 \left (b^2+x^2\right )} \, dx,x,b \tan (c+d x)\right )}{2 b d}\\ &=-\frac{\cos ^2(c+d x) \left (4 a b \left (a^2-b^2\right )+\left (a^4-6 a^2 b^2+b^4\right ) \tan (c+d x)\right )}{2 \left (a^2+b^2\right )^4 d}-\frac{\operatorname{Subst}\left (\int \left (-\frac{2 a^2 b^2}{\left (a^2+b^2\right )^2 (a+x)^4}+\frac{4 a b^2 \left (-a^2+b^2\right )}{\left (a^2+b^2\right )^3 (a+x)^3}-\frac{2 \left (3 a^4 b^2-8 a^2 b^4+b^6\right )}{\left (a^2+b^2\right )^4 (a+x)^2}-\frac{8 a b^2 \left (a^4-5 a^2 b^2+2 b^4\right )}{\left (a^2+b^2\right )^5 (a+x)}+\frac{b^2 \left (-a^6+25 a^4 b^2-35 a^2 b^4+3 b^6+8 a \left (a^4-5 a^2 b^2+2 b^4\right ) x\right )}{\left (a^2+b^2\right )^5 \left (b^2+x^2\right )}\right ) \, dx,x,b \tan (c+d x)\right )}{2 b d}\\ &=\frac{4 a b \left (a^4-5 a^2 b^2+2 b^4\right ) \log (a+b \tan (c+d x))}{\left (a^2+b^2\right )^5 d}-\frac{a^2 b}{3 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^3}-\frac{a b \left (a^2-b^2\right )}{\left (a^2+b^2\right )^3 d (a+b \tan (c+d x))^2}-\frac{b \left (3 a^4-8 a^2 b^2+b^4\right )}{\left (a^2+b^2\right )^4 d (a+b \tan (c+d x))}-\frac{\cos ^2(c+d x) \left (4 a b \left (a^2-b^2\right )+\left (a^4-6 a^2 b^2+b^4\right ) \tan (c+d x)\right )}{2 \left (a^2+b^2\right )^4 d}-\frac{b \operatorname{Subst}\left (\int \frac{-a^6+25 a^4 b^2-35 a^2 b^4+3 b^6+8 a \left (a^4-5 a^2 b^2+2 b^4\right ) x}{b^2+x^2} \, dx,x,b \tan (c+d x)\right )}{2 \left (a^2+b^2\right )^5 d}\\ &=\frac{4 a b \left (a^4-5 a^2 b^2+2 b^4\right ) \log (a+b \tan (c+d x))}{\left (a^2+b^2\right )^5 d}-\frac{a^2 b}{3 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^3}-\frac{a b \left (a^2-b^2\right )}{\left (a^2+b^2\right )^3 d (a+b \tan (c+d x))^2}-\frac{b \left (3 a^4-8 a^2 b^2+b^4\right )}{\left (a^2+b^2\right )^4 d (a+b \tan (c+d x))}-\frac{\cos ^2(c+d x) \left (4 a b \left (a^2-b^2\right )+\left (a^4-6 a^2 b^2+b^4\right ) \tan (c+d x)\right )}{2 \left (a^2+b^2\right )^4 d}-\frac{\left (4 a b \left (a^4-5 a^2 b^2+2 b^4\right )\right ) \operatorname{Subst}\left (\int \frac{x}{b^2+x^2} \, dx,x,b \tan (c+d x)\right )}{\left (a^2+b^2\right )^5 d}+\frac{\left (b \left (a^6-25 a^4 b^2+35 a^2 b^4-3 b^6\right )\right ) \operatorname{Subst}\left (\int \frac{1}{b^2+x^2} \, dx,x,b \tan (c+d x)\right )}{2 \left (a^2+b^2\right )^5 d}\\ &=\frac{\left (a^6-25 a^4 b^2+35 a^2 b^4-3 b^6\right ) x}{2 \left (a^2+b^2\right )^5}+\frac{4 a b \left (a^4-5 a^2 b^2+2 b^4\right ) \log (\cos (c+d x))}{\left (a^2+b^2\right )^5 d}+\frac{4 a b \left (a^4-5 a^2 b^2+2 b^4\right ) \log (a+b \tan (c+d x))}{\left (a^2+b^2\right )^5 d}-\frac{a^2 b}{3 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^3}-\frac{a b \left (a^2-b^2\right )}{\left (a^2+b^2\right )^3 d (a+b \tan (c+d x))^2}-\frac{b \left (3 a^4-8 a^2 b^2+b^4\right )}{\left (a^2+b^2\right )^4 d (a+b \tan (c+d x))}-\frac{\cos ^2(c+d x) \left (4 a b \left (a^2-b^2\right )+\left (a^4-6 a^2 b^2+b^4\right ) \tan (c+d x)\right )}{2 \left (a^2+b^2\right )^4 d}\\ \end{align*}
