Optimal. Leaf size=284 \[ \frac{7 b^6 \left (5 a^2+b^2\right ) \sin ^5(c+d x)}{10 d}+\frac{3 a b^5 \left (7 a^2+4 b^2\right ) \sin ^4(c+d x)}{2 d}+\frac{7 b^4 \left (20 a^2 b^2+15 a^4+b^4\right ) \sin ^3(c+d x)}{6 d}+\frac{a b^3 \left (112 a^2 b^2+35 a^4+24 b^4\right ) \sin ^2(c+d x)}{2 d}+\frac{7 b^2 \left (30 a^4 b^2+20 a^2 b^4+3 a^6+b^6\right ) \sin (c+d x)}{2 d}+\frac{a b^7 \sin ^6(c+d x)}{2 d}+\frac{(a+7 b) (a-b)^7 \log (\sin (c+d x)+1)}{4 d}-\frac{(a-7 b) (a+b)^7 \log (1-\sin (c+d x))}{4 d}+\frac{\sec ^2(c+d x) (a \sin (c+d x)+b) (a+b \sin (c+d x))^7}{2 d} \]
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Rubi [A] time = 0.242127, antiderivative size = 284, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 5, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.238, Rules used = {2668, 739, 801, 633, 31} \[ \frac{7 b^6 \left (5 a^2+b^2\right ) \sin ^5(c+d x)}{10 d}+\frac{3 a b^5 \left (7 a^2+4 b^2\right ) \sin ^4(c+d x)}{2 d}+\frac{7 b^4 \left (20 a^2 b^2+15 a^4+b^4\right ) \sin ^3(c+d x)}{6 d}+\frac{a b^3 \left (112 a^2 b^2+35 a^4+24 b^4\right ) \sin ^2(c+d x)}{2 d}+\frac{7 b^2 \left (30 a^4 b^2+20 a^2 b^4+3 a^6+b^6\right ) \sin (c+d x)}{2 d}+\frac{a b^7 \sin ^6(c+d x)}{2 d}+\frac{(a+7 b) (a-b)^7 \log (\sin (c+d x)+1)}{4 d}-\frac{(a-7 b) (a+b)^7 \log (1-\sin (c+d x))}{4 d}+\frac{\sec ^2(c+d x) (a \sin (c+d x)+b) (a+b \sin (c+d x))^7}{2 d} \]
Antiderivative was successfully verified.
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Rule 2668
Rule 739
Rule 801
Rule 633
Rule 31
Rubi steps
\begin{align*} \int \sec ^3(c+d x) (a+b \sin (c+d x))^8 \, dx &=\frac{b^3 \operatorname{Subst}\left (\int \frac{(a+x)^8}{\left (b^2-x^2\right )^2} \, dx,x,b \sin (c+d x)\right )}{d}\\ &=\frac{\sec ^2(c+d x) (b+a \sin (c+d x)) (a+b \sin (c+d x))^7}{2 d}-\frac{b \operatorname{Subst}\left (\int \frac{(a+x)^6 \left (-a^2+7 b^2+6 a x\right )}{b^2-x^2} \, dx,x,b \sin (c+d x)\right )}{2 d}\\ &=\frac{\sec ^2(c+d x) (b+a \sin (c+d x)) (a+b \sin (c+d x))^7}{2 d}-\frac{b \operatorname{Subst}\left (\int \left (-7 \left (3 a^6+30 a^4 b^2+20 a^2 b^4+b^6\right )-2 a \left (35 a^4+112 a^2 b^2+24 b^4\right ) x-7 \left (15 a^4+20 a^2 b^2+b^4\right ) x^2-12 a \left (7 a^2+4 b^2\right ) x^3-7 \left (5 a^2+b^2\right ) x^4-6 a x^5-\frac{a^8-28 a^6 b^2-210 a^4 b^4-140 a^2 b^6-7 b^8-16 a b^2 \left (7 a^4+14 a^2 b^2+3 b^4\right ) x}{b^2-x^2}\right ) \, dx,x,b \sin (c+d x)\right )}{2 d}\\ &=\frac{7 b^2 \left (3 a^6+30 a^4 b^2+20 a^2 b^4+b^6\right ) \sin (c+d x)}{2 d}+\frac{a b^3 \left (35 a^4+112 a^2 b^2+24 b^4\right ) \sin ^2(c+d x)}{2 d}+\frac{7 b^4 \left (15 a^4+20 a^2 b^2+b^4\right ) \sin ^3(c+d x)}{6 d}+\frac{3 a b^5 \left (7 a^2+4 b^2\right ) \sin ^4(c+d x)}{2 d}+\frac{7 b^6 \left (5 a^2+b^2\right ) \sin ^5(c+d x)}{10 d}+\frac{a b^7 \sin ^6(c+d x)}{2 d}+\frac{\sec ^2(c+d x) (b+a \sin (c+d x)) (a+b \sin (c+d x))^7}{2 d}+\frac{b \operatorname{Subst}\left (\int \frac{a^8-28 a^6 b^2-210 a^4 b^4-140 a^2 b^6-7 b^8-16 a b^2 \left (7 a^4+14 a^2 b^2+3 b^4\right ) x}{b^2-x^2} \, dx,x,b \sin (c+d x)\right )}{2 d}\\ &=\frac{7 b^2 \left (3 a^6+30 a^4 b^2+20 a^2 b^4+b^6\right ) \sin (c+d x)}{2 d}+\frac{a b^3 \left (35 a^4+112 a^2 b^2+24 b^4\right ) \sin ^2(c+d x)}{2 d}+\frac{7 b^4 \left (15 a^4+20 a^2 b^2+b^4\right ) \sin ^3(c+d x)}{6 d}+\frac{3 a b^5 \left (7 a^2+4 b^2\right ) \sin ^4(c+d x)}{2 d}+\frac{7 b^6 \left (5 a^2+b^2\right ) \sin ^5(c+d x)}{10 d}+\frac{a b^7 \sin ^6(c+d x)}{2 d}+\frac{\sec ^2(c+d x) (b+a \sin (c+d x)) (a+b \sin (c+d x))^7}{2 d}+\frac{\left ((a-7 b) (a+b)^7\right ) \operatorname{Subst}\left (\int \frac{1}{b-x} \, dx,x,b \sin (c+d x)\right )}{4 d}-\frac{\left ((a-b)^7 (a+7 b)\right ) \operatorname{Subst}\left (\int \frac{1}{-b-x} \, dx,x,b \sin (c+d x)\right )}{4 d}\\ &=-\frac{(a-7 b) (a+b)^7 \log (1-\sin (c+d x))}{4 d}+\frac{(a-b)^7 (a+7 b) \log (1+\sin (c+d x))}{4 d}+\frac{7 b^2 \left (3 a^6+30 a^4 b^2+20 a^2 b^4+b^6\right ) \sin (c+d x)}{2 d}+\frac{a b^3 \left (35 a^4+112 a^2 b^2+24 b^4\right ) \sin ^2(c+d x)}{2 d}+\frac{7 b^4 \left (15 a^4+20 a^2 b^2+b^4\right ) \sin ^3(c+d x)}{6 d}+\frac{3 a b^5 \left (7 a^2+4 b^2\right ) \sin ^4(c+d x)}{2 d}+\frac{7 b^6 \left (5 a^2+b^2\right ) \sin ^5(c+d x)}{10 d}+\frac{a b^7 \sin ^6(c+d x)}{2 d}+\frac{\sec ^2(c+d x) (b+a \sin (c+d x)) (a+b \sin (c+d x))^7}{2 d}\\ \end{align*}
Mathematica [A] time = 2.35673, size = 366, normalized size = 1.29 \[ \frac{b^9 \left (b^2-9 a^2\right ) \sin ^7(c+d x)-4 a b^8 \left (9 a^2-2 b^2\right ) \sin ^6(c+d x)+\frac{7}{5} b^7 \left (19 a^2 b^2-60 a^4+b^4\right ) \sin ^5(c+d x)-2 a b^6 \left (-22 a^2 b^2+63 a^4-6 b^4\right ) \sin ^4(c+d x)+\frac{7}{3} b^5 \left (10 a^4 b^2+19 a^2 b^4-54 a^6+b^6\right ) \sin ^3(c+d x)-4 a b^4 \left (14 a^4 b^2-22 a^2 b^4+21 a^6-6 b^6\right ) \sin ^2(c+d x)+b^3 \left (-182 a^6 b^2+70 a^4 b^4+133 a^2 b^6-36 a^8+7 b^8\right ) \sin (c+d x)+\frac{1}{2} b \left (a^2-b^2\right ) \left ((a-7 b) (a+b)^7 \log (1-\sin (c+d x))-(a-b)^7 (a+7 b) \log (\sin (c+d x)+1)\right )-a b^{10} \sin ^8(c+d x)+b \sec ^2(c+d x) (b-a \sin (c+d x)) (a+b \sin (c+d x))^9}{2 b d \left (b^2-a^2\right )} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.127, size = 645, normalized size = 2.3 \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 [A] time = 0.97204, size = 436, normalized size = 1.54 \begin{align*} \frac{12 \, b^{8} \sin \left (d x + c\right )^{5} + 120 \, a b^{7} \sin \left (d x + c\right )^{4} + 40 \,{\left (14 \, a^{2} b^{6} + b^{8}\right )} \sin \left (d x + c\right )^{3} + 240 \,{\left (7 \, a^{3} b^{5} + 2 \, a b^{7}\right )} \sin \left (d x + c\right )^{2} + 15 \,{\left (a^{8} - 28 \, a^{6} b^{2} + 112 \, a^{5} b^{3} - 210 \, a^{4} b^{4} + 224 \, a^{3} b^{5} - 140 \, a^{2} b^{6} + 48 \, a b^{7} - 7 \, b^{8}\right )} \log \left (\sin \left (d x + c\right ) + 1\right ) - 15 \,{\left (a^{8} - 28 \, a^{6} b^{2} - 112 \, a^{5} b^{3} - 210 \, a^{4} b^{4} - 224 \, a^{3} b^{5} - 140 \, a^{2} b^{6} - 48 \, a b^{7} - 7 \, b^{8}\right )} \log \left (\sin \left (d x + c\right ) - 1\right ) + 60 \,{\left (70 \, a^{4} b^{4} + 56 \, a^{2} b^{6} + 3 \, b^{8}\right )} \sin \left (d x + c\right ) - \frac{30 \,{\left (8 \, a^{7} b + 56 \, a^{5} b^{3} + 56 \, a^{3} b^{5} + 8 \, a b^{7} +{\left (a^{8} + 28 \, a^{6} b^{2} + 