3.1.21 \(\int (a+a \cos (c+d x))^3 (A+B \cos (c+d x)) \, dx\) [21]

Optimal. Leaf size=116 \[ \frac {5}{8} a^3 (4 A+3 B) x+\frac {a^3 (4 A+3 B) \sin (c+d x)}{d}+\frac {3 a^3 (4 A+3 B) \cos (c+d x) \sin (c+d x)}{8 d}+\frac {B (a+a \cos (c+d x))^3 \sin (c+d x)}{4 d}-\frac {a^3 (4 A+3 B) \sin ^3(c+d x)}{12 d} \]

[Out]

5/8*a^3*(4*A+3*B)*x+a^3*(4*A+3*B)*sin(d*x+c)/d+3/8*a^3*(4*A+3*B)*cos(d*x+c)*sin(d*x+c)/d+1/4*B*(a+a*cos(d*x+c)
)^3*sin(d*x+c)/d-1/12*a^3*(4*A+3*B)*sin(d*x+c)^3/d

________________________________________________________________________________________

Rubi [A]
time = 0.08, antiderivative size = 116, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 6, integrand size = 23, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.261, Rules used = {2830, 2724, 2717, 2715, 8, 2713} \begin {gather*} -\frac {a^3 (4 A+3 B) \sin ^3(c+d x)}{12 d}+\frac {a^3 (4 A+3 B) \sin (c+d x)}{d}+\frac {3 a^3 (4 A+3 B) \sin (c+d x) \cos (c+d x)}{8 d}+\frac {5}{8} a^3 x (4 A+3 B)+\frac {B \sin (c+d x) (a \cos (c+d x)+a)^3}{4 d} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(a + a*Cos[c + d*x])^3*(A + B*Cos[c + d*x]),x]

[Out]

(5*a^3*(4*A + 3*B)*x)/8 + (a^3*(4*A + 3*B)*Sin[c + d*x])/d + (3*a^3*(4*A + 3*B)*Cos[c + d*x]*Sin[c + d*x])/(8*
d) + (B*(a + a*Cos[c + d*x])^3*Sin[c + d*x])/(4*d) - (a^3*(4*A + 3*B)*Sin[c + d*x]^3)/(12*d)

Rule 8

Int[a_, x_Symbol] :> Simp[a*x, x] /; FreeQ[a, x]

Rule 2713

Int[sin[(c_.) + (d_.)*(x_)]^(n_), x_Symbol] :> Dist[-d^(-1), Subst[Int[Expand[(1 - x^2)^((n - 1)/2), x], x], x
, Cos[c + d*x]], x] /; FreeQ[{c, d}, x] && IGtQ[(n - 1)/2, 0]

Rule 2715

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

Rule 2717

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

Rule 2724

Int[((a_) + (b_.)*sin[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> Int[ExpandTrig[(a + b*sin[c + d*x])^n, x], x] /;
FreeQ[{a, b, c, d, n}, x] && EqQ[a^2 - b^2, 0] && IGtQ[n, 0]

Rule 2830

Int[((a_) + (b_.)*sin[(e_.) + (f_.)*(x_)])^(m_)*((c_.) + (d_.)*sin[(e_.) + (f_.)*(x_)]), x_Symbol] :> Simp[(-d
)*Cos[e + f*x]*((a + b*Sin[e + f*x])^m/(f*(m + 1))), x] + Dist[(a*d*m + b*c*(m + 1))/(b*(m + 1)), Int[(a + b*S
in[e + f*x])^m, x], x] /; FreeQ[{a, b, c, d, e, f, m}, x] && NeQ[b*c - a*d, 0] && EqQ[a^2 - b^2, 0] &&  !LtQ[m
, -2^(-1)]

