Optimal. Leaf size=34 \[ -\frac{2 F\left (\sin ^{-1}\left (\frac{\sin (c+d x)}{1-\cos (c+d x)}\right )|\frac{1}{5}\right )}{\sqrt{5} d} \]
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Rubi [A] time = 0.0552737, antiderivative size = 34, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 27, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.037, Rules used = {2813} \[ -\frac{2 F\left (\sin ^{-1}\left (\frac{\sin (c+d x)}{1-\cos (c+d x)}\right )|\frac{1}{5}\right )}{\sqrt{5} d} \]
Antiderivative was successfully verified.
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Rule 2813
Rubi steps
\begin{align*} \int \frac{1}{\sqrt{2-3 \cos (c+d x)} \sqrt{-\cos (c+d x)}} \, dx &=-\frac{2 F\left (\sin ^{-1}\left (\frac{\sin (c+d x)}{1-\cos (c+d x)}\right )|\frac{1}{5}\right )}{\sqrt{5} d}\\ \end{align*}
Mathematica [B] time = 0.528512, size = 145, normalized size = 4.26 \[ -\frac{4 \sin ^4\left (\frac{1}{2} (c+d x)\right ) \sqrt{\cot ^2\left (\frac{1}{2} (c+d x)\right )} \csc (c+d x) \sqrt{(2-3 \cos (c+d x)) \csc ^2\left (\frac{1}{2} (c+d x)\right )} \sqrt{\cos (c+d x) \csc ^2\left (\frac{1}{2} (c+d x)\right )} F\left (\left .\sin ^{-1}\left (\frac{1}{2} \sqrt{\cos (c+d x) \csc ^2\left (\frac{1}{2} (c+d x)\right )}\right )\right |-4\right )}{d \sqrt{2-3 \cos (c+d x)} \sqrt{-\cos (c+d x)}} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.376, size = 121, normalized size = 3.6 \begin{align*} -2\,{\frac{\sqrt{2-3\,\cos \left ( dx+c \right ) } \left ( \sin \left ( dx+c \right ) \right ) ^{2}}{d \left ( 3\, \left ( \cos \left ( dx+c \right ) \right ) ^{2}-5\,\cos \left ( dx+c \right ) +2 \right ) \sqrt{-\cos \left ( dx+c \right ) }}{\it EllipticF} \left ({\frac{-1+\cos \left ( dx+c \right ) }{\sin \left ( dx+c \right ) }},\sqrt{5} \right ) \sqrt{{\frac{-2+3\,\cos \left ( dx+c \right ) }{1+\cos \left ( dx+c \right ) }}}\sqrt{{\frac{\cos \left ( dx+c \right ) }{1+\cos \left ( dx+c \right ) }}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{\sqrt{-\cos \left (d x + c\right )} \sqrt{-3 \, \cos \left (d x + c\right ) + 2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{\sqrt{-\cos \left (d x + c\right )} \sqrt{-3 \, \cos \left (d x + c\right ) + 2}}{3 \, \cos \left (d x + c\right )^{2} - 2 \, \cos \left (d x + c\right )}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{\sqrt{- \cos{\left (c + d x \right )}} \sqrt{2 - 3 \cos{\left (c + d x \right )}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{\sqrt{-\cos \left (d x + c\right )} \sqrt{-3 \, \cos \left (d x + c\right ) + 2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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