3.11 \(\int (a+a \cos (c+d x))^2 (A+C \cos ^2(c+d x)) \, dx\)

Optimal. Leaf size=123 \[ \frac {a^2 (12 A+7 C) \sin (c+d x)}{6 d}+\frac {a^2 (12 A+7 C) \sin (c+d x) \cos (c+d x)}{24 d}+\frac {1}{8} a^2 x (12 A+7 C)+\frac {C \sin (c+d x) (a \cos (c+d x)+a)^3}{4 a d}-\frac {C \sin (c+d x) (a \cos (c+d x)+a)^2}{12 d} \]

[Out]

1/8*a^2*(12*A+7*C)*x+1/6*a^2*(12*A+7*C)*sin(d*x+c)/d+1/24*a^2*(12*A+7*C)*cos(d*x+c)*sin(d*x+c)/d-1/12*C*(a+a*c
os(d*x+c))^2*sin(d*x+c)/d+1/4*C*(a+a*cos(d*x+c))^3*sin(d*x+c)/a/d

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Rubi [A]  time = 0.14, antiderivative size = 123, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 25, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.120, Rules used = {3024, 2751, 2644} \[ \frac {a^2 (12 A+7 C) \sin (c+d x)}{6 d}+\frac {a^2 (12 A+7 C) \sin (c+d x) \cos (c+d x)}{24 d}+\frac {1}{8} a^2 x (12 A+7 C)+\frac {C \sin (c+d x) (a \cos (c+d x)+a)^3}{4 a d}-\frac {C \sin (c+d x) (a \cos (c+d x)+a)^2}{12 d} \]

Antiderivative was successfully verified.

[In]

Int[(a + a*Cos[c + d*x])^2*(A + C*Cos[c + d*x]^2),x]

[Out]

(a^2*(12*A + 7*C)*x)/8 + (a^2*(12*A + 7*C)*Sin[c + d*x])/(6*d) + (a^2*(12*A + 7*C)*Cos[c + d*x]*Sin[c + d*x])/
(24*d) - (C*(a + a*Cos[c + d*x])^2*Sin[c + d*x])/(12*d) + (C*(a + a*Cos[c + d*x])^3*Sin[c + d*x])/(4*a*d)

Rule 2644

Int[((a_) + (b_.)*sin[(c_.) + (d_.)*(x_)])^2, x_Symbol] :> Simp[((2*a^2 + b^2)*x)/2, x] + (-Simp[(2*a*b*Cos[c
+ d*x])/d, x] - Simp[(b^2*Cos[c + d*x]*Sin[c + d*x])/(2*d), x]) /; FreeQ[{a, b, c, d}, x]

Rule 2751

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*Sin
[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)]

Rule 3024

Int[((a_) + (b_.)*sin[(e_.) + (f_.)*(x_)])^(m_.)*((A_.) + (C_.)*sin[(e_.) + (f_.)*(x_)]^2), x_Symbol] :> -Simp
[(C*Cos[e + f*x]*(a + b*Sin[e + f*x])^(m + 1))/(b*f*(m + 2)), x] + Dist[1/(b*(m + 2)), Int[(a + b*Sin[e + f*x]
)^m*Simp[A*b*(m + 2) + b*C*(m + 1) - a*C*Sin[e + f*x], x], x], x] /; FreeQ[{a, b, e, f, A, C, m}, x] &&  !LtQ[
m, -1]

Rubi steps

\begin {align*} \int (a+a \cos (c+d x))^2 \left (A+C \cos ^2(c+d x)\right ) \, dx &=\frac {C (a+a \cos (c+d x))^3 \sin (c+d x)}{4 a d}+\frac {\int (a+a \cos (c+d x))^2 (a (4 A+3 C)-a C \cos (c+d x)) \, dx}{4 a}\\ &=-\frac {C (a+a \cos (c+d x))^2 \sin (c+d x)}{12 d}+\frac {C (a+a \cos (c+d x))^3 \sin (c+d x)}{4 a d}+\frac {1}{12} (12 A+7 C) \int (a+a \cos (c+d x))^2 \, dx\\ &=\frac {1}{8} a^2 (12 A+7 C) x+\frac {a^2 (12 A+7 C) \sin (c+d x)}{6 d}+\frac {a^2 (12 A+7 C) \cos (c+d x) \sin (c+d x)}{24 d}-\frac {C (a+a \cos (c+d x))^2 \sin (c+d x)}{12 d}+\frac {C (a+a \cos (c+d x))^3 \sin (c+d x)}{4 a d}\\ \end {align*}

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Mathematica [A]  time = 0.27, size = 73, normalized size = 0.59 \[ \frac {a^2 (48 (4 A+3 C) \sin (c+d x)+24 (A+2 C) \sin (2 (c+d x))+144 A d x+16 C \sin (3 (c+d x))+3 C \sin (4 (c+d x))+84 C d x)}{96 d} \]

Antiderivative was successfully verified.

