3.5.17 \(\int \frac {\sin ^6(e+f x)}{\sqrt {b \sec (e+f x)}} \, dx\) [417]

Optimal. Leaf size=123 \[ \frac {16 E\left (\left .\frac {1}{2} (e+f x)\right |2\right )}{39 f \sqrt {\cos (e+f x)} \sqrt {b \sec (e+f x)}}-\frac {8 b \sin (e+f x)}{39 f (b \sec (e+f x))^{3/2}}-\frac {20 b \sin ^3(e+f x)}{117 f (b \sec (e+f x))^{3/2}}-\frac {2 b \sin ^5(e+f x)}{13 f (b \sec (e+f x))^{3/2}} \]

[Out]

-8/39*b*sin(f*x+e)/f/(b*sec(f*x+e))^(3/2)-20/117*b*sin(f*x+e)^3/f/(b*sec(f*x+e))^(3/2)-2/13*b*sin(f*x+e)^5/f/(
b*sec(f*x+e))^(3/2)+16/39*(cos(1/2*f*x+1/2*e)^2)^(1/2)/cos(1/2*f*x+1/2*e)*EllipticE(sin(1/2*f*x+1/2*e),2^(1/2)
)/f/cos(f*x+e)^(1/2)/(b*sec(f*x+e))^(1/2)

________________________________________________________________________________________

Rubi [A]
time = 0.10, antiderivative size = 123, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 3, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {2707, 3856, 2719} \begin {gather*} -\frac {2 b \sin ^5(e+f x)}{13 f (b \sec (e+f x))^{3/2}}-\frac {20 b \sin ^3(e+f x)}{117 f (b \sec (e+f x))^{3/2}}-\frac {8 b \sin (e+f x)}{39 f (b \sec (e+f x))^{3/2}}+\frac {16 E\left (\left .\frac {1}{2} (e+f x)\right |2\right )}{39 f \sqrt {\cos (e+f x)} \sqrt {b \sec (e+f x)}} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[Sin[e + f*x]^6/Sqrt[b*Sec[e + f*x]],x]

[Out]

(16*EllipticE[(e + f*x)/2, 2])/(39*f*Sqrt[Cos[e + f*x]]*Sqrt[b*Sec[e + f*x]]) - (8*b*Sin[e + f*x])/(39*f*(b*Se
c[e + f*x])^(3/2)) - (20*b*Sin[e + f*x]^3)/(117*f*(b*Sec[e + f*x])^(3/2)) - (2*b*Sin[e + f*x]^5)/(13*f*(b*Sec[
e + f*x])^(3/2))

Rule 2707

Int[(csc[(e_.) + (f_.)*(x_)]*(a_.))^(m_)*((b_.)*sec[(e_.) + (f_.)*(x_)])^(n_.), x_Symbol] :> Simp[b*(a*Csc[e +
 f*x])^(m + 1)*((b*Sec[e + f*x])^(n - 1)/(a*f*(m + n))), x] + Dist[(m + 1)/(a^2*(m + n)), Int[(a*Csc[e + f*x])
^(m + 2)*(b*Sec[e + f*x])^n, x], x] /; FreeQ[{a, b, e, f, n}, x] && LtQ[m, -1] && NeQ[m + n, 0] && IntegersQ[2
*m, 2*n]