70 \, a^{4} b^{4} + 28 \, a^{2} b^{6} + b^{8}\right )} \sin \left (d x + c\right )\right )}}{\sin \left (d x + c\right )^{2} - 1}}{60 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 3.36943, size = 894, normalized size = 3.15 \begin{align*} \frac{120 \, a b^{7} \cos \left (d x + c\right )^{6} + 240 \, a^{7} b + 1680 \, a^{5} b^{3} + 1680 \, a^{3} b^{5} + 240 \, a b^{7} - 240 \,{\left (7 \, a^{3} b^{5} + 3 \, a b^{7}\right )} \cos \left (d x + c\right )^{4} + 15 \,{\left (a^{8} - 28 \, a^{6} b^{2} + 112 \, a^{5} b^{3} - 210 \, a^{4} b^{4} + 224 \, a^{3} b^{5} - 140 \, a^{2} b^{6} + 48 \, a b^{7} - 7 \, b^{8}\right )} \cos \left (d x + c\right )^{2} \log \left (\sin \left (d x + c\right ) + 1\right ) - 15 \,{\left (a^{8} - 28 \, a^{6} b^{2} - 112 \, a^{5} b^{3} - 210 \, a^{4} b^{4} - 224 \, a^{3} b^{5} - 140 \, a^{2} b^{6} - 48 \, a b^{7} - 7 \, b^{8}\right )} \cos \left (d x + c\right )^{2} \log \left (-\sin \left (d x + c\right ) + 1\right ) + 105 \,{\left (8 \, a^{3} b^{5} + 3 \, a b^{7}\right )} \cos \left (d x + c\right )^{2} + 2 \,{\left (6 \, b^{8} \cos \left (d x + c\right )^{6} + 15 \, a^{8} + 420 \, a^{6} b^{2} + 1050 \, a^{4} b^{4} + 420 \, a^{2} b^{6} + 15 \, b^{8} - 8 \,{\left (35 \, a^{2} b^{6} + 4 \, b^{8}\right )} \cos \left (d x + c\right )^{4} + 4 \,{\left (525 \, a^{4} b^{4} + 490 \, a^{2} b^{6} + 29 \, b^{8}\right )} \cos \left (d x + c\right )^{2}\right )} \sin \left (d x + c\right )}{60 \, d \cos \left (d x + c\right )^{2}} \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 = 1.19351, size = 551, normalized size = 1.94 \begin{align*} \frac{12 \, b^{8} \sin \left (d x + c\right )^{5} + 120 \, a b^{7} \sin \left (d x + c\right )^{4} + 560 \, a^{2} b^{6} \sin \left (d x + c\right )^{3} + 40 \, b^{8} \sin \left (d x + c\right )^{3} + 1680 \, a^{3} b^{5} \sin \left (d x + c\right )^{2} + 480 \, a b^{7} \sin \left (d x + c\right )^{2} + 4200 \, a^{4} b^{4} \sin \left (d x + c\right ) + 3360 \, a^{2} b^{6} \sin \left (d x + c\right ) + 180 \, b^{8} \sin \left (d x + c\right ) + 15 \,{\left (a^{8} - 28 \, a^{6} b^{2} + 112 \, a^{5} b^{3} - 210 \, a^{4} b^{4} + 224 \, a^{3} b^{5} - 140 \, a^{2} b^{6} + 48 \, a b^{7} - 7 \, b^{8}\right )} \log \left ({\left | \sin \left (d x + c\right ) + 1 \right |}\right ) - 15 \,{\left (a^{8} - 28 \, a^{6} b^{2} - 112 \, a^{5} b^{3} - 210 \, a^{4} b^{4} - 224 \, a^{3} b^{5} - 140 \, a^{2} b^{6} - 48 \, a b^{7} - 7 \, b^{8}\right )} \log \left ({\left | \sin \left (d x + c\right ) - 1 \right |}\right ) - \frac{30 \,{\left (56 \, a^{5} b^{3} \sin \left (d x + c\right )^{2} + 112 \, a^{3} b^{5} \sin \left (d x + c\right )^{2} + 24 \, a b^{7} \sin \left (d x + c\right )^{2} + a^{8} \sin \left (d x + c\right ) + 28 \, a^{6} b^{2} \sin \left (d x + c\right ) + 70 \, a^{4} b^{4} \sin \left (d x + c\right ) + 28 \, a^{2} b^{6} \sin \left (d x + c\right ) + b^{8} \sin \left (d x + c\right ) + 8 \, a^{7} b - 56 \, a^{3} b^{5} - 16 \, a b^{7}\right )}}{\sin \left (d x + c\right )^{2} - 1}}{60 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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