Integrand size = 23, antiderivative size = 83 \[ \int \cos ^3(c+d x) \sqrt {a+b \sin (c+d x)} \, dx=-\frac {2 \left (a^2-b^2\right ) (a+b \sin (c+d x))^{3/2}}{3 b^3 d}+\frac {4 a (a+b \sin (c+d x))^{5/2}}{5 b^3 d}-\frac {2 (a+b \sin (c+d x))^{7/2}}{7 b^3 d} \]
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Time = 0.06 (sec) , antiderivative size = 83, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.087, Rules used = {2747, 711} \[ \int \cos ^3(c+d x) \sqrt {a+b \sin (c+d x)} \, dx=-\frac {2 \left (a^2-b^2\right ) (a+b \sin (c+d x))^{3/2}}{3 b^3 d}-\frac {2 (a+b \sin (c+d x))^{7/2}}{7 b^3 d}+\frac {4 a (a+b \sin (c+d x))^{5/2}}{5 b^3 d} \]
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Rule 711
Rule 2747
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \sqrt {a+x} \left (b^2-x^2\right ) \, dx,x,b \sin (c+d x)\right )}{b^3 d} \\ & = \frac {\text {Subst}\left (\int \left (\left (-a^2+b^2\right ) \sqrt {a+x}+2 a (a+x)^{3/2}-(a+x)^{5/2}\right ) \, dx,x,b \sin (c+d x)\right )}{b^3 d} \\ & = -\frac {2 \left (a^2-b^2\right ) (a+b \sin (c+d x))^{3/2}}{3 b^3 d}+\frac {4 a (a+b \sin (c+d x))^{5/2}}{5 b^3 d}-\frac {2 (a+b \sin (c+d x))^{7/2}}{7 b^3 d} \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 58, normalized size of antiderivative = 0.70 \[ \int \cos ^3(c+d x) \sqrt {a+b \sin (c+d x)} \, dx=\frac {(a+b \sin (c+d x))^{3/2} \left (-16 a^2+55 b^2+15 b^2 \cos (2 (c+d x))+24 a b \sin (c+d x)\right )}{105 b^3 d} \]
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Time = 0.40 (sec) , antiderivative size = 62, normalized size of antiderivative = 0.75
method | result | size |
derivativedivides | \(-\frac {2 \left (\frac {\left (a +b \sin \left (d x +c \right )\right )^{\frac {7}{2}}}{7}-\frac {2 a \left (a +b \sin \left (d x +c \right )\right )^{\frac {5}{2}}}{5}+\frac {\left (a^{2}-b^{2}\right ) \left (a +b \sin \left (d x +c \right )\right )^{\frac {3}{2}}}{3}\right )}{d \,b^{3}}\) | \(62\) |
default | \(-\frac {2 \left (\frac {\left (a +b \sin \left (d x +c \right )\right )^{\frac {7}{2}}}{7}-\frac {2 a \left (a +b \sin \left (d x +c \right )\right )^{\frac {5}{2}}}{5}+\frac {\left (a^{2}-b^{2}\right ) \left (a +b \sin \left (d x +c \right )\right )^{\frac {3}{2}}}{3}\right )}{d \,b^{3}}\) | \(62\) |
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Time = 0.28 (sec) , antiderivative size = 78, normalized size of antiderivative = 0.94 \[ \int \cos ^3(c+d x) \sqrt {a+b \sin (c+d x)} \, dx=\frac {2 \, {\left (3 \, a b^{2} \cos \left (d x + c\right )^{2} - 8 \, a^{3} + 32 \, a b^{2} + {\left (15 \, b^{3} \cos \left (d x + c\right )^{2} + 4 \, a^{2} b + 20 \, b^{3}\right )} \sin \left (d x + c\right )\right )} \sqrt {b \sin \left (d x + c\right ) + a}}{105 \, b^{3} d} \]
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Timed out. \[ \int \cos ^3(c+d x) \sqrt {a+b \sin (c+d x)} \, dx=\text {Timed out} \]
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Time = 0.18 (sec) , antiderivative size = 61, normalized size of antiderivative = 0.73 \[ \int \cos ^3(c+d x) \sqrt {a+b \sin (c+d x)} \, dx=-\frac {2 \, {\left (15 \, {\left (b \sin \left (d x + c\right ) + a\right )}^{\frac {7}{2}} - 42 \, {\left (b \sin \left (d x + c\right ) + a\right )}^{\frac {5}{2}} a + 35 \, {\left (a^{2} - b^{2}\right )} {\left (b \sin \left (d x + c\right ) + a\right )}^{\frac {3}{2}}\right )}}{105 \, b^{3} d} \]
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Time = 0.30 (sec) , antiderivative size = 72, normalized size of antiderivative = 0.87 \[ \int \cos ^3(c+d x) \sqrt {a+b \sin (c+d x)} \, dx=-\frac {2 \, {\left (15 \, {\left (b \sin \left (d x + c\right ) + a\right )}^{\frac {7}{2}} - 42 \, {\left (b \sin \left (d x + c\right ) + a\right )}^{\frac {5}{2}} a + 35 \, {\left (b \sin \left (d x + c\right ) + a\right )}^{\frac {3}{2}} a^{2} - 35 \, {\left (b \sin \left (d x + c\right ) + a\right )}^{\frac {3}{2}} b^{2}\right )}}{105 \, b^{3} d} \]
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Timed out. \[ \int \cos ^3(c+d x) \sqrt {a+b \sin (c+d x)} \, dx=\int {\cos \left (c+d\,x\right )}^3\,\sqrt {a+b\,\sin \left (c+d\,x\right )} \,d x \]
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