Rubi steps

\begin {align*} \int (a+a \cos (c+d x))^3 (A+B \cos (c+d x)) \, dx &=\frac {B (a+a \cos (c+d x))^3 \sin (c+d x)}{4 d}+\frac {1}{4} (4 A+3 B) \int (a+a \cos (c+d x))^3 \, dx\\ &=\frac {B (a+a \cos (c+d x))^3 \sin (c+d x)}{4 d}+\frac {1}{4} (4 A+3 B) \int \left (a^3+3 a^3 \cos (c+d x)+3 a^3 \cos ^2(c+d x)+a^3 \cos ^3(c+d x)\right ) \, dx\\ &=\frac {1}{4} a^3 (4 A+3 B) x+\frac {B (a+a \cos (c+d x))^3 \sin (c+d x)}{4 d}+\frac {1}{4} \left (a^3 (4 A+3 B)\right ) \int \cos ^3(c+d x) \, dx+\frac {1}{4} \left (3 a^3 (4 A+3 B)\right ) \int \cos (c+d x) \, dx+\frac {1}{4} \left (3 a^3 (4 A+3 B)\right ) \int \cos ^2(c+d x) \, dx\\ &=\frac {1}{4} a^3 (4 A+3 B) x+\frac {3 a^3 (4 A+3 B) \sin (c+d x)}{4 d}+\frac {3 a^3 (4 A+3 B) \cos (c+d x) \sin (c+d x)}{8 d}+\frac {B (a+a \cos (c+d x))^3 \sin (c+d x)}{4 d}+\frac {1}{8} \left (3 a^3 (4 A+3 B)\right ) \int 1 \, dx-\frac {\left (a^3 (4 A+3 B)\right ) \text {Subst}\left (\int \left (1-x^2\right ) \, dx,x,-\sin (c+d x)\right )}{4 d}\\ &=\frac {5}{8} a^3 (4 A+3 B) x+\frac {a^3 (4 A+3 B) \sin (c+d x)}{d}+\frac {3 a^3 (4 A+3 B) \cos (c+d x) \sin (c+d x)}{8 d}+\frac {B (a+a \cos (c+d x))^3 \sin (c+d x)}{4 d}-\frac {a^3 (4 A+3 B) \sin ^3(c+d x)}{12 d}\\ \end {align*}

________________________________________________________________________________________

Mathematica [A]
time = 0.34, size = 86, normalized size = 0.74 \begin {gather*} \frac {a^3 (240 A d x+180 B d x+24 (15 A+13 B) \sin (c+d x)+24 (3 A+4 B) \sin (2 (c+d x))+8 A \sin (3 (c+d x))+24 B \sin (3 (c+d x))+3 B \sin (4 (c+d x)))}{96 d} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(a + a*Cos[c + d*x])^3*(A + B*Cos[c + d*x]),x]

[Out]

(a^3*(240*A*d*x + 180*B*d*x + 24*(15*A + 13*B)*Sin[c + d*x] + 24*(3*A + 4*B)*Sin[2*(c + d*x)] + 8*A*Sin[3*(c +
d*x)] + 24*B*Sin[3*(c + d*x)] + 3*B*Sin[4*(c + d*x)]))/(96*d)

