3.247 \(\int \frac{1}{(2 \cos (c+d x)+3 \sin (c+d x))^{7/2}} \, dx\)

Optimal. Leaf size=120 \[ -\frac{6 (3 \cos (c+d x)-2 \sin (c+d x))}{845 d \sqrt{3 \sin (c+d x)+2 \cos (c+d x)}}-\frac{2 (3 \cos (c+d x)-2 \sin (c+d x))}{65 d (3 \sin (c+d x)+2 \cos (c+d x))^{5/2}}-\frac{6 E\left (\left .\frac{1}{2} \left (c+d x-\tan ^{-1}\left (\frac{3}{2}\right )\right )\right |2\right )}{65\ 13^{3/4} d} \]

[Out]

(-6*EllipticE[(c + d*x - ArcTan[3/2])/2, 2])/(65*13^(3/4)*d) - (2*(3*Cos[c + d*x] - 2*Sin[c + d*x]))/(65*d*(2*
Cos[c + d*x] + 3*Sin[c + d*x])^(5/2)) - (6*(3*Cos[c + d*x] - 2*Sin[c + d*x]))/(845*d*Sqrt[2*Cos[c + d*x] + 3*S
in[c + d*x]])

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Rubi [A]  time = 0.0636797, antiderivative size = 120, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.143, Rules used = {3076, 3077, 2639} \[ -\frac{6 (3 \cos (c+d x)-2 \sin (c+d x))}{845 d \sqrt{3 \sin (c+d x)+2 \cos (c+d x)}}-\frac{2 (3 \cos (c+d x)-2 \sin (c+d x))}{65 d (3 \sin (c+d x)+2 \cos (c+d x))^{5/2}}-\frac{6 E\left (\left .\frac{1}{2} \left (c+d x-\tan ^{-1}\left (\frac{3}{2}\right )\right )\right |2\right )}{65\ 13^{3/4} d} \]

Antiderivative was successfully verified.

[In]

Int[(2*Cos[c + d*x] + 3*Sin[c + d*x])^(-7/2),x]

[Out]

(-6*EllipticE[(c + d*x - ArcTan[3/2])/2, 2])/(65*13^(3/4)*d) - (2*(3*Cos[c + d*x] - 2*Sin[c + d*x]))/(65*d*(2*
Cos[c + d*x] + 3*Sin[c + d*x])^(5/2)) - (6*(3*Cos[c + d*x] - 2*Sin[c + d*x]))/(845*d*Sqrt[2*Cos[c + d*x] + 3*S
in[c + d*x]])

Rule 3076

Int[(cos[(c_.) + (d_.)*(x_)]*(a_.) + (b_.)*sin[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> Simp[((b*Cos[c + d*x] -
a*Sin[c + d*x])*(a*Cos[c + d*x] + b*Sin[c + d*x])^(n + 1))/(d*(n + 1)*(a^2 + b^2)), x] + Dist[(n + 2)/((n + 1
)*(a^2 + b^2)), Int[(a*Cos[c + d*x] + b*Sin[c + d*x])^(n + 2), x], x] /; FreeQ[{a, b, c, d}, x] && NeQ[a^2 + b
^2, 0] && LtQ[n, -1] && NeQ[n, -2]

Rule 3077

Int[(cos[(c_.) + (d_.)*(x_)]*(a_.) + (b_.)*sin[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> Dist[(a^2 + b^2)^(n/2),
Int[Cos[c + d*x - ArcTan[a, b]]^n, x], x] /; FreeQ[{a, b, c, d, n}, x] &&  !(GeQ[n, 1] || LeQ[n, -1]) && GtQ[
a^2 + b^2, 0]

