Optimal. Leaf size=38 \[ -\frac{2 \sqrt{a} \tanh ^{-1}\left (\frac{\sqrt{a} \cos (c+d x)}{\sqrt{a-a \sin (c+d x)}}\right )}{d} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.0510491, antiderivative size = 38, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.091, Rules used = {2773, 206} \[ -\frac{2 \sqrt{a} \tanh ^{-1}\left (\frac{\sqrt{a} \cos (c+d x)}{\sqrt{a-a \sin (c+d x)}}\right )}{d} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 2773
Rule 206
Rubi steps
\begin{align*} \int \csc (c+d x) \sqrt{a-a \sin (c+d x)} \, dx &=\frac{(2 a) \operatorname{Subst}\left (\int \frac{1}{a-x^2} \, dx,x,-\frac{a \cos (c+d x)}{\sqrt{a-a \sin (c+d x)}}\right )}{d}\\ &=-\frac{2 \sqrt{a} \tanh ^{-1}\left (\frac{\sqrt{a} \cos (c+d x)}{\sqrt{a-a \sin (c+d x)}}\right )}{d}\\ \end{align*}
Mathematica [B] time = 0.100621, size = 97, normalized size = 2.55 \[ \frac{\sqrt{a-a \sin (c+d x)} \left (\log \left (-\sin \left (\frac{1}{2} (c+d x)\right )-\cos \left (\frac{1}{2} (c+d x)\right )+1\right )-\log \left (\sin \left (\frac{1}{2} (c+d x)\right )+\cos \left (\frac{1}{2} (c+d x)\right )+1\right )\right )}{d \left (\cos \left (\frac{1}{2} (c+d x)\right )-\sin \left (\frac{1}{2} (c+d x)\right )\right )} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [B] time = 0.404, size = 67, normalized size = 1.8 \begin{align*} 2\,{\frac{ \left ( \sin \left ( dx+c \right ) -1 \right ) \sqrt{a \left ( 1+\sin \left ( dx+c \right ) \right ) }\sqrt{a}}{\cos \left ( dx+c \right ) \sqrt{a-a\sin \left ( dx+c \right ) }d}{\it Artanh} \left ({\frac{\sqrt{a \left ( 1+\sin \left ( dx+c \right ) \right ) }}{\sqrt{a}}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \sqrt{-a \sin \left (d x + c\right ) + a} \csc \left (d x + c\right )\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 1.50561, size = 591, normalized size = 15.55 \begin{align*} \left [\frac{\sqrt{a} \log \left (\frac{a \cos \left (d x + c\right )^{3} - 7 \, a \cos \left (d x + c\right )^{2} - 4 \,{\left (\cos \left (d x + c\right )^{2} -{\left (\cos \left (d x + c\right ) + 3\right )} \sin \left (d x + c\right ) - 2 \, \cos \left (d x + c\right ) - 3\right )} \sqrt{-a \sin \left (d x + c\right ) + a} \sqrt{a} - 9 \, a \cos \left (d x + c\right ) -{\left (a \cos \left (d x + c\right )^{2} + 8 \, a \cos \left (d x + c\right ) - a\right )} \sin \left (d x + c\right ) - a}{\cos \left (d x + c\right )^{3} + \cos \left (d x + c\right )^{2} -{\left (\cos \left (d x + c\right )^{2} - 1\right )} \sin \left (d x + c\right ) - \cos \left (d x + c\right ) - 1}\right )}{2 \, d}, \frac{\sqrt{-a} \arctan \left (\frac{\sqrt{-a \sin \left (d x + c\right ) + a} \sqrt{-a}{\left (\sin \left (d x + c\right ) + 2\right )}}{2 \, a \cos \left (d x + c\right )}\right )}{d}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \sqrt{- a \left (\sin{\left (c + d x \right )} - 1\right )} \csc{\left (c + d x \right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [B] time = 2.56855, size = 248, normalized size = 6.53 \begin{align*} -\frac{\frac{2 \, a \arctan \left (-\frac{\sqrt{a} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - \sqrt{a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + a}}{\sqrt{-a}}\right ) \mathrm{sgn}\left (\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - 1\right )}{\sqrt{-a}} + \sqrt{a} \log \left ({\left | -\sqrt{a} \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) + \sqrt{a \tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right )^{2} + a} \right |}\right ) \mathrm{sgn}\left (\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - 1\right ) - \frac{{\left (2 \, a \arctan \left (\frac{\sqrt{2} \sqrt{a} - \sqrt{a}}{\sqrt{-a}}\right ) + \sqrt{-a} \sqrt{a} \log \left ({\left | \sqrt{2} \sqrt{a} - \sqrt{a} \right |}\right )\right )} \mathrm{sgn}\left (\tan \left (\frac{1}{2} \, d x + \frac{1}{2} \, c\right ) - 1\right )}{\sqrt{-a}}}{d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]