________________________________________________________________________________________

Maple [A]
time = 0.13, size = 176, normalized size = 1.52

method	result	size
risch	\(\frac {5 a^{3} x A}{2}+\frac {15 a^{3} B x}{8}+\frac {15 a^{3} A \sin \left (d x +c \right )}{4 d}+\frac {13 a^{3} B \sin \left (d x +c \right )}{4 d}+\frac {\sin \left (4 d x +4 c \right ) a^{3} B}{32 d}+\frac {\sin \left (3 d x +3 c \right ) A \,a^{3}}{12 d}+\frac {\sin \left (3 d x +3 c \right ) a^{3} B}{4 d}+\frac {3 \sin \left (2 d x +2 c \right ) A \,a^{3}}{4 d}+\frac {\sin \left (2 d x +2 c \right ) a^{3} B}{d}\)	\(135\)
derivativedivides	\(\frac {a^{3} B \left (\frac {\left (\cos ^{3}\left (d x +c \right )+\frac {3 \cos \left (d x +c \right )}{2}\right ) \sin \left (d x +c \right )}{4}+\frac {3 d x}{8}+\frac {3 c}{8}\right )+\frac {A \,a^{3} \left (\cos ^{2}\left (d x +c \right )+2\right ) \sin \left (d x +c \right )}{3}+a^{3} B \left (\cos ^{2}\left (d x +c \right )+2\right ) \sin \left (d x +c \right )+3 A \,a^{3} \left (\frac {\sin \left (d x +c \right ) \cos \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )+3 a^{3} B \left (\frac {\sin \left (d x +c \right ) \cos \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )+3 A \,a^{3} \sin \left (d x +c \right )+a^{3} B \sin \left (d x +c \right )+A \,a^{3} \left (d x +c \right )}{d}\)	\(176\)
default	\(\frac {a^{3} B \left (\frac {\left (\cos ^{3}\left (d x +c \right )+\frac {3 \cos \left (d x +c \right )}{2}\right ) \sin \left (d x +c \right )}{4}+\frac {3 d x}{8}+\frac {3 c}{8}\right )+\frac {A \,a^{3} \left (\cos ^{2}\left (d x +c \right )+2\right ) \sin \left (d x +c \right )}{3}+a^{3} B \left (\cos ^{2}\left (d x +c \right )+2\right ) \sin \left (d x +c \right )+3 A \,a^{3} \left (\frac {\sin \left (d x +c \right ) \cos \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )+3 a^{3} B \left (\frac {\sin \left (d x +c \right ) \cos \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )+3 A \,a^{3} \sin \left (d x +c \right )+a^{3} B \sin \left (d x +c \right )+A \,a^{3} \left (d x +c \right )}{d}\)	\(176\)
norman	\(\frac {\frac {5 a^{3} \left (4 A +3 B \right ) x}{8}+\frac {73 a^{3} \left (4 A +3 B \right ) \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{12 d}+\frac {55 a^{3} \left (4 A +3 B \right ) \left (\tan ^{5}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{12 d}+\frac {5 a^{3} \left (4 A +3 B \right ) \left (\tan ^{7}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{4 d}+\frac {5 a^{3} \left (4 A +3 B \right ) x \left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{2}+\frac {15 a^{3} \left (4 A +3 B \right ) x \left (\tan ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{4}+\frac {5 a^{3} \left (4 A +3 B \right ) x \left (\tan ^{6}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{2}+\frac {5 a^{3} \left (4 A +3 B \right ) x \left (\tan ^{8}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{8}+\frac {a^{3} \left (44 A +49 B \right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{4 d}}{\left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )^{4}}\)	\(229\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a+a*cos(d*x+c))^3*(A+B*cos(d*x+c)),x,method=_RETURNVERBOSE)

[Out]

1/d*(a^3*B*(1/4*(cos(d*x+c)^3+3/2*cos(d*x+c))*sin(d*x+c)+3/8*d*x+3/8*c)+1/3*A*a^3*(cos(d*x+c)^2+2)*sin(d*x+c)+
a^3*B*(cos(d*x+c)^2+2)*sin(d*x+c)+3*A*a^3*(1/2*sin(d*x+c)*cos(d*x+c)+1/2*d*x+1/2*c)+3*a^3*B*(1/2*sin(d*x+c)*co
s(d*x+c)+1/2*d*x+1/2*c)+3*A*a^3*sin(d*x+c)+a^3*B*sin(d*x+c)+A*a^3*(d*x+c))

________________________________________________________________________________________

Maxima [A]
time = 0.27, size = 167, normalized size = 1.44 \begin {gather*} -\frac {32 \, {\left (\sin \left (d x + c\right )^{3} - 3 \, \sin \left (d x + c\right )\right )} A a^{3} - 72 \, {\left (2 \, d x + 2 \, c + \sin \left (2 \, d x + 2 \, c\right )\right )} A a^{3} - 96 \, {\left (d x + c\right )} A a^{3} + 96 \, {\left (\sin \left (d x + c\right )^{3} - 3 \, \sin \left (d x + c\right )\right )} B a^{3} - 3 \, {\left (12 \, d x + 12 \, c + \sin \left (4 \, d x + 4 \, c\right ) + 8 \, \sin \left (2 \, d x + 2 \, c\right )\right )} B a^{3} - 72 \, {\left (2 \, d x + 2 \, c + \sin \left (2 \, d x + 2 \, c\right )\right )} B a^{3} - 288 \, A a^{3} \sin \left (d x + c\right ) - 96 \, B a^{3} \sin \left (d x + c\right )}{96 \, d} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+a*cos(d*x+c))^3*(A+B*cos(d*x+c)),x, algorithm="maxima")

[Out]

