Integrand size = 23, antiderivative size = 94 \[ \int (a+a \sin (e+f x))^2 (A+B \sin (e+f x)) \, dx=\frac {1}{2} a^2 (3 A+2 B) x-\frac {2 a^2 (3 A+2 B) \cos (e+f x)}{3 f}-\frac {a^2 (3 A+2 B) \cos (e+f x) \sin (e+f x)}{6 f}-\frac {B \cos (e+f x) (a+a \sin (e+f x))^2}{3 f} \]
1/2*a^2*(3*A+2*B)*x-2/3*a^2*(3*A+2*B)*cos(f*x+e)/f-1/6*a^2*(3*A+2*B)*cos(f *x+e)*sin(f*x+e)/f-1/3*B*cos(f*x+e)*(a+a*sin(f*x+e))^2/f
Time = 0.22 (sec) , antiderivative size = 106, normalized size of antiderivative = 1.13 \[ \int (a+a \sin (e+f x))^2 (A+B \sin (e+f x)) \, dx=-\frac {a^2 \cos (e+f x) \left (6 (3 A+2 B) \arcsin \left (\frac {\sqrt {1-\sin (e+f x)}}{\sqrt {2}}\right )+\sqrt {\cos ^2(e+f x)} \left (2 (6 A+5 B)+3 (A+2 B) \sin (e+f x)+2 B \sin ^2(e+f x)\right )\right )}{6 f \sqrt {\cos ^2(e+f x)}} \]
-1/6*(a^2*Cos[e + f*x]*(6*(3*A + 2*B)*ArcSin[Sqrt[1 - Sin[e + f*x]]/Sqrt[2 ]] + Sqrt[Cos[e + f*x]^2]*(2*(6*A + 5*B) + 3*(A + 2*B)*Sin[e + f*x] + 2*B* Sin[e + f*x]^2)))/(f*Sqrt[Cos[e + f*x]^2])
Time = 0.30 (sec) , antiderivative size = 83, normalized size of antiderivative = 0.88, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.174, Rules used = {3042, 3230, 3042, 3123}
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int (a \sin (e+f x)+a)^2 (A+B \sin (e+f x)) \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int (a \sin (e+f x)+a)^2 (A+B \sin (e+f x))dx\) |
\(\Big \downarrow \) 3230 |
\(\displaystyle \frac {1}{3} (3 A+2 B) \int (\sin (e+f x) a+a)^2dx-\frac {B \cos (e+f x) (a \sin (e+f x)+a)^2}{3 f}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {1}{3} (3 A+2 B) \int (\sin (e+f x) a+a)^2dx-\frac {B \cos (e+f x) (a \sin (e+f x)+a)^2}{3 f}\) |
\(\Big \downarrow \) 3123 |
\(\displaystyle \frac {1}{3} (3 A+2 B) \left (-\frac {2 a^2 \cos (e+f x)}{f}-\frac {a^2 \sin (e+f x) \cos (e+f x)}{2 f}+\frac {3 a^2 x}{2}\right )-\frac {B \cos (e+f x) (a \sin (e+f x)+a)^2}{3 f}\) |
-1/3*(B*Cos[e + f*x]*(a + a*Sin[e + f*x])^2)/f + ((3*A + 2*B)*((3*a^2*x)/2 - (2*a^2*Cos[e + f*x])/f - (a^2*Cos[e + f*x]*Sin[e + f*x])/(2*f)))/3
3.3.54.3.1 Defintions of rubi rules used
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]*(S in[c + d*x]/(2*d)), x]) /; FreeQ[{a, b, c, d}, x]
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] + Simp[(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)]
Time = 0.75 (sec) , antiderivative size = 70, normalized size of antiderivative = 0.74
method | result | size |
parallelrisch | \(\frac {a^{2} \left (3 \left (-A -2 B \right ) \sin \left (2 f x +2 e \right )+\cos \left (3 f x +3 e \right ) B +3 \left (-8 A -7 B \right ) \cos \left (f x +e \right )+18 f x A +12 f x B -24 A -20 B \right )}{12 f}\) | \(70\) |
parts | \(a^{2} x A +\frac {\left (A \,a^{2}+2 B \,a^{2}\right ) \left (-\frac {\cos \left (f x +e \right ) \sin \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )}{f}-\frac {\left (2 A \,a^{2}+B \,a^{2}\right ) \cos \left (f x +e \right )}{f}-\frac {B \,a^{2} \left (2+\sin ^{2}\left (f x +e \right )\right ) \cos \left (f x +e \right )}{3 f}\) | \(94\) |
