Integrand size = 21, antiderivative size = 77 \[ \int \frac {\cos ^3(c+d x)}{(a+b \sin (c+d x))^8} \, dx=\frac {a^2-b^2}{7 b^3 d (a+b \sin (c+d x))^7}-\frac {a}{3 b^3 d (a+b \sin (c+d x))^6}+\frac {1}{5 b^3 d (a+b \sin (c+d x))^5} \]
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Time = 0.05 (sec) , antiderivative size = 77, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {2747, 711} \[ \int \frac {\cos ^3(c+d x)}{(a+b \sin (c+d x))^8} \, dx=\frac {a^2-b^2}{7 b^3 d (a+b \sin (c+d x))^7}-\frac {a}{3 b^3 d (a+b \sin (c+d x))^6}+\frac {1}{5 b^3 d (a+b \sin (c+d x))^5} \]
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Rule 711
Rule 2747
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {b^2-x^2}{(a+x)^8} \, dx,x,b \sin (c+d x)\right )}{b^3 d} \\ & = \frac {\text {Subst}\left (\int \left (\frac {-a^2+b^2}{(a+x)^8}+\frac {2 a}{(a+x)^7}-\frac {1}{(a+x)^6}\right ) \, dx,x,b \sin (c+d x)\right )}{b^3 d} \\ & = \frac {a^2-b^2}{7 b^3 d (a+b \sin (c+d x))^7}-\frac {a}{3 b^3 d (a+b \sin (c+d x))^6}+\frac {1}{5 b^3 d (a+b \sin (c+d x))^5} \\ \end{align*}
Time = 0.12 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.70 \[ \int \frac {\cos ^3(c+d x)}{(a+b \sin (c+d x))^8} \, dx=\frac {a^2-15 b^2+7 a b \sin (c+d x)+21 b^2 \sin ^2(c+d x)}{105 b^3 d (a+b \sin (c+d x))^7} \]
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Time = 7.59 (sec) , antiderivative size = 67, normalized size of antiderivative = 0.87
method | result | size |
derivativedivides | \(\frac {\frac {1}{5 b^{3} \left (a +b \sin \left (d x +c \right )\right )^{5}}-\frac {a}{3 b^{3} \left (a +b \sin \left (d x +c \right )\right )^{6}}-\frac {-a^{2}+b^{2}}{7 b^{3} \left (a +b \sin \left (d x +c \right )\right )^{7}}}{d}\) | \(67\) |
default | \(\frac {\frac {1}{5 b^{3} \left (a +b \sin \left (d x +c \right )\right )^{5}}-\frac {a}{3 b^{3} \left (a +b \sin \left (d x +c \right )\right )^{6}}-\frac {-a^{2}+b^{2}}{7 b^{3} \left (a +b \sin \left (d x +c \right )\right )^{7}}}{d}\) | \(67\) |
risch | \(\frac {32 i \left (14 i a b \,{\mathrm e}^{8 i \left (d x +c \right )}+21 b^{2} {\mathrm e}^{9 i \left (d x +c \right )}-14 i a b \,{\mathrm e}^{6 i \left (d x +c \right )}-4 a^{2} {\mathrm e}^{7 i \left (d x +c \right )}+18 b^{2} {\mathrm e}^{7 i \left (d x +c \right )}+21 b^{2} {\mathrm e}^{5 i \left (d x +c \right )}\right )}{105 \left (b \,{\mathrm e}^{2 i \left (d x +c \right )}-b +2 i a \,{\mathrm e}^{i \left (d x +c \right )}\right )^{7} d \,b^{3}}\) | \(125\) |
parallelrisch | \(\frac {\left (560 a^{6}-7980 a^{4} b^{2}-6279 a^{2} b^{4}-315 b^{6}\right ) \sin \left (3 d x +3 c \right )+\left (-8960 a^{5} b -16590 a^{3} b^{3}-3150 a \,b^{5}\right ) \cos \left (2 d x +2 c \right )+\left (-280 a^{5} b +4116 a^{3} b^{3}+1260 a \,b^{5}\right ) \cos \left (4 d x +4 c \right )+\left (-84 a^{4} b^{2}+1253 a^{2} b^{4}+105 b^{6}\right ) \sin \left (5 d x +5 c \right )+\left (14 a^{3} b^{3}-210 a \,b^{5}\right ) \cos \left (6 d x +6 c \right )+\left (a^{2} b^{4}-15 b^{6}\right ) \sin \left (7 d x +7 c \right )+\left (5040 a^{6}+24360 a^{4} b^{2}+12565 a^{2} b^{4}+525 b^{6}\right ) \sin \left (d x +c \right )+9240 a^{5} b +12460 a^{3} b^{3}+2100 a \,b^{5}}{6720 a^{7} d \left (a +b \sin \left (d x +c \right )\right )^{7}}\) | \(255\) |
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Leaf count of result is larger than twice the leaf count of optimal. 254 vs. \(2 (71) = 142\).