-1/96*(32*(sin(d*x + c)^3 - 3*sin(d*x + c))*A*a^3 - 72*(2*d*x + 2*c + sin(2*d*x + 2*c))*A*a^3 - 96*(d*x + c)*A
*a^3 + 96*(sin(d*x + c)^3 - 3*sin(d*x + c))*B*a^3 - 3*(12*d*x + 12*c + sin(4*d*x + 4*c) + 8*sin(2*d*x + 2*c))*
B*a^3 - 72*(2*d*x + 2*c + sin(2*d*x + 2*c))*B*a^3 - 288*A*a^3*sin(d*x + c) - 96*B*a^3*sin(d*x + c))/d

________________________________________________________________________________________

Fricas [A]
time = 0.35, size = 90, normalized size = 0.78 \begin {gather*} \frac {15 \, {\left (4 \, A + 3 \, B\right )} a^{3} d x + {\left (6 \, B a^{3} \cos \left (d x + c\right )^{3} + 8 \, {\left (A + 3 \, B\right )} a^{3} \cos \left (d x + c\right )^{2} + 9 \, {\left (4 \, A + 5 \, B\right )} a^{3} \cos \left (d x + c\right ) + 8 \, {\left (11 \, A + 9 \, B\right )} a^{3}\right )} \sin \left (d x + c\right )}{24 \, d} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+a*cos(d*x+c))^3*(A+B*cos(d*x+c)),x, algorithm="fricas")

[Out]

1/24*(15*(4*A + 3*B)*a^3*d*x + (6*B*a^3*cos(d*x + c)^3 + 8*(A + 3*B)*a^3*cos(d*x + c)^2 + 9*(4*A + 5*B)*a^3*co
s(d*x + c) + 8*(11*A + 9*B)*a^3)*sin(d*x + c))/d

________________________________________________________________________________________

Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 371 vs. \(2 (107) = 214\).
time = 0.22, size = 371, normalized size = 3.20 \begin {gather*} \begin {cases} \frac {3 A a^{3} x \sin ^{2}{\left (c + d x \right )}}{2} + \frac {3 A a^{3} x \cos ^{2}{\left (c + d x \right )}}{2} + A a^{3} x + \frac {2 A a^{3} \sin ^{3}{\left (c + d x \right )}}{3 d} + \frac {A a^{3} \sin {\left (c + d x \right )} \cos ^{2}{\left (c + d x \right )}}{d} + \frac {3 A a^{3} \sin {\left (c + d x \right )} \cos {\left (c + d x \right )}}{2 d} + \frac {3 A a^{3} \sin {\left (c + d x \right )}}{d} + \frac {3 B a^{3} x \sin ^{4}{\left (c + d x \right )}}{8} + \frac {3 B a^{3} x \sin ^{2}{\left (c + d x \right )} \cos ^{2}{\left (c + d x \right )}}{4} + \frac {3 B a^{3} x \sin ^{2}{\left (c + d x \right )}}{2} + \frac {3 B a^{3} x \cos ^{4}{\left (c + d x \right )}}{8} + \frac {3 B a^{3} x \cos ^{2}{\left (c + d x \right )}}{2} + \frac {3 B a^{3} \sin ^{3}{\left (c + d x \right )} \cos {\left (c + d x \right )}}{8 d} + \frac {2 B a^{3} \sin ^{3}{\left (c + d x \right )}}{d} + \frac {5 B a^{3} \sin {\left (c + d x \right )} \cos ^{3}{\left (c + d x \right )}}{8 d} + \frac {3 B a^{3} \sin {\left (c + d x \right )} \cos ^{2}{\left (c + d x \right )}}{d} + \frac {3 B a^{3} \sin {\left (c + d x \right )} \cos {\left (c + d x \right )}}{2 d} + \frac {B a^{3} \sin {\left (c + d x \right )}}{d} & \text {for}\: d \neq 0 \\x \left (A + B \cos {\left (c \right )}\right ) \left (a \cos {\left (c \right )} + a\right )^{3} & \text {otherwise} \end {cases} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+a*cos(d*x+c))**3*(A+B*cos(d*x+c)),x)

[Out]

