Integrand size = 10, antiderivative size = 36 \[ \int \sqrt {a \sin ^4(x)} \, dx=-\frac {1}{2} \cot (x) \sqrt {a \sin ^4(x)}+\frac {1}{2} x \csc ^2(x) \sqrt {a \sin ^4(x)} \]
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Time = 0.01 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.300, Rules used = {3286, 2715, 8} \[ \int \sqrt {a \sin ^4(x)} \, dx=\frac {1}{2} x \csc ^2(x) \sqrt {a \sin ^4(x)}-\frac {1}{2} \cot (x) \sqrt {a \sin ^4(x)} \]
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Rule 8
Rule 2715
Rule 3286
Rubi steps \begin{align*} \text {integral}& = \left (\csc ^2(x) \sqrt {a \sin ^4(x)}\right ) \int \sin ^2(x) \, dx \\ & = -\frac {1}{2} \cot (x) \sqrt {a \sin ^4(x)}+\frac {1}{2} \left (\csc ^2(x) \sqrt {a \sin ^4(x)}\right ) \int 1 \, dx \\ & = -\frac {1}{2} \cot (x) \sqrt {a \sin ^4(x)}+\frac {1}{2} x \csc ^2(x) \sqrt {a \sin ^4(x)} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.69 \[ \int \sqrt {a \sin ^4(x)} \, dx=\frac {1}{2} \csc (x) (-\cos (x)+x \csc (x)) \sqrt {a \sin ^4(x)} \]
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Time = 0.60 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.67
method | result | size |
default | \(-\frac {\sqrt {a \left (\sin ^{4}\left (x \right )\right )}\, \left (\cot \left (x \right )-\left (\csc ^{2}\left (x \right )\right ) x \right ) \sqrt {16}}{8}\) | \(24\) |
risch | \(-\frac {\sqrt {a \left ({\mathrm e}^{2 i x}-1\right )^{4} {\mathrm e}^{-4 i x}}\, {\mathrm e}^{2 i x} x}{2 \left ({\mathrm e}^{2 i x}-1\right )^{2}}-\frac {i \sqrt {a \left ({\mathrm e}^{2 i x}-1\right )^{4} {\mathrm e}^{-4 i x}}\, {\mathrm e}^{4 i x}}{8 \left ({\mathrm e}^{2 i x}-1\right )^{2}}+\frac {i \sqrt {a \left ({\mathrm e}^{2 i x}-1\right )^{4} {\mathrm e}^{-4 i x}}}{8 \left ({\mathrm e}^{2 i x}-1\right )^{2}}\) | \(102\) |
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Time = 0.27 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.00 \[ \int \sqrt {a \sin ^4(x)} \, dx=\frac {\sqrt {a \cos \left (x\right )^{4} - 2 \, a \cos \left (x\right )^{2} + a} {\left (\cos \left (x\right ) \sin \left (x\right ) - x\right )}}{2 \, {\left (\cos \left (x\right )^{2} - 1\right )}} \]
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\[ \int \sqrt {a \sin ^4(x)} \, dx=\int \sqrt {a \sin ^{4}{\left (x \right )}}\, dx \]
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Time = 0.32 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.61 \[ \int \sqrt {a \sin ^4(x)} \, dx=\frac {1}{2} \, \sqrt {a} x - \frac {\sqrt {a} \tan \left (x\right )}{2 \, {\left (\tan \left (x\right )^{2} + 1\right )}} \]
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Time = 0.41 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.42 \[ \int \sqrt {a \sin ^4(x)} \, dx=\frac {1}{4} \, \sqrt {a} {\left (2 \, x - \sin \left (2 \, x\right )\right )} \]
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Timed out. \[ \int \sqrt {a \sin ^4(x)} \, dx=\int \sqrt {a\,{\sin \left (x\right )}^4} \,d x \]
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