Integrand size = 21, antiderivative size = 102 \[ \int \frac {\sin ^3(e+f x)}{\sqrt {d \csc (e+f x)}} \, dx=-\frac {2 d^2 \cos (e+f x)}{7 f (d \csc (e+f x))^{5/2}}-\frac {10 \cos (e+f x)}{21 f \sqrt {d \csc (e+f x)}}+\frac {10 \sqrt {d \csc (e+f x)} \operatorname {EllipticF}\left (\frac {1}{2} \left (e-\frac {\pi }{2}+f x\right ),2\right ) \sqrt {\sin (e+f x)}}{21 d f} \] Output:
-2/7*d^2*cos(f*x+e)/f/(d*csc(f*x+e))^(5/2)-10/21*cos(f*x+e)/f/(d*csc(f*x+e ))^(1/2)+10/21*(d*csc(f*x+e))^(1/2)*InverseJacobiAM(1/2*e-1/4*Pi+1/2*f*x,2 ^(1/2))*sin(f*x+e)^(1/2)/d/f
Time = 0.29 (sec) , antiderivative size = 70, normalized size of antiderivative = 0.69 \[ \int \frac {\sin ^3(e+f x)}{\sqrt {d \csc (e+f x)}} \, dx=-\frac {\sqrt {d \csc (e+f x)} \left (40 \operatorname {EllipticF}\left (\frac {1}{4} (-2 e+\pi -2 f x),2\right ) \sqrt {\sin (e+f x)}+26 \sin (2 (e+f x))-3 \sin (4 (e+f x))\right )}{84 d f} \] Input:
Integrate[Sin[e + f*x]^3/Sqrt[d*Csc[e + f*x]],x]
Output:
-1/84*(Sqrt[d*Csc[e + f*x]]*(40*EllipticF[(-2*e + Pi - 2*f*x)/4, 2]*Sqrt[S in[e + f*x]] + 26*Sin[2*(e + f*x)] - 3*Sin[4*(e + f*x)]))/(d*f)
Time = 0.79 (sec) , antiderivative size = 117, normalized size of antiderivative = 1.15, number of steps used = 9, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.429, Rules used = {3042, 2030, 4256, 3042, 4256, 3042, 4258, 3042, 3120}
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int \frac {\sin ^3(e+f x)}{\sqrt {d \csc (e+f x)}} \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int \frac {1}{\csc (e+f x)^3 \sqrt {d \csc (e+f x)}}dx\) |
\(\Big \downarrow \) 2030 |
\(\displaystyle d^3 \int \frac {1}{(d \csc (e+f x))^{7/2}}dx\) |
\(\Big \downarrow \) 4256 |
\(\displaystyle d^3 \left (\frac {5 \int \frac {1}{(d \csc (e+f x))^{3/2}}dx}{7 d^2}-\frac {2 \cos (e+f x)}{7 d f (d \csc (e+f x))^{5/2}}\right )\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle d^3 \left (\frac {5 \int \frac {1}{(d \csc (e+f x))^{3/2}}dx}{7 d^2}-\frac {2 \cos (e+f x)}{7 d f (d \csc (e+f x))^{5/2}}\right )\) |
\(\Big \downarrow \) 4256 |
\(\displaystyle d^3 \left (\frac {5 \left (\frac {\int \sqrt {d \csc (e+f x)}dx}{3 d^2}-\frac {2 \cos (e+f x)}{3 d f \sqrt {d \csc (e+f x)}}\right )}{7 d^2}-\frac {2 \cos (e+f x)}{7 d f (d \csc (e+f x))^{5/2}}\right )\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle d^3 \left (\frac {5 \left (\frac {\int \sqrt {d \csc (e+f x)}dx}{3 d^2}-\frac {2 \cos (e+f x)}{3 d f \sqrt {d \csc (e+f x)}}\right )}{7 d^2}-\frac {2 \cos (e+f x)}{7 d f (d \csc (e+f x))^{5/2}}\right )\) |
\(\Big \downarrow \) 4258 |