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*} \int \frac {\sin ^6(e+f x)}{\sqrt {b \sec (e+f x)}} \, dx &=-\frac {2 b \sin ^5(e+f x)}{13 f (b \sec (e+f x))^{3/2}}+\frac {10}{13} \int \frac {\sin ^4(e+f x)}{\sqrt {b \sec (e+f x)}} \, dx\\ &=-\frac {20 b \sin ^3(e+f x)}{117 f (b \sec (e+f x))^{3/2}}-\frac {2 b \sin ^5(e+f x)}{13 f (b \sec (e+f x))^{3/2}}+\frac {20}{39} \int \frac {\sin ^2(e+f x)}{\sqrt {b \sec (e+f x)}} \, dx\\ &=-\frac {8 b \sin (e+f x)}{39 f (b \sec (e+f x))^{3/2}}-\frac {20 b \sin ^3(e+f x)}{117 f (b \sec (e+f x))^{3/2}}-\frac {2 b \sin ^5(e+f x)}{13 f (b \sec (e+f x))^{3/2}}+\frac {8}{39} \int \frac {1}{\sqrt {b \sec (e+f x)}} \, dx\\ &=-\frac {8 b \sin (e+f x)}{39 f (b \sec (e+f x))^{3/2}}-\frac {20 b \sin ^3(e+f x)}{117 f (b \sec (e+f x))^{3/2}}-\frac {2 b \sin ^5(e+f x)}{13 f (b \sec (e+f x))^{3/2}}+\frac {8 \int \sqrt {\cos (e+f x)} \, dx}{39 \sqrt {\cos (e+f x)} \sqrt {b \sec (e+f x)}}\\ &=\frac {16 E\left (\left .\frac {1}{2} (e+f x)\right |2\right )}{39 f \sqrt {\cos (e+f x)} \sqrt {b \sec (e+f x)}}-\frac {8 b \sin (e+f x)}{39 f (b \sec (e+f x))^{3/2}}-\frac {20 b \sin ^3(e+f x)}{117 f (b \sec (e+f x))^{3/2}}-\frac {2 b \sin ^5(e+f x)}{13 f (b \sec (e+f x))^{3/2}}\\ \end {align*}

________________________________________________________________________________________

Mathematica [A]
time = 0.33, size = 73, normalized size = 0.59 \begin {gather*} \frac {\frac {768 E\left (\left .\frac {1}{2} (e+f x)\right |2\right )}{\sqrt {\cos (e+f x)}}-317 \sin (2 (e+f x))+76 \sin (4 (e+f x))-9 \sin (6 (e+f x))}{1872 f \sqrt {b \sec (e+f x)}} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[Sin[e + f*x]^6/Sqrt[b*Sec[e + f*x]],x]

[Out]

((768*EllipticE[(e + f*x)/2, 2])/Sqrt[Cos[e + f*x]] - 317*Sin[2*(e + f*x)] + 76*Sin[4*(e + f*x)] - 9*Sin[6*(e
+ f*x)])/(1872*f*Sqrt[b*Sec[e + f*x]])

________________________________________________________________________________________

Maple [C] Result contains complex when optimal does not.
time = 0.51, size = 338, normalized size = 2.75

method result size
default \(-\frac {2 \left (-9 \left (\cos ^{8}\left (f x +e \right )\right )+24 i \EllipticE \left (\frac {i \left (-1+\cos \left (f x +e \right )\right )}{\sin \left (f x +e \right )}, i\right ) \sin \left (f x +e \right ) \cos \left (f x +e \right ) \sqrt {\frac {1}{\cos \left (f x +e \right )+1}}\, \sqrt {\frac {\cos \left (f x +e \right )}{\cos \left (f x +e \right )+1}}-24 i \sqrt {\frac {1}{\cos \left (f x +e \right )+1}}\, \sqrt {\frac {\cos \left (f x +e \right )}{\cos \left (f x +e \right )+1}}\, \EllipticF \left (\frac {i \left (-1+\cos \left (f x +e \right )\right )}{\sin \left (f x +e \right )}, i\right ) \sin \left (f x +e \right ) \cos \left (f x +e \right )+37 \left (\cos ^{6}\left (f x +e \right )\right )+24 i \sin \left (f x +e \right ) \EllipticE \left (\frac {i \left (-1+\cos \left (f x +e \right )\right )}{\sin \left (f x +e \right )}, i\right ) \sqrt {\frac {1}{\cos \left (f x +e \right )+1}}\, \sqrt {\frac {\cos \left (f x +e \right )}{\cos \left (f x +e \right )+1}}-24 i \sqrt {\frac {1}{\cos \left (f x +e \right )+1}}\, \sqrt {\frac {\cos \left (f x +e \right )}{\cos \left (f x +e \right )+1}}\, \EllipticF \left (\frac {i \left (-1+\cos \left (f x +e \right )\right )}{\sin \left (f x +e \right )}, i\right ) \sin \left (f x +e \right )-59 \left (\cos ^{4}\left (f x +e \right )\right )+55 \left (\cos ^{2}\left (f x +e \right )\right )-24 \cos \left (f x +e \right )\right ) \sqrt {\frac {b}{\cos \left (f x +e \right )}}}{117 f \sin \left (f x +e \right ) b}\) \(338\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(sin(f*x+e)^6/(b*sec(f*x+e))^(1/2),x,method=_RETURNVERBOSE)

[Out]