[In]

Integrate[(a + a*Cos[c + d*x])^2*(A + C*Cos[c + d*x]^2),x]

[Out]

(a^2*(144*A*d*x + 84*C*d*x + 48*(4*A + 3*C)*Sin[c + d*x] + 24*(A + 2*C)*Sin[2*(c + d*x)] + 16*C*Sin[3*(c + d*x
)] + 3*C*Sin[4*(c + d*x)]))/(96*d)

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fricas [A]  time = 0.54, size = 86, normalized size = 0.70 \[ \frac {3 \, {\left (12 \, A + 7 \, C\right )} a^{2} d x + {\left (6 \, C a^{2} \cos \left (d x + c\right )^{3} + 16 \, C a^{2} \cos \left (d x + c\right )^{2} + 3 \, {\left (4 \, A + 7 \, C\right )} a^{2} \cos \left (d x + c\right ) + 16 \, {\left (3 \, A + 2 \, C\right )} a^{2}\right )} \sin \left (d x + c\right )}{24 \, d} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+a*cos(d*x+c))^2*(A+C*cos(d*x+c)^2),x, algorithm="fricas")

[Out]

1/24*(3*(12*A + 7*C)*a^2*d*x + (6*C*a^2*cos(d*x + c)^3 + 16*C*a^2*cos(d*x + c)^2 + 3*(4*A + 7*C)*a^2*cos(d*x +
c) + 16*(3*A + 2*C)*a^2)*sin(d*x + c))/d

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giac [A]  time = 1.39, size = 103, normalized size = 0.84 \[ \frac {C a^{2} \sin \left (4 \, d x + 4 \, c\right )}{32 \, d} + \frac {C a^{2} \sin \left (3 \, d x + 3 \, c\right )}{6 \, d} + \frac {1}{8} \, {\left (12 \, A a^{2} + 7 \, C a^{2}\right )} x + \frac {{\left (A a^{2} + 2 \, C a^{2}\right )} \sin \left (2 \, d x + 2 \, c\right )}{4 \, d} + \frac {{\left (4 \, A a^{2} + 3 \, C a^{2}\right )} \sin \left (d x + c\right )}{2 \, d} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+a*cos(d*x+c))^2*(A+C*cos(d*x+c)^2),x, algorithm="giac")

[Out]

1/32*C*a^2*sin(4*d*x + 4*c)/d + 1/6*C*a^2*sin(3*d*x + 3*c)/d + 1/8*(12*A*a^2 + 7*C*a^2)*x + 1/4*(A*a^2 + 2*C*a
^2)*sin(2*d*x + 2*c)/d + 1/2*(4*A*a^2 + 3*C*a^2)*sin(d*x + c)/d

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maple [A]  time = 0.22, size = 142, normalized size = 1.15 \[ \frac {a^{2} C \left (\frac {\left (\cos ^{3}\left (d x +c \right )+\frac {3 \cos \left (d x +c \right )}{2}\right ) \sin \left (d x +c \right )}{4}+\frac {3 d x}{8}+\frac {3 c}{8}\right )+\frac {2 a^{2} C \left (2+\cos ^{2}\left (d x +c \right )\right ) \sin \left (d x +c \right )}{3}+a^{2} A \left (\frac {\cos \left (d x +c \right ) \sin \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )+a^{2} C \left (\frac {\cos \left (d x +c \right ) \sin \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )+2 a^{2} A \sin \left (d x +c \right )+a^{2} A \left (d x +c \right )}{d} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a+a*cos(d*x+c))^2*(A+C*cos(d*x+c)^2),x)

[Out]

