Optimal. Leaf size=69 \[ \frac{4 \sqrt{\cos (a+b x)} F\left (\left .\frac{1}{2} (a+b x)\right |2\right )}{3 b \sqrt{d \cos (a+b x)}}-\frac{2 \sin (a+b x) \sqrt{d \cos (a+b x)}}{3 b d} \]
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Rubi [A] time = 0.0578891, antiderivative size = 69, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.143, Rules used = {2568, 2642, 2641} \[ \frac{4 \sqrt{\cos (a+b x)} F\left (\left .\frac{1}{2} (a+b x)\right |2\right )}{3 b \sqrt{d \cos (a+b x)}}-\frac{2 \sin (a+b x) \sqrt{d \cos (a+b x)}}{3 b d} \]
Antiderivative was successfully verified.
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Rule 2568
Rule 2642
Rule 2641
Rubi steps
\begin{align*} \int \frac{\sin ^2(a+b x)}{\sqrt{d \cos (a+b x)}} \, dx &=-\frac{2 \sqrt{d \cos (a+b x)} \sin (a+b x)}{3 b d}+\frac{2}{3} \int \frac{1}{\sqrt{d \cos (a+b x)}} \, dx\\ &=-\frac{2 \sqrt{d \cos (a+b x)} \sin (a+b x)}{3 b d}+\frac{\left (2 \sqrt{\cos (a+b x)}\right ) \int \frac{1}{\sqrt{\cos (a+b x)}} \, dx}{3 \sqrt{d \cos (a+b x)}}\\ &=\frac{4 \sqrt{\cos (a+b x)} F\left (\left .\frac{1}{2} (a+b x)\right |2\right )}{3 b \sqrt{d \cos (a+b x)}}-\frac{2 \sqrt{d \cos (a+b x)} \sin (a+b x)}{3 b d}\\ \end{align*}
Mathematica [C] time = 0.105022, size = 58, normalized size = 0.84 \[ \frac{d \sin ^3(a+b x) \cos ^2(a+b x)^{3/4} \, _2F_1\left (\frac{3}{4},\frac{3}{2};\frac{5}{2};\sin ^2(a+b x)\right )}{3 b (d \cos (a+b x))^{3/2}} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.053, size = 188, normalized size = 2.7 \begin{align*}{\frac{4}{3\,b}\sqrt{d \left ( 2\, \left ( \cos \left ( 1/2\,bx+a/2 \right ) \right ) ^{2}-1 \right ) \left ( \sin \left ({\frac{bx}{2}}+{\frac{a}{2}} \right ) \right ) ^{2}} \left ( 2\,\cos \left ( 1/2\,bx+a/2 \right ) \left ( \sin \left ( 1/2\,bx+a/2 \right ) \right ) ^{4}-\sqrt{ \left ( \sin \left ({\frac{bx}{2}}+{\frac{a}{2}} \right ) \right ) ^{2}}\sqrt{2\, \left ( \sin \left ( 1/2\,bx+a/2 \right ) \right ) ^{2}-1}{\it EllipticF} \left ( \cos \left ({\frac{bx}{2}}+{\frac{a}{2}} \right ) ,\sqrt{2} \right ) - \left ( \sin \left ({\frac{bx}{2}}+{\frac{a}{2}} \right ) \right ) ^{2}\cos \left ({\frac{bx}{2}}+{\frac{a}{2}} \right ) \right ){\frac{1}{\sqrt{-d \left ( 2\, \left ( \sin \left ( 1/2\,bx+a/2 \right ) \right ) ^{4}- \left ( \sin \left ({\frac{bx}{2}}+{\frac{a}{2}} \right ) \right ) ^{2} \right ) }}} \left ( \sin \left ({\frac{bx}{2}}+{\frac{a}{2}} \right ) \right ) ^{-1}{\frac{1}{\sqrt{d \left ( 2\, \left ( \cos \left ( 1/2\,bx+a/2 \right ) \right ) ^{2}-1 \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{\sin \left (b x + a\right )^{2}}{\sqrt{d \cos \left (b x + a\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 (-\frac{\sqrt{d \cos \left (b x + a\right )}{\left (\cos \left (b x + a\right )^{2} - 1\right )}}{d \cos \left (b x + a\right )}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \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{\sin \left (b x + a\right )^{2}}{\sqrt{d \cos \left (b x + a\right )}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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