Time = 0.34 (sec) , antiderivative size = 254, normalized size of antiderivative = 3.30 \[ \int \frac {\cos ^3(c+d x)}{(a+b \sin (c+d x))^8} \, dx=\frac {21 \, b^{2} \cos \left (d x + c\right )^{2} - 7 \, a b \sin \left (d x + c\right ) - a^{2} - 6 \, b^{2}}{105 \, {\left (7 \, a b^{9} d \cos \left (d x + c\right )^{6} - 7 \, {\left (5 \, a^{3} b^{7} + 3 \, a b^{9}\right )} d \cos \left (d x + c\right )^{4} + 7 \, {\left (3 \, a^{5} b^{5} + 10 \, a^{3} b^{7} + 3 \, a b^{9}\right )} d \cos \left (d x + c\right )^{2} - {\left (a^{7} b^{3} + 21 \, a^{5} b^{5} + 35 \, a^{3} b^{7} + 7 \, a b^{9}\right )} d + {\left (b^{10} d \cos \left (d x + c\right )^{6} - 3 \, {\left (7 \, a^{2} b^{8} + b^{10}\right )} d \cos \left (d x + c\right )^{4} + {\left (35 \, a^{4} b^{6} + 42 \, a^{2} b^{8} + 3 \, b^{10}\right )} d \cos \left (d x + c\right )^{2} - {\left (7 \, a^{6} b^{4} + 35 \, a^{4} b^{6} + 21 \, a^{2} b^{8} + b^{10}\right )} d\right )} \sin \left (d x + c\right )\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 636 vs. \(2 (66) = 132\).
Time = 9.61 (sec) , antiderivative size = 636, normalized size of antiderivative = 8.26 \[ \int \frac {\cos ^3(c+d x)}{(a+b \sin (c+d x))^8} \, dx=\begin {cases} \frac {x \cos ^{3}{\left (c \right )}}{a^{8}} & \text {for}\: b = 0 \wedge d = 0 \\\frac {\frac {2 \sin ^{3}{\left (c + d x \right )}}{3 d} + \frac {\sin {\left (c + d x \right )} \cos ^{2}{\left (c + d x \right )}}{d}}{a^{8}} & \text {for}\: b = 0 \\\frac {x \cos ^{3}{\left (c \right )}}{\left (a + b \sin {\left (c \right )}\right )^{8}} & \text {for}\: d = 0 \\\frac {a^{2}}{105 a^{7} b^{3} d + 735 a^{6} b^{4} d \sin {\left (c + d x \right )} + 2205 a^{5} b^{5} d \sin ^{2}{\left (c + d x \right )} + 3675 a^{4} b^{6} d \sin ^{3}{\left (c + d x \right )} + 3675 a^{3} b^{7} d \sin ^{4}{\left (c + d x \right )} + 2205 a^{2} b^{8} d \sin ^{5}{\left (c + d x \right )} + 735 a b^{9} d \sin ^{6}{\left (c + d x \right )} + 105 b^{10} d \sin ^{7}{\left (c + d x \right )}} + \frac {7 a b \sin {\left (c + d x \right )}}{105 a^{7} b^{3} d + 735 a^{6} b^{4} d \sin {\left (c + d x \right )} + 2205 a^{5} b^{5} d \sin ^{2}{\left (c + d x \right )} + 3675 a^{4} b^{6} d \sin ^{3}{\left (c + d x \right )} + 3675 a^{3} b^{7} d \sin ^{4}{\left (c + d x \right )} + 2205 a^{2} b^{8} d \sin ^{5}{\left (c + d x \right )} + 735 a b^{9} d \sin ^{6}{\left (c + d x \right )} + 105 b^{10} d \sin ^{7}{\left (c + d x \right )}} + \frac {6 b^{2} \sin ^{2}{\left (c + d x \right )}}{105 a^{7} b^{3} d + 735 a^{6} b^{4} d \sin {\left (c + d x \right )} + 2205 a^{5} b^{5} d \sin ^{2}{\left (c + d x \right )} + 3675 a^{4} b^{6} d \sin ^{3}{\left (c + d x \right )} + 3675 a^{3} b^{7} d \sin ^{4}{\left (c + d x \right )} + 2205 a^{2} b^{8} d \sin ^{5}{\left (c + d x \right )} + 735 a b^{9} d \sin ^{6}{\left (c + d x \right )} + 105 b^{10} d \sin ^{7}{\left (c + d x \right )}} - \frac {15 b^{2} \cos ^{2}{\left (c + d x \right )}}{105 a^{7} b^{3} d + 735 a^{6} b^{4} d \sin {\left (c + d x \right )} + 2205 a^{5} b^{5} d \sin ^{2}{\left (c + d x \right )} + 3675 a^{4} b^{6} d \sin ^{3}{\left (c + d x \right )} + 3675 a^{3} b^{7} d \sin ^{4}{\left (c + d x \right )} + 2205 a^{2} b^{8} d \sin ^{5}{\left (c + d x \right )} + 735 a b^{9} d \sin ^{6}{\left (c + d x \right )} + 105 b^{10} d \sin ^{7}{\left (c + d x \right )}} & \text {otherwise} \end {cases} \]
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Leaf count of result is larger than twice the leaf count of optimal. 151 vs. \(2 (71) = 142\).
Time = 0.20 (sec) , antiderivative size = 151, normalized size of antiderivative = 1.96 \[ \int \frac {\cos ^3(c+d x)}{(a+b \sin (c+d x))^8} \, dx=\frac {21 \, b^{2} \sin \left (d x + c\right )^{2} + 7 \, a b \sin \left (d x + c\right ) + a^{2} - 15 \, b^{2}}{105 \, {\left (b^{10} \sin \left (d x + c\right )^{7} + 7 \, a b^{9} \sin \left (d x + c\right )^{6} + 21 \, a^{2} b^{8} \sin \left (d x + c\right )^{5} + 35 \, a^{3} b^{7} \sin \left (d x + c\right )^{4} + 35 \, a^{4} b^{6} \sin \left (d x + c\right )^{3} + 21 \, a^{5} b^{5} \sin \left (d x + c\right )^{2} + 7 \, a^{6} b^{4} \sin \left (d x + c\right ) + a^{7} b^{3}\right )} d} \]
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Time = 0.49 (sec) , antiderivative size = 52, normalized size of antiderivative = 0.68 \[ \int \frac {\cos ^3(c+d x)}{(a+b \sin (c+d x))^8} \, dx=\frac {21 \, b^{2} \sin \left (d x + c\right )^{2} + 7 \, a b \sin \left (d x + c\right ) + a^{2} - 15 \, b^{2}}{105 \, {\left (b \sin \left (d x + c\right ) + a\right )}^{7} b^{3} d} \]
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Time = 4.74 (sec) , antiderivative size = 152, normalized size of antiderivative = 1.97 \[ \int \frac {\cos ^3(c+d x)}{(a+b \sin (c+d x))^8} \, dx=\frac {\frac {a^2-15\,b^2}{105\,b^3}+\frac {{\sin \left (c+d\,x\right )}^2}{5\,b}+\frac {a\,\sin \left (c+d\,x\right )}{15\,b^2}}{d\,\left (a^7+7\,a^6\,b\,\sin \left (c+d\,x\right )+21\,a^5\,b^2\,{\sin \left (c+d\,x\right )}^2+35\,a^4\,b^3\,{\sin \left (c+d\,x\right )}^3+35\,a^3\,b^4\,{\sin \left (c+d\,x\right )}^4+21\,a^2\,b^5\,{\sin \left (c+d\,x\right )}^5+7\,a\,b^6\,{\sin \left (c+d\,x\right )}^6+b^7\,{\sin \left (c+d\,x\right )}^7\right )} \]
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