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

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maxima [A]  time = 0.71, size = 132, normalized size = 1.07 \[ \frac {24 \, {\left (2 \, d x + 2 \, c + \sin \left (2 \, d x + 2 \, c\right )\right )} A a^{2} + 96 \, {\left (d x + c\right )} A a^{2} - 64 \, {\left (\sin \left (d x + c\right )^{3} - 3 \, \sin \left (d x + c\right )\right )} C a^{2} + 3 \, {\left (12 \, d x + 12 \, c + \sin \left (4 \, d x + 4 \, c\right ) + 8 \, \sin \left (2 \, d x + 2 \, c\right )\right )} C a^{2} + 24 \, {\left (2 \, d x + 2 \, c + \sin \left (2 \, d x + 2 \, c\right )\right )} C a^{2} + 192 \, A a^{2} \sin \left (d x + c\right )}{96 \, d} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+a*cos(d*x+c))^2*(A+C*cos(d*x+c)^2),x, algorithm="maxima")

[Out]

1/96*(24*(2*d*x + 2*c + sin(2*d*x + 2*c))*A*a^2 + 96*(d*x + c)*A*a^2 - 64*(sin(d*x + c)^3 - 3*sin(d*x + c))*C*
a^2 + 3*(12*d*x + 12*c + sin(4*d*x + 4*c) + 8*sin(2*d*x + 2*c))*C*a^2 + 24*(2*d*x + 2*c + sin(2*d*x + 2*c))*C*
a^2 + 192*A*a^2*sin(d*x + c))/d

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mupad [B]  time = 0.92, size = 117, normalized size = 0.95 \[ \frac {3\,A\,a^2\,x}{2}+\frac {7\,C\,a^2\,x}{8}+\frac {2\,A\,a^2\,\sin \left (c+d\,x\right )}{d}+\frac {3\,C\,a^2\,\sin \left (c+d\,x\right )}{2\,d}+\frac {A\,a^2\,\sin \left (2\,c+2\,d\,x\right )}{4\,d}+\frac {C\,a^2\,\sin \left (2\,c+2\,d\,x\right )}{2\,d}+\frac {C\,a^2\,\sin \left (3\,c+3\,d\,x\right )}{6\,d}+\frac {C\,a^2\,\sin \left (4\,c+4\,d\,x\right )}{32\,d} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((A + C*cos(c + d*x)^2)*(a + a*cos(c + d*x))^2,x)

[Out]

(3*A*a^2*x)/2 + (7*C*a^2*x)/8 + (2*A*a^2*sin(c + d*x))/d + (3*C*a^2*sin(c + d*x))/(2*d) + (A*a^2*sin(2*c + 2*d
*x))/(4*d) + (C*a^2*sin(2*c + 2*d*x))/(2*d) + (C*a^2*sin(3*c + 3*d*x))/(6*d) + (C*a^2*sin(4*c + 4*d*x))/(32*d)

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sympy [A]  time = 1.24, size = 309, normalized size = 2.51 \[ \begin {cases} \frac {A a^{2} x \sin ^{2}{\left (c + d x \right )}}{2} + \frac {A a^{2} x \cos ^{2}{\left (c + d x \right )}}{2} + A a^{2} x + \frac {A a^{2} \sin {\left (c + d x \right )} \cos {\left (c + d x \right )}}{2 d} + \frac {2 A a^{2} \sin {\left (c + d x \right )}}{d} + \frac {3 C a^{2} x \sin ^{4}{\left (c + d x \right )}}{8} + \frac {3 C a^{2} x \sin ^{2}{\left (c + d x \right )} \cos ^{2}{\left (c + d x \right )}}{4} + \frac {C a^{2} x \sin ^{2}{\left (c + d x \right )}}{2} + \frac {3 C a^{2} x \cos ^{4}{\left (c + d x \right )}}{8} + \frac {C a^{2} x \cos ^{2}{\left (c + d x \right )}}{2} + \frac {3 C a^{2} \sin ^{3}{\left (c + d x \right )} \cos {\left (c + d x \right )}}{8 d} + \frac {4 C a^{2} \sin ^{3}{\left (c + d x \right )}}{3 d} + \frac {5 C a^{2} \sin {\left (c + d x \right )} \cos ^{3}{\left (c + d x \right )}}{8 d} + \frac {2 C a^{2} \sin {\left (c + d x \right )} \cos ^{2}{\left (c + d x \right )}}{d} + \frac {C a^{2} \sin {\left (c + d x \right )} \cos {\left (c + d x \right )}}{2 d} & \text {for}\: d \neq 0 \\x \left (A + C \cos ^{2}{\relax (c )}\right ) \left (a \cos {\relax (c )} + a\right )^{2} & \text {otherwise} \end {cases} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+a*cos(d*x+c))**2*(A+C*cos(d*x+c)**2),x)

[Out]

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

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