Optimal. Leaf size=78 \[ \frac{\sqrt{7} F\left (\frac{1}{2} (c+d x)|\frac{8}{7}\right )}{6 d}+\frac{\sqrt{7} E\left (\frac{1}{2} (c+d x)|\frac{8}{7}\right )}{2 d}+\frac{2 \sin (c+d x) \sqrt{4 \cos (c+d x)+3}}{3 d} \]
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Rubi [A] time = 0.0836391, antiderivative size = 78, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.19, Rules used = {2753, 2752, 2661, 2653} \[ \frac{\sqrt{7} F\left (\frac{1}{2} (c+d x)|\frac{8}{7}\right )}{6 d}+\frac{\sqrt{7} E\left (\frac{1}{2} (c+d x)|\frac{8}{7}\right )}{2 d}+\frac{2 \sin (c+d x) \sqrt{4 \cos (c+d x)+3}}{3 d} \]
Antiderivative was successfully verified.
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Rule 2753
Rule 2752
Rule 2661
Rule 2653
Rubi steps
\begin{align*} \int \cos (c+d x) \sqrt{3+4 \cos (c+d x)} \, dx &=\frac{2 \sqrt{3+4 \cos (c+d x)} \sin (c+d x)}{3 d}+\frac{2}{3} \int \frac{2+\frac{3}{2} \cos (c+d x)}{\sqrt{3+4 \cos (c+d x)}} \, dx\\ &=\frac{2 \sqrt{3+4 \cos (c+d x)} \sin (c+d x)}{3 d}+\frac{1}{4} \int \sqrt{3+4 \cos (c+d x)} \, dx+\frac{7}{12} \int \frac{1}{\sqrt{3+4 \cos (c+d x)}} \, dx\\ &=\frac{\sqrt{7} E\left (\frac{1}{2} (c+d x)|\frac{8}{7}\right )}{2 d}+\frac{\sqrt{7} F\left (\frac{1}{2} (c+d x)|\frac{8}{7}\right )}{6 d}+\frac{2 \sqrt{3+4 \cos (c+d x)} \sin (c+d x)}{3 d}\\ \end{align*}
Mathematica [A] time = 0.0604662, size = 69, normalized size = 0.88 \[ \frac{\sqrt{7} F\left (\frac{1}{2} (c+d x)|\frac{8}{7}\right )+3 \sqrt{7} E\left (\frac{1}{2} (c+d x)|\frac{8}{7}\right )+4 \sin (c+d x) \sqrt{4 \cos (c+d x)+3}}{6 d} \]
Antiderivative was successfully verified.
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Maple [A] time = 2.113, size = 231, normalized size = 3. \begin{align*} -{\frac{1}{6\,d}\sqrt{ \left ( 8\, \left ( \cos \left ( 1/2\,dx+c/2 \right ) \right ) ^{2}-1 \right ) \left ( \sin \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) \right ) ^{2}} \left ( 64\, \left ( \sin \left ( 1/2\,dx+c/2 \right ) \right ) ^{4}\cos \left ( 1/2\,dx+c/2 \right ) +7\,\sqrt{ \left ( \sin \left ( 1/2\,dx+c/2 \right ) \right ) ^{2}}\sqrt{8\, \left ( \sin \left ( 1/2\,dx+c/2 \right ) \right ) ^{2}-7}{\it EllipticF} \left ( \cos \left ( 1/2\,dx+c/2 \right ) ,2\,\sqrt{2} \right ) -3\,\sqrt{ \left ( \sin \left ( 1/2\,dx+c/2 \right ) \right ) ^{2}}\sqrt{8\, \left ( \sin \left ( 1/2\,dx+c/2 \right ) \right ) ^{2}-7}{\it EllipticE} \left ( \cos \left ( 1/2\,dx+c/2 \right ) ,2\,\sqrt{2} \right ) -56\, \left ( \sin \left ( 1/2\,dx+c/2 \right ) \right ) ^{2}\cos \left ( 1/2\,dx+c/2 \right ) \right ){\frac{1}{\sqrt{-8\, \left ( \sin \left ( 1/2\,dx+c/2 \right ) \right ) ^{4}+7\, \left ( \sin \left ( 1/2\,dx+c/2 \right ) \right ) ^{2}}}} \left ( \sin \left ({\frac{dx}{2}}+{\frac{c}{2}} \right ) \right ) ^{-1}{\frac{1}{\sqrt{8\, \left ( \cos \left ( 1/2\,dx+c/2 \right ) \right ) ^{2}-1}}}} \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 \sqrt{4 \, \cos \left (d x + c\right ) + 3} \cos \left (d x + c\right )\,{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 (\sqrt{4 \, \cos \left (d x + c\right ) + 3} \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 \sqrt{4 \cos{\left (c + d x \right )} + 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 \sqrt{4 \, \cos \left (d x + c\right ) + 3} \cos \left (d x + c\right )\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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