\(\displaystyle d^3 \left (\frac {5 \left (\frac {\sqrt {\sin (e+f x)} \sqrt {d \csc (e+f x)} \int \frac {1}{\sqrt {\sin (e+f x)}}dx}{3 d^2}-\frac {2 \cos (e+f x)}{3 d f \sqrt {d \csc (e+f x)}}\right )}{7 d^2}-\frac {2 \cos (e+f x)}{7 d f (d \csc (e+f x))^{5/2}}\right )\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle d^3 \left (\frac {5 \left (\frac {\sqrt {\sin (e+f x)} \sqrt {d \csc (e+f x)} \int \frac {1}{\sqrt {\sin (e+f x)}}dx}{3 d^2}-\frac {2 \cos (e+f x)}{3 d f \sqrt {d \csc (e+f x)}}\right )}{7 d^2}-\frac {2 \cos (e+f x)}{7 d f (d \csc (e+f x))^{5/2}}\right )\) |
\(\Big \downarrow \) 3120 |
\(\displaystyle d^3 \left (\frac {5 \left (\frac {2 \sqrt {\sin (e+f x)} \operatorname {EllipticF}\left (\frac {1}{2} \left (e+f x-\frac {\pi }{2}\right ),2\right ) \sqrt {d \csc (e+f x)}}{3 d^2 f}-\frac {2 \cos (e+f x)}{3 d f \sqrt {d \csc (e+f x)}}\right )}{7 d^2}-\frac {2 \cos (e+f x)}{7 d f (d \csc (e+f x))^{5/2}}\right )\) |
Input:
Int[Sin[e + f*x]^3/Sqrt[d*Csc[e + f*x]],x]
Output:
d^3*((-2*Cos[e + f*x])/(7*d*f*(d*Csc[e + f*x])^(5/2)) + (5*((-2*Cos[e + f* x])/(3*d*f*Sqrt[d*Csc[e + f*x]]) + (2*Sqrt[d*Csc[e + f*x]]*EllipticF[(e - Pi/2 + f*x)/2, 2]*Sqrt[Sin[e + f*x]])/(3*d^2*f)))/(7*d^2))
Int[(Fx_.)*(v_)^(m_.)*((b_)*(v_))^(n_), x_Symbol] :> Simp[1/b^m Int[(b*v) ^(m + n)*Fx, x], x] /; FreeQ[{b, n}, x] && IntegerQ[m]
Int[1/Sqrt[sin[(c_.) + (d_.)*(x_)]], x_Symbol] :> Simp[(2/d)*EllipticF[(1/2 )*(c - Pi/2 + d*x), 2], x] /; FreeQ[{c, d}, x]
Int[(csc[(c_.) + (d_.)*(x_)]*(b_.))^(n_), x_Symbol] :> Simp[Cos[c + d*x]*(( b*Csc[c + d*x])^(n + 1)/(b*d*n)), x] + Simp[(n + 1)/(b^2*n) Int[(b*Csc[c + d*x])^(n + 2), x], x] /; FreeQ[{b, c, d}, x] && LtQ[n, -1] && IntegerQ[2* n]
Int[(csc[(c_.) + (d_.)*(x_)]*(b_.))^(n_), x_Symbol] :> Simp[(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]
Result contains complex when optimal does not.
Time = 1.03 (sec) , antiderivative size = 155, normalized size of antiderivative = 1.52
method | result | size |
default | \(\frac {\sqrt {2}\, \left (\sqrt {2}\, \left (3 \cos \left (f x +e \right )^{3}-8 \cos \left (f x +e \right )\right )+i \sqrt {1-i \cot \left (f x +e \right )+i \csc \left (f x +e \right )}\, \sqrt {-i \left (-\csc \left (f x +e \right )+\cot \left (f x +e \right )\right )}\, \operatorname {EllipticF}\left (\sqrt {1+i \cot \left (f x +e \right )-i \csc \left (f x +e \right )}, \frac {\sqrt {2}}{2}\right ) \sqrt {1+i \cot \left (f x +e \right )-i \csc \left (f x +e \right )}\, \left (5 \cot \left (f x +e \right )+5 \csc \left (f x +e \right )\right )\right )}{21 f \sqrt {d \csc \left (f x +e \right )}}\) | \(155\) |
Input:
int(sin(f*x+e)^3/(d*csc(f*x+e))^(1/2),x,method=_RETURNVERBOSE)
Output:
1/21/f*2^(1/2)/(d*csc(f*x+e))^(1/2)*(2^(1/2)*(3*cos(f*x+e)^3-8*cos(f*x+e)) +I*(1-I*cot(f*x+e)+I*csc(f*x+e))^(1/2)*(-I*(-csc(f*x+e)+cot(f*x+e)))^(1/2) *EllipticF((1+I*cot(f*x+e)-I*csc(f*x+e))^(1/2),1/2*2^(1/2))*(1+I*cot(f*x+e )-I*csc(f*x+e))^(1/2)*(5*cot(f*x+e)+5*csc(f*x+e)))
Result contains complex when optimal does not.