Mathematica [A] time = 3.59427, size = 395, normalized size = 1.5 \[ -\frac{b \left (\frac{3 \left (-6 a^2 b^2+a^4+b^4\right ) \left (a^2+b^2\right ) \sin (2 (c+d x))}{2 b}+12 a (a-b) (a+b) \left (a^2+b^2\right ) \cos ^2(c+d x)+\frac{3 \left (-6 a^2 b^2+a^4+b^4\right ) \left (a^2+b^2\right ) \tan ^{-1}(\tan (c+d x))}{b}+\frac{2 a^2 \left (a^2+b^2\right )^3}{(a+b \tan (c+d x))^3}+\frac{6 a (a-b) (a+b) \left (a^2+b^2\right )^2}{(a+b \tan (c+d x))^2}+\frac{6 \left (-8 a^2 b^2+3 a^4+b^4\right ) \left (a^2+b^2\right )}{a+b \tan (c+d x)}+3 \left (-20 a^3 b^2+\frac{15 a^4 b^2-15 a^2 b^4-a^6+b^6}{\sqrt{-b^2}}+4 a^5+8 a b^4\right ) \log \left (\sqrt{-b^2}-b \tan (c+d x)\right )-24 a \left (-5 a^2 b^2+a^4+2 b^4\right ) \log (a+b \tan (c+d x))+3 \left (-20 a^3 b^2+\frac{-15 a^4 b^2+15 a^2 b^4+a^6-b^6}{\sqrt{-b^2}}+4 a^5+8 a b^4\right ) \log \left (\sqrt{-b^2}+b \tan (c+d x)\right )\right )}{6 d \left (a^2+b^2\right )^5} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.12, size = 668, normalized size = 2.5 \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 [B] time = 1.71198, size = 894, normalized size = 3.39 \begin{align*} \frac{\frac{3 \,{\left (a^{6} - 25 \, a^{4} b^{2} + 35 \, a^{2} b^{4} - 3 \, b^{6}\right )}{\left (d x + c\right )}}{a^{10} + 5 \, a^{8} b^{2} + 10 \, a^{6} b^{4} + 10 \, a^{4} b^{6} + 5 \, a^{2} b^{8} + b^{10}} + \frac{24 \,{\left (a^{5} b - 5 \, a^{3} b^{3} + 2 \, a b^{5}\right )} \log \left (b \tan \left (d x + c\right ) + a\right )}{a^{10} + 5 \, a^{8} b^{2} + 10 \, a^{6} b^{4} + 10 \, a^{4} b^{6} + 5 \, a^{2} b^{8} + b^{10}} - \frac{12 \,{\left (a^{5} b - 5 \, a^{3} b^{3} + 2 \, a b^{5}\right )} \log \left (\tan \left (d x + c\right )^{2} + 1\right )}{a^{10} + 5 \, a^{8} b^{2} + 10 \, a^{6} b^{4} + 10 \, a^{4} b^{6} + 5 \, a^{2} b^{8} + b^{10}} - \frac{38 \, a^{6} b - 56 \, a^{4} b^{3} + 2 \, a^{2} b^{5} + 3 \,{\left (7 \, a^{4} b^{3} - 22 \, a^{2} b^{5} + 3 \, b^{7}\right )} \tan \left (d x + c\right )^{4} + 3 \,{\left (17 \, a^{5} b^{2} - 46 \, a^{3} b^{4} + a b^{6}\right )} \tan \left (d x + c\right )^{3} +{\left (35 \, a^{6} b - 44 \, a^{4} b^{3} - 73 \, a^{2} b^{5} + 6 \, b^{7}\right )} \tan \left (d x + c\right )^{2} + 3 \,{\left (a^{7} + 20 \, a^{5} b^{2} - 43 \, a^{3} b^{4} + 2 \, a b^{6}\right )} \tan \left (d x + c\right )}{a^{11} + 4 \, a^{9} b^{2} + 6 \, a^{7} b^{4} + 4 \, a^{5} b^{6} + a^{3} b^{8} +{\left (a^{8} b^{3} + 4 \, a^{6} b^{5} + 6 \, a^{4} b^{7} + 4 \, a^{2} b^{9} + b^{11}\right )} \tan \left (d x + c\right )^{5} + 3 \,{\left (a^{9} b^{2} + 4 \, a^{7} b^{4} + 6 \, a^{5} b^{6} + 4 \, a^{3} b^{8} + a b^{10}\right )} \tan \left (d x + c\right )^{4} +{\left (3 \, a^{10} b + 13 \, a^{8} b^{3} + 22 \, a^{6} b^{5} + 18 \, a^{4} b^{7} + 7 \, a^{2} b^{9} + b^{11}\right )} \tan \left (d x + c\right )^{3} +{\left (a^{11} + 7 \, a^{9} b^{2} + 18 \, a^{7} b^{4} + 22 \, a^{5} b^{6} + 13 \, a^{3} b^{8} + 3 \, a b^{10}\right )} \tan \left (d x + c\right )^{2} + 3 \,{\left (a^{10} b + 4 \, a^{8} b^{3} + 6 \, a^{6} b^{5} + 4 \, a^{4} b^{7} + a^{2} b^{9}\right )} \tan \left (d x + c\right )}}{6 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 3.00205, size = 1789, normalized size = 6.78 \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 = 1.32387, size = 867, normalized size = 3.28 \begin{align*} \frac{\frac{3 \,{\left (a^{6} - 25 \, a^{4} b^{2} + 35 \, a^{2} b^{4} - 3 \, b^{6}\right )}{\left (d x + c\right )}}{a^{10} + 5 \, a^{8} b^{2} + 10 \, a^{6} b^{4} + 10 \, a^{4} b^{6} + 5 \, a^{2} b^{8} + b^{10}} - \frac{12 \,{\left (a^{5} b - 5 \, a^{3} b^{3} + 2 \, a b^{5}\right )} \log \left (\tan \left (d x + c\right )^{2} + 1\right )}{a^{10} + 5 \, a^{8} b^{2} + 10 \, a^{6} b^{4} + 10 \, a^{4} b^{6} + 5 \, a^{2} b^{8} + b^{10}} + \frac{24 \,{\left (a^{5} b^{2} - 5 \, a^{3} b^{4} + 2 \, a b^{6}\right )} \log \left ({\left | b \tan \left (d x + c\right ) + a \right |}\right )}{a^{10} b + 5 \, a^{8} b^{3} + 10 \, a^{6} b^{5} + 10 \, a^{4} b^{7} + 5 \, a^{2} b^{9} + b^{11}} + \frac{3 \,{\left (4 \, a^{5} b \tan \left (d x + c\right )^{2} - 20 \, a^{3} b^{3} \tan \left (d x + c\right )^{2} + 8 \, a b^{5} \tan \left (d x + c\right )^{2} - a^{6} \tan \left (d x + c\right ) + 5 \, a^{4} b^{2} \tan \left (d x + c\right ) + 5 \, a^{2} b^{4} \tan \left (d x + c\right ) - b^{6} \tan \left (d x + c\right ) - 20 \, a^{3} b^{3} + 12 \, a b^{5}\right )}}{{\left (a^{10} + 5 \, a^{8} b^{2} + 10 \, a^{6} b^{4} + 10 \, a^{4} b^{6} + 5 \, a^{2} b^{8} + b^{10}\right )}{\left (\tan \left (d x + c\right )^{2} + 1\right )}} - \frac{2 \,{\left (22 \, a^{5} b^{4} \tan \left (d x + c\right )^{3} - 110 \, a^{3} b^{6} \tan \left (d x + c\right )^{3} + 44 \, a b^{8} \tan \left (d x + c\right )^{3} + 75 \, a^{6} b^{3} \tan \left (d x + c\right )^{2} - 345 \, a^{4} b^{5} \tan \left (d x + c\right )^{2} + 111 \, a^{2} b^{7} \tan \left (d x + c\right )^{2} + 3 \, b^{9} \tan \left (d x + c\right )^{2} + 87 \, a^{7} b^{2} \tan \left (d x + c\right ) - 357 \, a^{5} b^{4} \tan \left (d x + c\right ) + 87 \, a^{3} b^{6} \tan \left (d x + c\right ) + 3 \, a b^{8} \tan \left (d x + c\right ) + 35 \, a^{8} b - 119 \, a^{6} b^{3} + 23 \, a^{4} b^{5} + a^{2} b^{7}\right )}}{{\left (a^{10} + 5 \, a^{8} b^{2} + 10 \, a^{6} b^{4} + 10 \, a^{4} b^{6} + 5 \, a^{2} b^{8} + b^{10}\right )}{\left (b \tan \left (d x + c\right ) + a\right )}^{3}}}{6 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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