risch | \(\frac {3 a^{2} x A}{2}+a^{2} x B -\frac {2 a^{2} \cos \left (f x +e \right ) A}{f}-\frac {7 a^{2} \cos \left (f x +e \right ) B}{4 f}+\frac {B \,a^{2} \cos \left (3 f x +3 e \right )}{12 f}-\frac {\sin \left (2 f x +2 e \right ) A \,a^{2}}{4 f}-\frac {\sin \left (2 f x +2 e \right ) B \,a^{2}}{2 f}\) | \(99\) |
derivativedivides | \(\frac {A \,a^{2} \left (-\frac {\cos \left (f x +e \right ) \sin \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )-\frac {B \,a^{2} \left (2+\sin ^{2}\left (f x +e \right )\right ) \cos \left (f x +e \right )}{3}-2 A \,a^{2} \cos \left (f x +e \right )+2 B \,a^{2} \left (-\frac {\cos \left (f x +e \right ) \sin \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )+A \,a^{2} \left (f x +e \right )-B \,a^{2} \cos \left (f x +e \right )}{f}\) | \(117\) |
default | \(\frac {A \,a^{2} \left (-\frac {\cos \left (f x +e \right ) \sin \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )-\frac {B \,a^{2} \left (2+\sin ^{2}\left (f x +e \right )\right ) \cos \left (f x +e \right )}{3}-2 A \,a^{2} \cos \left (f x +e \right )+2 B \,a^{2} \left (-\frac {\cos \left (f x +e \right ) \sin \left (f x +e \right )}{2}+\frac {f x}{2}+\frac {e}{2}\right )+A \,a^{2} \left (f x +e \right )-B \,a^{2} \cos \left (f x +e \right )}{f}\) | \(117\) |
norman | \(\frac {\left (\frac {3}{2} A \,a^{2}+B \,a^{2}\right ) x +\left (\frac {3}{2} A \,a^{2}+B \,a^{2}\right ) x \left (\tan ^{6}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )+\left (\frac {9}{2} A \,a^{2}+3 B \,a^{2}\right ) x \left (\tan ^{2}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )+\left (\frac {9}{2} A \,a^{2}+3 B \,a^{2}\right ) x \left (\tan ^{4}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )+\frac {a^{2} \left (A +2 B \right ) \left (\tan ^{5}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )}{f}-\frac {12 A \,a^{2}+10 B \,a^{2}}{3 f}-\frac {\left (4 A \,a^{2}+2 B \,a^{2}\right ) \left (\tan ^{4}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )}{f}-\frac {\left (8 A \,a^{2}+8 B \,a^{2}\right ) \left (\tan ^{2}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )}{f}-\frac {a^{2} \left (A +2 B \right ) \tan \left (\frac {f x}{2}+\frac {e}{2}\right )}{f}}{\left (1+\tan ^{2}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )^{3}}\) | \(230\) |
1/12*a^2*(3*(-A-2*B)*sin(2*f*x+2*e)+cos(3*f*x+3*e)*B+3*(-8*A-7*B)*cos(f*x+ e)+18*f*x*A+12*f*x*B-24*A-20*B)/f
Time = 0.27 (sec) , antiderivative size = 70, normalized size of antiderivative = 0.74 \[ \int (a+a \sin (e+f x))^2 (A+B \sin (e+f x)) \, dx=\frac {2 \, B a^{2} \cos \left (f x + e\right )^{3} + 3 \, {\left (3 \, A + 2 \, B\right )} a^{2} f x - 3 \, {\left (A + 2 \, B\right )} a^{2} \cos \left (f x + e\right ) \sin \left (f x + e\right ) - 12 \, {\left (A + B\right )} a^{2} \cos \left (f x + e\right )}{6 \, f} \]
1/6*(2*B*a^2*cos(f*x + e)^3 + 3*(3*A + 2*B)*a^2*f*x - 3*(A + 2*B)*a^2*cos( f*x + e)*sin(f*x + e) - 12*(A + B)*a^2*cos(f*x + e))/f
Leaf count of result is larger than twice the leaf count of optimal. 199 vs. \(2 (85) = 170\).