Time = 0.12 (sec) , antiderivative size = 98, normalized size of antiderivative = 0.96 \[ \int \frac {\sin ^3(e+f x)}{\sqrt {d \csc (e+f x)}} \, dx=\frac {2 \, {\left (3 \, \cos \left (f x + e\right )^{3} - 8 \, \cos \left (f x + e\right )\right )} \sqrt {\frac {d}{\sin \left (f x + e\right )}} \sin \left (f x + e\right ) - 5 i \, \sqrt {2 i \, d} {\rm weierstrassPInverse}\left (4, 0, \cos \left (f x + e\right ) + i \, \sin \left (f x + e\right )\right ) + 5 i \, \sqrt {-2 i \, d} {\rm weierstrassPInverse}\left (4, 0, \cos \left (f x + e\right ) - i \, \sin \left (f x + e\right )\right )}{21 \, d f} \] Input:
integrate(sin(f*x+e)^3/(d*csc(f*x+e))^(1/2),x, algorithm="fricas")
Output:
1/21*(2*(3*cos(f*x + e)^3 - 8*cos(f*x + e))*sqrt(d/sin(f*x + e))*sin(f*x + e) - 5*I*sqrt(2*I*d)*weierstrassPInverse(4, 0, cos(f*x + e) + I*sin(f*x + e)) + 5*I*sqrt(-2*I*d)*weierstrassPInverse(4, 0, cos(f*x + e) - I*sin(f*x + e)))/(d*f)
Timed out. \[ \int \frac {\sin ^3(e+f x)}{\sqrt {d \csc (e+f x)}} \, dx=\text {Timed out} \] Input:
integrate(sin(f*x+e)**3/(d*csc(f*x+e))**(1/2),x)
Output:
Timed out
\[ \int \frac {\sin ^3(e+f x)}{\sqrt {d \csc (e+f x)}} \, dx=\int { \frac {\sin \left (f x + e\right )^{3}}{\sqrt {d \csc \left (f x + e\right )}} \,d x } \] Input:
integrate(sin(f*x+e)^3/(d*csc(f*x+e))^(1/2),x, algorithm="maxima")
Output:
integrate(sin(f*x + e)^3/sqrt(d*csc(f*x + e)), x)
\[ \int \frac {\sin ^3(e+f x)}{\sqrt {d \csc (e+f x)}} \, dx=\int { \frac {\sin \left (f x + e\right )^{3}}{\sqrt {d \csc \left (f x + e\right )}} \,d x } \] Input:
integrate(sin(f*x+e)^3/(d*csc(f*x+e))^(1/2),x, algorithm="giac")
Output:
integrate(sin(f*x + e)^3/sqrt(d*csc(f*x + e)), x)
Timed out. \[ \int \frac {\sin ^3(e+f x)}{\sqrt {d \csc (e+f x)}} \, dx=\int \frac {{\sin \left (e+f\,x\right )}^3}{\sqrt {\frac {d}{\sin \left (e+f\,x\right )}}} \,d x \] Input:
int(sin(e + f*x)^3/(d/sin(e + f*x))^(1/2),x)
Output:
int(sin(e + f*x)^3/(d/sin(e + f*x))^(1/2), x)
\[ \int \frac {\sin ^3(e+f x)}{\sqrt {d \csc (e+f x)}} \, dx=\frac {\sqrt {d}\, \left (\int \frac {\sqrt {\csc \left (f x +e \right )}\, \sin \left (f x +e \right )^{3}}{\csc \left (f x +e \right )}d x \right )}{d} \] Input:
int(sin(f*x+e)^3/(d*csc(f*x+e))^(1/2),x)
Output:
(sqrt(d)*int((sqrt(csc(e + f*x))*sin(e + f*x)**3)/csc(e + f*x),x))/d