\(\int \frac {1}{\sqrt {\csc (a+b x)}} \, dx\) [13]

Optimal result

Integrand size = 10, antiderivative size = 41 \[ \int \frac {1}{\sqrt {\csc (a+b x)}} \, dx=\frac {2 \sqrt {\csc (a+b x)} E\left (\left .\frac {1}{2} \left (a-\frac {\pi }{2}+b x\right )\right |2\right ) \sqrt {\sin (a+b x)}}{b} \]

[Out]

-2*(sin(1/2*a+1/4*Pi+1/2*b*x)^2)^(1/2)/sin(1/2*a+1/4*Pi+1/2*b*x)*EllipticE(cos(1/2*a+1/4*Pi+1/2*b*x),2^(1/2))*
csc(b*x+a)^(1/2)*sin(b*x+a)^(1/2)/b

Rubi [A] (verified)

Time = 0.02 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {3856, 2719} \[ \int \frac {1}{\sqrt {\csc (a+b x)}} \, dx=\frac {2 \sqrt {\sin (a+b x)} \sqrt {\csc (a+b x)} E\left (\left .\frac {1}{2} \left (a+b x-\frac {\pi }{2}\right )\right |2\right )}{b} \]

[In]

Int[1/Sqrt[Csc[a + b*x]],x]

[Out]

(2*Sqrt[Csc[a + b*x]]*EllipticE[(a - Pi/2 + b*x)/2, 2]*Sqrt[Sin[a + b*x]])/b

Rule 2719

Int[Sqrt[sin[(c_.) + (d_.)*(x_)]], x_Symbol] :> Simp[(2/d)*EllipticE[(1/2)*(c - Pi/2 + d*x), 2], x] /; FreeQ[{
c, d}, x]

Rule 3856

Int[(csc[(c_.) + (d_.)*(x_)]*(b_.))^(n_), x_Symbol] :> Dist[(b*Csc[c + d*x])^n*Sin[c + d*x]^n, Int[1/Sin[c + d
*x]^n, x], x] /; FreeQ[{b, c, d}, x] && EqQ[n^2, 1/4]

Rubi steps \begin{align*} \text {integral}& = \left (\sqrt {\csc (a+b x)} \sqrt {\sin (a+b x)}\right ) \int \sqrt {\sin (a+b x)} \, dx \\ & = \frac {2 \sqrt {\csc (a+b x)} E\left (\left .\frac {1}{2} \left (a-\frac {\pi }{2}+b x\right )\right |2\right ) \sqrt {\sin (a+b x)}}{b} \\ \end{align*}

Mathematica [A] (verified)

Time = 0.05 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.98 \[ \int \frac {1}{\sqrt {\csc (a+b x)}} \, dx=-\frac {2 \sqrt {\csc (a+b x)} E\left (\left .\frac {1}{4} (-2 a+\pi -2 b x)\right |2\right ) \sqrt {\sin (a+b x)}}{b} \]

[In]

Integrate[1/Sqrt[Csc[a + b*x]],x]

[Out]

(-2*Sqrt[Csc[a + b*x]]*EllipticE[(-2*a + Pi - 2*b*x)/4, 2]*Sqrt[Sin[a + b*x]])/b

Maple [A] (verified)

Time = 0.65 (sec) , antiderivative size = 91, normalized size of antiderivative = 2.22

