Integrand size = 23, antiderivative size = 47 \[ \int \frac {\cos ^3(c+d x)}{(a+a \sin (c+d x))^{3/2}} \, dx=\frac {4 \sqrt {a+a \sin (c+d x)}}{a^2 d}-\frac {2 (a+a \sin (c+d x))^{3/2}}{3 a^3 d} \]
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Time = 0.05 (sec) , antiderivative size = 47, 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 = {2746, 45} \[ \int \frac {\cos ^3(c+d x)}{(a+a \sin (c+d x))^{3/2}} \, dx=\frac {4 \sqrt {a \sin (c+d x)+a}}{a^2 d}-\frac {2 (a \sin (c+d x)+a)^{3/2}}{3 a^3 d} \]
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Rule 45
Rule 2746
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {a-x}{\sqrt {a+x}} \, dx,x,a \sin (c+d x)\right )}{a^3 d} \\ & = \frac {\text {Subst}\left (\int \left (\frac {2 a}{\sqrt {a+x}}-\sqrt {a+x}\right ) \, dx,x,a \sin (c+d x)\right )}{a^3 d} \\ & = \frac {4 \sqrt {a+a \sin (c+d x)}}{a^2 d}-\frac {2 (a+a \sin (c+d x))^{3/2}}{3 a^3 d} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.68 \[ \int \frac {\cos ^3(c+d x)}{(a+a \sin (c+d x))^{3/2}} \, dx=-\frac {2 (-5+\sin (c+d x)) \sqrt {a (1+\sin (c+d x))}}{3 a^2 d} \]
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Time = 0.49 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.83
method | result | size |
derivativedivides | \(-\frac {2 \left (\frac {\left (a +a \sin \left (d x +c \right )\right )^{\frac {3}{2}}}{3}-2 a \sqrt {a +a \sin \left (d x +c \right )}\right )}{d \,a^{3}}\) | \(39\) |
default | \(-\frac {2 \left (\frac {\left (a +a \sin \left (d x +c \right )\right )^{\frac {3}{2}}}{3}-2 a \sqrt {a +a \sin \left (d x +c \right )}\right )}{d \,a^{3}}\) | \(39\) |
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Time = 0.27 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.60 \[ \int \frac {\cos ^3(c+d x)}{(a+a \sin (c+d x))^{3/2}} \, dx=-\frac {2 \, \sqrt {a \sin \left (d x + c\right ) + a} {\left (\sin \left (d x + c\right ) - 5\right )}}{3 \, a^{2} d} \]
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Timed out. \[ \int \frac {\cos ^3(c+d x)}{(a+a \sin (c+d x))^{3/2}} \, dx=\text {Timed out} \]
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Time = 0.18 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.77 \[ \int \frac {\cos ^3(c+d x)}{(a+a \sin (c+d x))^{3/2}} \, dx=-\frac {2 \, {\left ({\left (a \sin \left (d x + c\right ) + a\right )}^{\frac {3}{2}} - 6 \, \sqrt {a \sin \left (d x + c\right ) + a} a\right )}}{3 \, a^{3} d} \]
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Time = 0.34 (sec) , antiderivative size = 65, normalized size of antiderivative = 1.38 \[ \int \frac {\cos ^3(c+d x)}{(a+a \sin (c+d x))^{3/2}} \, dx=-\frac {4 \, {\left (\sqrt {2} \sqrt {a} \cos \left (-\frac {1}{4} \, \pi + \frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 3 \, \sqrt {2} \sqrt {a} \cos \left (-\frac {1}{4} \, \pi + \frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right )}}{3 \, a^{2} d \mathrm {sgn}\left (\cos \left (-\frac {1}{4} \, \pi + \frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right )} \]
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Timed out. \[ \int \frac {\cos ^3(c+d x)}{(a+a \sin (c+d x))^{3/2}} \, dx=\int \frac {{\cos \left (c+d\,x\right )}^3}{{\left (a+a\,\sin \left (c+d\,x\right )\right )}^{3/2}} \,d x \]
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