Rule 2639

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

Rubi steps

\begin{align*} \int \frac{1}{(2 \cos (c+d x)+3 \sin (c+d x))^{7/2}} \, dx &=-\frac{2 (3 \cos (c+d x)-2 \sin (c+d x))}{65 d (2 \cos (c+d x)+3 \sin (c+d x))^{5/2}}+\frac{3}{65} \int \frac{1}{(2 \cos (c+d x)+3 \sin (c+d x))^{3/2}} \, dx\\ &=-\frac{2 (3 \cos (c+d x)-2 \sin (c+d x))}{65 d (2 \cos (c+d x)+3 \sin (c+d x))^{5/2}}-\frac{6 (3 \cos (c+d x)-2 \sin (c+d x))}{845 d \sqrt{2 \cos (c+d x)+3 \sin (c+d x)}}-\frac{3}{845} \int \sqrt{2 \cos (c+d x)+3 \sin (c+d x)} \, dx\\ &=-\frac{2 (3 \cos (c+d x)-2 \sin (c+d x))}{65 d (2 \cos (c+d x)+3 \sin (c+d x))^{5/2}}-\frac{6 (3 \cos (c+d x)-2 \sin (c+d x))}{845 d \sqrt{2 \cos (c+d x)+3 \sin (c+d x)}}-\frac{3 \int \sqrt{\cos \left (c+d x-\tan ^{-1}\left (\frac{3}{2}\right )\right )} \, dx}{65\ 13^{3/4}}\\ &=-\frac{6 E\left (\left .\frac{1}{2} \left (c+d x-\tan ^{-1}\left (\frac{3}{2}\right )\right )\right |2\right )}{65\ 13^{3/4} d}-\frac{2 (3 \cos (c+d x)-2 \sin (c+d x))}{65 d (2 \cos (c+d x)+3 \sin (c+d x))^{5/2}}-\frac{6 (3 \cos (c+d x)-2 \sin (c+d x))}{845 d \sqrt{2 \cos (c+d x)+3 \sin (c+d x)}}\\ \end{align*}

Mathematica [C]  time = 2.10189, size = 224, normalized size = 1.87 \[ \frac{\frac{3 \sin \left (c+d x-\tan ^{-1}\left (\frac{3}{2}\right )\right ) \text{HypergeometricPFQ}\left (\left \{-\frac{1}{2},-\frac{1}{4}\right \},\left \{\frac{3}{4}\right \},\cos ^2\left (c+d x-\tan ^{-1}\left (\frac{3}{2}\right )\right )\right )}{13^{3/4} \sqrt{-\left (\cos \left (c+d x-\tan ^{-1}\left (\frac{3}{2}\right )\right )-1\right ) \cos \left (c+d x-\tan ^{-1}\left (\frac{3}{2}\right )\right )} \sqrt{\cos \left (c+d x-\tan ^{-1}\left (\frac{3}{2}\right )\right )+1}}+\frac{-4 (\sin (c+d x)+3 \sin (3 (c+d x)))-33 \cos (c+d x)+5 \cos (3 (c+d x))}{2 (3 \sin (c+d x)+2 \cos (c+d x))^{5/2}}+\frac{4 \sqrt{\cos \left (c+d x-\tan ^{-1}\left (\frac{3}{2}\right )\right )}}{13^{3/4}}-\frac{3 \sin \left (c+d x-\tan ^{-1}\left (\frac{3}{2}\right )\right )}{13^{3/4} \sqrt{\cos \left (c+d x-\tan ^{-1}\left (\frac{3}{2}\right )\right )}}}{65 d} \]

Warning: Unable to verify antiderivative.

[In]

Integrate[(2*Cos[c + d*x] + 3*Sin[c + d*x])^(-7/2),x]

[Out]

((4*Sqrt[Cos[c + d*x - ArcTan[3/2]]])/13^(3/4) + (-33*Cos[c + d*x] + 5*Cos[3*(c + d*x)] - 4*(Sin[c + d*x] + 3*
Sin[3*(c + d*x)]))/(2*(2*Cos[c + d*x] + 3*Sin[c + d*x])^(5/2)) - (3*Sin[c + d*x - ArcTan[3/2]])/(13^(3/4)*Sqrt
[Cos[c + d*x - ArcTan[3/2]]]) + (3*HypergeometricPFQ[{-1/2, -1/4}, {3/4}, Cos[c + d*x - ArcTan[3/2]]^2]*Sin[c
+ d*x - ArcTan[3/2]])/(13^(3/4)*Sqrt[-((-1 + Cos[c + d*x - ArcTan[3/2]])*Cos[c + d*x - ArcTan[3/2]])]*Sqrt[1 +
Cos[c + d*x - ArcTan[3/2]]]))/(65*d)