method	result	size
default	\(-\frac {\sqrt {\sin \left (x b +a \right )+1}\, \sqrt {-2 \sin \left (x b +a \right )+2}\, \sqrt {-\sin \left (x b +a \right )}\, \left (2 \operatorname {EllipticE}\left (\sqrt {\sin \left (x b +a \right )+1}, \frac {\sqrt {2}}{2}\right )-\operatorname {EllipticF}\left (\sqrt {\sin \left (x b +a \right )+1}, \frac {\sqrt {2}}{2}\right )\right )}{\cos \left (x b +a \right ) \sqrt {\sin \left (x b +a \right )}\, b}\)	\(91\)
risch	\(-\frac {i \sqrt {2}}{b \sqrt {\frac {i {\mathrm e}^{i \left (x b +a \right )}}{{\mathrm e}^{2 i \left (x b +a \right )}-1}}}+\frac {i \left (-\frac {2 i \left (-i+i {\mathrm e}^{2 i \left (x b +a \right )}\right )}{\sqrt {{\mathrm e}^{i \left (x b +a \right )} \left (-i+i {\mathrm e}^{2 i \left (x b +a \right )}\right )}}-\frac {\sqrt {{\mathrm e}^{i \left (x b +a \right )}+1}\, \sqrt {-2 \,{\mathrm e}^{i \left (x b +a \right )}+2}\, \sqrt {-{\mathrm e}^{i \left (x b +a \right )}}\, \left (-2 \operatorname {EllipticE}\left (\sqrt {{\mathrm e}^{i \left (x b +a \right )}+1}, \frac {\sqrt {2}}{2}\right )+\operatorname {EllipticF}\left (\sqrt {{\mathrm e}^{i \left (x b +a \right )}+1}, \frac {\sqrt {2}}{2}\right )\right )}{\sqrt {i {\mathrm e}^{3 i \left (x b +a \right )}-i {\mathrm e}^{i \left (x b +a \right )}}}\right ) \sqrt {2}\, \sqrt {i {\mathrm e}^{i \left (x b +a \right )} \left ({\mathrm e}^{2 i \left (x b +a \right )}-1\right )}}{b \sqrt {\frac {i {\mathrm e}^{i \left (x b +a \right )}}{{\mathrm e}^{2 i \left (x b +a \right )}-1}}\, \left ({\mathrm e}^{2 i \left (x b +a \right )}-1\right )}\)	\(283\)

[In]

int(1/csc(b*x+a)^(1/2),x,method=_RETURNVERBOSE)

[Out]

-(sin(b*x+a)+1)^(1/2)*(-2*sin(b*x+a)+2)^(1/2)*(-sin(b*x+a))^(1/2)*(2*EllipticE((sin(b*x+a)+1)^(1/2),1/2*2^(1/2
))-EllipticF((sin(b*x+a)+1)^(1/2),1/2*2^(1/2)))/cos(b*x+a)/sin(b*x+a)^(1/2)/b

Fricas [C] (verification not implemented)

Result contains higher order function than in optimal. Order 9 vs. order 4.

Time = 0.08 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.34 \[ \int \frac {1}{\sqrt {\csc (a+b x)}} \, dx=\frac {\sqrt {2 i} {\rm weierstrassZeta}\left (4, 0, {\rm weierstrassPInverse}\left (4, 0, \cos \left (b x + a\right ) + i \, \sin \left (b x + a\right )\right )\right ) + \sqrt {-2 i} {\rm weierstrassZeta}\left (4, 0, {\rm weierstrassPInverse}\left (4, 0, \cos \left (b x + a\right ) - i \, \sin \left (b x + a\right )\right )\right )}{b} \]

[In]

integrate(1/csc(b*x+a)^(1/2),x, algorithm="fricas")

[Out]

(sqrt(2*I)*weierstrassZeta(4, 0, weierstrassPInverse(4, 0, cos(b*x + a) + I*sin(b*x + a))) + sqrt(-2*I)*weiers
trassZeta(4, 0, weierstrassPInverse(4, 0, cos(b*x + a) - I*sin(b*x + a))))/b

Sympy [F]

\[ \int \frac {1}{\sqrt {\csc (a+b x)}} \, dx=\int \frac {1}{\sqrt {\csc {\left (a + b x \right )}}}\, dx \]

[In]

integrate(1/csc(b*x+a)**(1/2),x)

[Out]

Integral(1/sqrt(csc(a + b*x)), x)

Maxima [F]

\[ \int \frac {1}{\sqrt {\csc (a+b x)}} \, dx=\int { \frac {1}{\sqrt {\csc \left (b x + a\right )}} \,d x } \]

[In]

integrate(1/csc(b*x+a)^(1/2),x, algorithm="maxima")

[Out]

integrate(1/sqrt(csc(b*x + a)), x)

Giac [F]

\[ \int \frac {1}{\sqrt {\csc (a+b x)}} \, dx=\int { \frac {1}{\sqrt {\csc \left (b x + a\right )}} \,d x } \]

[In]

integrate(1/csc(b*x+a)^(1/2),x, algorithm="giac")

[Out]

integrate(1/sqrt(csc(b*x + a)), x)

Mupad [F(-1)]

Timed out. \[ \int \frac {1}{\sqrt {\csc (a+b x)}} \, dx=\int \frac {1}{\sqrt {\frac {1}{\sin \left (a+b\,x\right )}}} \,d x \]

[In]

int(1/(1/sin(a + b*x))^(1/2),x)

[Out]

int(1/(1/sin(a + b*x))^(1/2), x)