-2/117/f*(-9*cos(f*x+e)^8+24*I*EllipticE(I*(-1+cos(f*x+e))/sin(f*x+e),I)*sin(f*x+e)*cos(f*x+e)*(1/(cos(f*x+e)+
1))^(1/2)*(cos(f*x+e)/(cos(f*x+e)+1))^(1/2)-24*I*(1/(cos(f*x+e)+1))^(1/2)*(cos(f*x+e)/(cos(f*x+e)+1))^(1/2)*El
lipticF(I*(-1+cos(f*x+e))/sin(f*x+e),I)*sin(f*x+e)*cos(f*x+e)+37*cos(f*x+e)^6+24*I*sin(f*x+e)*EllipticE(I*(-1+
cos(f*x+e))/sin(f*x+e),I)*(1/(cos(f*x+e)+1))^(1/2)*(cos(f*x+e)/(cos(f*x+e)+1))^(1/2)-24*I*EllipticF(I*(-1+cos(
f*x+e))/sin(f*x+e),I)*(1/(cos(f*x+e)+1))^(1/2)*(cos(f*x+e)/(cos(f*x+e)+1))^(1/2)*sin(f*x+e)-59*cos(f*x+e)^4+55
*cos(f*x+e)^2-24*cos(f*x+e))*(b/cos(f*x+e))^(1/2)/sin(f*x+e)/b

________________________________________________________________________________________

Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(sin(f*x+e)^6/(b*sec(f*x+e))^(1/2),x, algorithm="maxima")

[Out]

integrate(sin(f*x + e)^6/sqrt(b*sec(f*x + e)), x)

________________________________________________________________________________________

Fricas [C] Result contains higher order function than in optimal. Order 9 vs. order 4.
time = 0.12, size = 126, normalized size = 1.02 \begin {gather*} -\frac {2 \, {\left ({\left (9 \, \cos \left (f x + e\right )^{6} - 28 \, \cos \left (f x + e\right )^{4} + 31 \, \cos \left (f x + e\right )^{2}\right )} \sqrt {\frac {b}{\cos \left (f x + e\right )}} \sin \left (f x + e\right ) - 12 i \, \sqrt {2} \sqrt {b} {\rm weierstrassZeta}\left (-4, 0, {\rm weierstrassPInverse}\left (-4, 0, \cos \left (f x + e\right ) + i \, \sin \left (f x + e\right )\right )\right ) + 12 i \, \sqrt {2} \sqrt {b} {\rm weierstrassZeta}\left (-4, 0, {\rm weierstrassPInverse}\left (-4, 0, \cos \left (f x + e\right ) - i \, \sin \left (f x + e\right )\right )\right )\right )}}{117 \, b f} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(sin(f*x+e)^6/(b*sec(f*x+e))^(1/2),x, algorithm="fricas")

[Out]

-2/117*((9*cos(f*x + e)^6 - 28*cos(f*x + e)^4 + 31*cos(f*x + e)^2)*sqrt(b/cos(f*x + e))*sin(f*x + e) - 12*I*sq
rt(2)*sqrt(b)*weierstrassZeta(-4, 0, weierstrassPInverse(-4, 0, cos(f*x + e) + I*sin(f*x + e))) + 12*I*sqrt(2)
*sqrt(b)*weierstrassZeta(-4, 0, weierstrassPInverse(-4, 0, cos(f*x + e) - I*sin(f*x + e))))/(b*f)

________________________________________________________________________________________

Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\sin ^{6}{\left (e + f x \right )}}{\sqrt {b \sec {\left (e + f x \right )}}}\, dx \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(sin(f*x+e)**6/(b*sec(f*x+e))**(1/2),x)

[Out]

Integral(sin(e + f*x)**6/sqrt(b*sec(e + f*x)), x)

________________________________________________________________________________________

Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(sin(f*x+e)^6/(b*sec(f*x+e))^(1/2),x, algorithm="giac")

[Out]

integrate(sin(f*x + e)^6/sqrt(b*sec(f*x + e)), x)

________________________________________________________________________________________

Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {{\sin \left (e+f\,x\right )}^6}{\sqrt {\frac {b}{\cos \left (e+f\,x\right )}}} \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(sin(e + f*x)^6/(b/cos(e + f*x))^(1/2),x)

[Out]

int(sin(e + f*x)^6/(b/cos(e + f*x))^(1/2), x)

________________________________________________________________________________________