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Maple [A]  time = 1.348, size = 205, normalized size = 1.7 \begin{align*}{\frac{\sqrt{13}}{845\, \left ( \sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) \right ) ^{2}\cos \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) d} \left ( 6\,\sqrt{1+\sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) }\sqrt{-2\,\sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) +2}\sqrt{-\sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) } \left ( \sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) \right ) ^{2}{\it EllipticE} \left ( \sqrt{1+\sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) },1/2\,\sqrt{2} \right ) -3\,\sqrt{1+\sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) }\sqrt{-2\,\sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) +2}\sqrt{-\sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) } \left ( \sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) \right ) ^{2}{\it EllipticF} \left ( \sqrt{1+\sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) },1/2\,\sqrt{2} \right ) +6\, \left ( \sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) \right ) ^{4}-4\, \left ( \sin \left ( dx+c+\arctan \left ( 2/3 \right ) \right ) \right ) ^{2}-2 \right ){\frac{1}{\sqrt{\sqrt{13}\sin \left ( dx+c+\arctan \left ({\frac{2}{3}} \right ) \right ) }}}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(2*cos(d*x+c)+3*sin(d*x+c))^(7/2),x)

[Out]

1/845*13^(1/2)/sin(d*x+c+arctan(2/3))^2*(6*(1+sin(d*x+c+arctan(2/3)))^(1/2)*(-2*sin(d*x+c+arctan(2/3))+2)^(1/2
)*(-sin(d*x+c+arctan(2/3)))^(1/2)*sin(d*x+c+arctan(2/3))^2*EllipticE((1+sin(d*x+c+arctan(2/3)))^(1/2),1/2*2^(1
/2))-3*(1+sin(d*x+c+arctan(2/3)))^(1/2)*(-2*sin(d*x+c+arctan(2/3))+2)^(1/2)*(-sin(d*x+c+arctan(2/3)))^(1/2)*si
n(d*x+c+arctan(2/3))^2*EllipticF((1+sin(d*x+c+arctan(2/3)))^(1/2),1/2*2^(1/2))+6*sin(d*x+c+arctan(2/3))^4-4*si
n(d*x+c+arctan(2/3))^2-2)/cos(d*x+c+arctan(2/3))/(13^(1/2)*sin(d*x+c+arctan(2/3)))^(1/2)/d

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Maxima [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{{\left (2 \, \cos \left (d x + c\right ) + 3 \, \sin \left (d x + c\right )\right )}^{\frac{7}{2}}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(2*cos(d*x+c)+3*sin(d*x+c))^(7/2),x, algorithm="maxima")

[Out]

integrate((2*cos(d*x + c) + 3*sin(d*x + c))^(-7/2), x)

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Fricas [F]  time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (-\frac{\sqrt{2 \, \cos \left (d x + c\right ) + 3 \, \sin \left (d x + c\right )}}{119 \, \cos \left (d x + c\right )^{4} - 54 \, \cos \left (d x + c\right )^{2} + 24 \,{\left (5 \, \cos \left (d x + c\right )^{3} - 9 \, \cos \left (d x + c\right )\right )} \sin \left (d x + c\right ) - 81}, x\right ) \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(2*cos(d*x+c)+3*sin(d*x+c))^(7/2),x, algorithm="fricas")

[Out]

integral(-sqrt(2*cos(d*x + c) + 3*sin(d*x + c))/(119*cos(d*x + c)^4 - 54*cos(d*x + c)^2 + 24*(5*cos(d*x + c)^3
- 9*cos(d*x + c))*sin(d*x + c) - 81), x)

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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.

[In]

integrate(1/(2*cos(d*x+c)+3*sin(d*x+c))**(7/2),x)

[Out]

Timed out

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Giac [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{{\left (2 \, \cos \left (d x + c\right ) + 3 \, \sin \left (d x + c\right )\right )}^{\frac{7}{2}}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(2*cos(d*x+c)+3*sin(d*x+c))^(7/2),x, algorithm="giac")

[Out]

integrate((2*cos(d*x + c) + 3*sin(d*x + c))^(-7/2), x)