3.131 \(\int \cos (a+b x) \sin ^5(2 a+2 b x) \, dx\)

Optimal. Leaf size=46 \[ -\frac{32 \cos ^{11}(a+b x)}{11 b}+\frac{64 \cos ^9(a+b x)}{9 b}-\frac{32 \cos ^7(a+b x)}{7 b} \]

[Out]

(-32*Cos[a + b*x]^7)/(7*b) + (64*Cos[a + b*x]^9)/(9*b) - (32*Cos[a + b*x]^11)/(11*b)

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Rubi [A]  time = 0.0554593, antiderivative size = 46, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.167, Rules used = {4287, 2565, 270} \[ -\frac{32 \cos ^{11}(a+b x)}{11 b}+\frac{64 \cos ^9(a+b x)}{9 b}-\frac{32 \cos ^7(a+b x)}{7 b} \]

Antiderivative was successfully verified.

[In]

Int[Cos[a + b*x]*Sin[2*a + 2*b*x]^5,x]

[Out]

(-32*Cos[a + b*x]^7)/(7*b) + (64*Cos[a + b*x]^9)/(9*b) - (32*Cos[a + b*x]^11)/(11*b)

Rule 4287

Int[(cos[(a_.) + (b_.)*(x_)]*(e_.))^(m_.)*sin[(c_.) + (d_.)*(x_)]^(p_.), x_Symbol] :> Dist[2^p/e^p, Int[(e*Cos
[a + b*x])^(m + p)*Sin[a + b*x]^p, x], x] /; FreeQ[{a, b, c, d, e, m}, x] && EqQ[b*c - a*d, 0] && EqQ[d/b, 2]
&& IntegerQ[p]

Rule 2565

Int[(cos[(e_.) + (f_.)*(x_)]*(a_.))^(m_.)*sin[(e_.) + (f_.)*(x_)]^(n_.), x_Symbol] :> -Dist[(a*f)^(-1), Subst[
Int[x^m*(1 - x^2/a^2)^((n - 1)/2), x], x, a*Cos[e + f*x]], x] /; FreeQ[{a, e, f, m}, x] && IntegerQ[(n - 1)/2]
&&  !(IntegerQ[(m - 1)/2] && GtQ[m, 0] && LeQ[m, n])

Rule 270

Int[((c_.)*(x_))^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_.), x_Symbol] :> Int[ExpandIntegrand[(c*x)^m*(a + b*x^n)^p,
x], x] /; FreeQ[{a, b, c, m, n}, x] && IGtQ[p, 0]

Rubi steps

\begin{align*} \int \cos (a+b x) \sin ^5(2 a+2 b x) \, dx &=32 \int \cos ^6(a+b x) \sin ^5(a+b x) \, dx\\ &=-\frac{32 \operatorname{Subst}\left (\int x^6 \left (1-x^2\right )^2 \, dx,x,\cos (a+b x)\right )}{b}\\ &=-\frac{32 \operatorname{Subst}\left (\int \left (x^6-2 x^8+x^{10}\right ) \, dx,x,\cos (a+b x)\right )}{b}\\ &=-\frac{32 \cos ^7(a+b x)}{7 b}+\frac{64 \cos ^9(a+b x)}{9 b}-\frac{32 \cos ^{11}(a+b x)}{11 b}\\ \end{align*}

Mathematica [A]  time = 0.264445, size = 37, normalized size = 0.8 \[ \frac{4 \cos ^7(a+b x) (364 \cos (2 (a+b x))-63 \cos (4 (a+b x))-365)}{693 b} \]

Antiderivative was successfully verified.

[In]

Integrate[Cos[a + b*x]*Sin[2*a + 2*b*x]^5,x]

[Out]

(4*Cos[a + b*x]^7*(-365 + 364*Cos[2*(a + b*x)] - 63*Cos[4*(a + b*x)]))/(693*b)

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Maple [B]  time = 0.023, size = 83, normalized size = 1.8 \begin{align*} -{\frac{5\,\cos \left ( bx+a \right ) }{16\,b}}-{\frac{5\,\cos \left ( 3\,bx+3\,a \right ) }{48\,b}}+{\frac{\cos \left ( 5\,bx+5\,a \right ) }{32\,b}}+{\frac{5\,\cos \left ( 7\,bx+7\,a \right ) }{224\,b}}-{\frac{\cos \left ( 9\,bx+9\,a \right ) }{288\,b}}-{\frac{\cos \left ( 11\,bx+11\,a \right ) }{352\,b}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(cos(b*x+a)*sin(2*b*x+2*a)^5,x)

[Out]

-5/16*cos(b*x+a)/b-5/48*cos(3*b*x+3*a)/b+1/32*cos(5*b*x+5*a)/b+5/224*cos(7*b*x+7*a)/b-1/288*cos(9*b*x+9*a)/b-1
/352*cos(11*b*x+11*a)/b

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Maxima [A]  time = 1.02742, size = 93, normalized size = 2.02 \begin{align*} -\frac{63 \, \cos \left (11 \, b x + 11 \, a\right ) + 77 \, \cos \left (9 \, b x + 9 \, a\right ) - 495 \, \cos \left (7 \, b x + 7 \, a\right ) - 693 \, \cos \left (5 \, b x + 5 \, a\right ) + 2310 \, \cos \left (3 \, b x + 3 \, a\right ) + 6930 \, \cos \left (b x + a\right )}{22176 \, b} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(cos(b*x+a)*sin(2*b*x+2*a)^5,x, algorithm="maxima")

[Out]

-1/22176*(63*cos(11*b*x + 11*a) + 77*cos(9*b*x + 9*a) - 495*cos(7*b*x + 7*a) - 693*cos(5*b*x + 5*a) + 2310*cos
(3*b*x + 3*a) + 6930*cos(b*x + a))/b

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Fricas [A]  time = 0.50379, size = 99, normalized size = 2.15 \begin{align*} -\frac{32 \,{\left (63 \, \cos \left (b x + a\right )^{11} - 154 \, \cos \left (b x + a\right )^{9} + 99 \, \cos \left (b x + a\right )^{7}\right )}}{693 \, b} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(cos(b*x+a)*sin(2*b*x+2*a)^5,x, algorithm="fricas")

[Out]

-32/693*(63*cos(b*x + a)^11 - 154*cos(b*x + a)^9 + 99*cos(b*x + a)^7)/b

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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(cos(b*x+a)*sin(2*b*x+2*a)**5,x)

[Out]

Timed out

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Giac [B]  time = 1.38627, size = 111, normalized size = 2.41 \begin{align*} -\frac{\cos \left (11 \, b x + 11 \, a\right )}{352 \, b} - \frac{\cos \left (9 \, b x + 9 \, a\right )}{288 \, b} + \frac{5 \, \cos \left (7 \, b x + 7 \, a\right )}{224 \, b} + \frac{\cos \left (5 \, b x + 5 \, a\right )}{32 \, b} - \frac{5 \, \cos \left (3 \, b x + 3 \, a\right )}{48 \, b} - \frac{5 \, \cos \left (b x + a\right )}{16 \, b} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(cos(b*x+a)*sin(2*b*x+2*a)^5,x, algorithm="giac")

[Out]

-1/352*cos(11*b*x + 11*a)/b - 1/288*cos(9*b*x + 9*a)/b + 5/224*cos(7*b*x + 7*a)/b + 1/32*cos(5*b*x + 5*a)/b -
5/48*cos(3*b*x + 3*a)/b - 5/16*cos(b*x + a)/b