Piecewise((3*A*a**3*x*sin(c + d*x)**2/2 + 3*A*a**3*x*cos(c + d*x)**2/2 + A*a**3*x + 2*A*a**3*sin(c + d*x)**3/(
3*d) + A*a**3*sin(c + d*x)*cos(c + d*x)**2/d + 3*A*a**3*sin(c + d*x)*cos(c + d*x)/(2*d) + 3*A*a**3*sin(c + d*x
)/d + 3*B*a**3*x*sin(c + d*x)**4/8 + 3*B*a**3*x*sin(c + d*x)**2*cos(c + d*x)**2/4 + 3*B*a**3*x*sin(c + d*x)**2
/2 + 3*B*a**3*x*cos(c + d*x)**4/8 + 3*B*a**3*x*cos(c + d*x)**2/2 + 3*B*a**3*sin(c + d*x)**3*cos(c + d*x)/(8*d)
+ 2*B*a**3*sin(c + d*x)**3/d + 5*B*a**3*sin(c + d*x)*cos(c + d*x)**3/(8*d) + 3*B*a**3*sin(c + d*x)*cos(c + d*
x)**2/d + 3*B*a**3*sin(c + d*x)*cos(c + d*x)/(2*d) + B*a**3*sin(c + d*x)/d, Ne(d, 0)), (x*(A + B*cos(c))*(a*co
s(c) + a)**3, True))

________________________________________________________________________________________

Giac [A]
time = 0.49, size = 112, normalized size = 0.97 \begin {gather*} \frac {B a^{3} \sin \left (4 \, d x + 4 \, c\right )}{32 \, d} + \frac {5}{8} \, {\left (4 \, A a^{3} + 3 \, B a^{3}\right )} x + \frac {{\left (A a^{3} + 3 \, B a^{3}\right )} \sin \left (3 \, d x + 3 \, c\right )}{12 \, d} + \frac {{\left (3 \, A a^{3} + 4 \, B a^{3}\right )} \sin \left (2 \, d x + 2 \, c\right )}{4 \, d} + \frac {{\left (15 \, A a^{3} + 13 \, B a^{3}\right )} \sin \left (d x + c\right )}{4 \, d} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+a*cos(d*x+c))^3*(A+B*cos(d*x+c)),x, algorithm="giac")

[Out]

1/32*B*a^3*sin(4*d*x + 4*c)/d + 5/8*(4*A*a^3 + 3*B*a^3)*x + 1/12*(A*a^3 + 3*B*a^3)*sin(3*d*x + 3*c)/d + 1/4*(3
*A*a^3 + 4*B*a^3)*sin(2*d*x + 2*c)/d + 1/4*(15*A*a^3 + 13*B*a^3)*sin(d*x + c)/d

________________________________________________________________________________________

Mupad [B]
time = 0.27, size = 134, normalized size = 1.16 \begin {gather*} \frac {5\,A\,a^3\,x}{2}+\frac {15\,B\,a^3\,x}{8}+\frac {15\,A\,a^3\,\sin \left (c+d\,x\right )}{4\,d}+\frac {13\,B\,a^3\,\sin \left (c+d\,x\right )}{4\,d}+\frac {3\,A\,a^3\,\sin \left (2\,c+2\,d\,x\right )}{4\,d}+\frac {A\,a^3\,\sin \left (3\,c+3\,d\,x\right )}{12\,d}+\frac {B\,a^3\,\sin \left (2\,c+2\,d\,x\right )}{d}+\frac {B\,a^3\,\sin \left (3\,c+3\,d\,x\right )}{4\,d}+\frac {B\,a^3\,\sin \left (4\,c+4\,d\,x\right )}{32\,d} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((A + B*cos(c + d*x))*(a + a*cos(c + d*x))^3,x)

[Out]

(5*A*a^3*x)/2 + (15*B*a^3*x)/8 + (15*A*a^3*sin(c + d*x))/(4*d) + (13*B*a^3*sin(c + d*x))/(4*d) + (3*A*a^3*sin(
2*c + 2*d*x))/(4*d) + (A*a^3*sin(3*c + 3*d*x))/(12*d) + (B*a^3*sin(2*c + 2*d*x))/d + (B*a^3*sin(3*c + 3*d*x))/
(4*d) + (B*a^3*sin(4*c + 4*d*x))/(32*d)

________________________________________________________________________________________