Integrand size = 21, antiderivative size = 22 \[ \int \frac {\cos (c+d x)}{\sqrt {a+b \sin (c+d x)}} \, dx=\frac {2 \sqrt {a+b \sin (c+d x)}}{b d} \]
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Time = 0.02 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {2747, 32} \[ \int \frac {\cos (c+d x)}{\sqrt {a+b \sin (c+d x)}} \, dx=\frac {2 \sqrt {a+b \sin (c+d x)}}{b d} \]
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Rule 32
Rule 2747
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {1}{\sqrt {a+x}} \, dx,x,b \sin (c+d x)\right )}{b d} \\ & = \frac {2 \sqrt {a+b \sin (c+d x)}}{b d} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int \frac {\cos (c+d x)}{\sqrt {a+b \sin (c+d x)}} \, dx=\frac {2 \sqrt {a+b \sin (c+d x)}}{b d} \]
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Time = 0.19 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95
method | result | size |
derivativedivides | \(\frac {2 \sqrt {a +b \sin \left (d x +c \right )}}{b d}\) | \(21\) |
default | \(\frac {2 \sqrt {a +b \sin \left (d x +c \right )}}{b d}\) | \(21\) |
risch | \(-\frac {i \sqrt {2}\, \left (2 i a +2 i b \sin \left (d x +c \right )\right )}{\sqrt {2 b \sin \left (d x +c \right )+2 a}\, d b}\) | \(43\) |
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Time = 0.30 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {\cos (c+d x)}{\sqrt {a+b \sin (c+d x)}} \, dx=\frac {2 \, \sqrt {b \sin \left (d x + c\right ) + a}}{b d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 54 vs. \(2 (17) = 34\).
Time = 0.34 (sec) , antiderivative size = 54, normalized size of antiderivative = 2.45 \[ \int \frac {\cos (c+d x)}{\sqrt {a+b \sin (c+d x)}} \, dx=\begin {cases} \frac {x \cos {\left (c \right )}}{\sqrt {a}} & \text {for}\: b = 0 \wedge d = 0 \\\frac {\sin {\left (c + d x \right )}}{\sqrt {a} d} & \text {for}\: b = 0 \\\frac {x \cos {\left (c \right )}}{\sqrt {a + b \sin {\left (c \right )}}} & \text {for}\: d = 0 \\\frac {2 \sqrt {a + b \sin {\left (c + d x \right )}}}{b d} & \text {otherwise} \end {cases} \]
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Time = 0.26 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {\cos (c+d x)}{\sqrt {a+b \sin (c+d x)}} \, dx=\frac {2 \, \sqrt {b \sin \left (d x + c\right ) + a}}{b d} \]
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Time = 0.37 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {\cos (c+d x)}{\sqrt {a+b \sin (c+d x)}} \, dx=\frac {2 \, \sqrt {b \sin \left (d x + c\right ) + a}}{b d} \]
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Time = 5.56 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {\cos (c+d x)}{\sqrt {a+b \sin (c+d x)}} \, dx=\frac {2\,\sqrt {a+b\,\sin \left (c+d\,x\right )}}{b\,d} \]
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