Time = 0.14 (sec) , antiderivative size = 199, normalized size of antiderivative = 2.12 \[ \int (a+a \sin (e+f x))^2 (A+B \sin (e+f x)) \, dx=\begin {cases} \frac {A a^{2} x \sin ^{2}{\left (e + f x \right )}}{2} + \frac {A a^{2} x \cos ^{2}{\left (e + f x \right )}}{2} + A a^{2} x - \frac {A a^{2} \sin {\left (e + f x \right )} \cos {\left (e + f x \right )}}{2 f} - \frac {2 A a^{2} \cos {\left (e + f x \right )}}{f} + B a^{2} x \sin ^{2}{\left (e + f x \right )} + B a^{2} x \cos ^{2}{\left (e + f x \right )} - \frac {B a^{2} \sin ^{2}{\left (e + f x \right )} \cos {\left (e + f x \right )}}{f} - \frac {B a^{2} \sin {\left (e + f x \right )} \cos {\left (e + f x \right )}}{f} - \frac {2 B a^{2} \cos ^{3}{\left (e + f x \right )}}{3 f} - \frac {B a^{2} \cos {\left (e + f x \right )}}{f} & \text {for}\: f \neq 0 \\x \left (A + B \sin {\left (e \right )}\right ) \left (a \sin {\left (e \right )} + a\right )^{2} & \text {otherwise} \end {cases} \]
Piecewise((A*a**2*x*sin(e + f*x)**2/2 + A*a**2*x*cos(e + f*x)**2/2 + A*a** 2*x - A*a**2*sin(e + f*x)*cos(e + f*x)/(2*f) - 2*A*a**2*cos(e + f*x)/f + B *a**2*x*sin(e + f*x)**2 + B*a**2*x*cos(e + f*x)**2 - B*a**2*sin(e + f*x)** 2*cos(e + f*x)/f - B*a**2*sin(e + f*x)*cos(e + f*x)/f - 2*B*a**2*cos(e + f *x)**3/(3*f) - B*a**2*cos(e + f*x)/f, Ne(f, 0)), (x*(A + B*sin(e))*(a*sin( e) + a)**2, True))
Time = 0.22 (sec) , antiderivative size = 114, normalized size of antiderivative = 1.21 \[ \int (a+a \sin (e+f x))^2 (A+B \sin (e+f x)) \, dx=\frac {3 \, {\left (2 \, f x + 2 \, e - \sin \left (2 \, f x + 2 \, e\right )\right )} A a^{2} + 12 \, {\left (f x + e\right )} A a^{2} + 4 \, {\left (\cos \left (f x + e\right )^{3} - 3 \, \cos \left (f x + e\right )\right )} B a^{2} + 6 \, {\left (2 \, f x + 2 \, e - \sin \left (2 \, f x + 2 \, e\right )\right )} B a^{2} - 24 \, A a^{2} \cos \left (f x + e\right ) - 12 \, B a^{2} \cos \left (f x + e\right )}{12 \, f} \]
1/12*(3*(2*f*x + 2*e - sin(2*f*x + 2*e))*A*a^2 + 12*(f*x + e)*A*a^2 + 4*(c os(f*x + e)^3 - 3*cos(f*x + e))*B*a^2 + 6*(2*f*x + 2*e - sin(2*f*x + 2*e)) *B*a^2 - 24*A*a^2*cos(f*x + e) - 12*B*a^2*cos(f*x + e))/f
Time = 0.28 (sec) , antiderivative size = 85, normalized size of antiderivative = 0.90 \[ \int (a+a \sin (e+f x))^2 (A+B \sin (e+f x)) \, dx=\frac {B a^{2} \cos \left (3 \, f x + 3 \, e\right )}{12 \, f} + \frac {1}{2} \, {\left (3 \, A a^{2} + 2 \, B a^{2}\right )} x - \frac {{\left (8 \, A a^{2} + 7 \, B a^{2}\right )} \cos \left (f x + e\right )}{4 \, f} - \frac {{\left (A a^{2} + 2 \, B a^{2}\right )} \sin \left (2 \, f x + 2 \, e\right )}{4 \, f} \]
1/12*B*a^2*cos(3*f*x + 3*e)/f + 1/2*(3*A*a^2 + 2*B*a^2)*x - 1/4*(8*A*a^2 + 7*B*a^2)*cos(f*x + e)/f - 1/4*(A*a^2 + 2*B*a^2)*sin(2*f*x + 2*e)/f
Time = 12.76 (sec) , antiderivative size = 91, normalized size of antiderivative = 0.97 \[ \int (a+a \sin (e+f x))^2 (A+B \sin (e+f x)) \, dx=-\frac {\frac {3\,A\,a^2\,\sin \left (2\,e+2\,f\,x\right )}{2}-\frac {B\,a^2\,\cos \left (3\,e+3\,f\,x\right )}{2}+3\,B\,a^2\,\sin \left (2\,e+2\,f\,x\right )+12\,A\,a^2\,\cos \left (e+f\,x\right )+\frac {21\,B\,a^2\,\cos \left (e+f\,x\right )}{2}-9\,A\,a^2\,f\,x-6\,B\,a^2\,f\,x}{6\,f} \]