Integrand size = 14, antiderivative size = 51 \[ \int \frac {\sin (a+b x)}{c+d x} \, dx=\frac {\operatorname {CosIntegral}\left (\frac {b c}{d}+b x\right ) \sin \left (a-\frac {b c}{d}\right )}{d}+\frac {\cos \left (a-\frac {b c}{d}\right ) \text {Si}\left (\frac {b c}{d}+b x\right )}{d} \]
Time = 0.08 (sec) , antiderivative size = 49, normalized size of antiderivative = 0.96 \[ \int \frac {\sin (a+b x)}{c+d x} \, dx=\frac {\operatorname {CosIntegral}\left (\frac {b c}{d}+b x\right ) \sin \left (a-\frac {b c}{d}\right )+\cos \left (a-\frac {b c}{d}\right ) \text {Si}\left (\frac {b c}{d}+b x\right )}{d} \]
(CosIntegral[(b*c)/d + b*x]*Sin[a - (b*c)/d] + Cos[a - (b*c)/d]*SinIntegra l[(b*c)/d + b*x])/d
Time = 0.37 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.357, Rules used = {3042, 3784, 3042, 3780, 3783}
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.
\(\displaystyle \int \frac {\sin (a+b x)}{c+d x} \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int \frac {\sin (a+b x)}{c+d x}dx\) |
\(\Big \downarrow \) 3784 |
\(\displaystyle \sin \left (a-\frac {b c}{d}\right ) \int \frac {\cos \left (\frac {b c}{d}+b x\right )}{c+d x}dx+\cos \left (a-\frac {b c}{d}\right ) \int \frac {\sin \left (\frac {b c}{d}+b x\right )}{c+d x}dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \sin \left (a-\frac {b c}{d}\right ) \int \frac {\sin \left (\frac {b c}{d}+b x+\frac {\pi }{2}\right )}{c+d x}dx+\cos \left (a-\frac {b c}{d}\right ) \int \frac {\sin \left (\frac {b c}{d}+b x\right )}{c+d x}dx\) |
\(\Big \downarrow \) 3780 |
\(\displaystyle \sin \left (a-\frac {b c}{d}\right ) \int \frac {\sin \left (\frac {b c}{d}+b x+\frac {\pi }{2}\right )}{c+d x}dx+\frac {\cos \left (a-\frac {b c}{d}\right ) \text {Si}\left (\frac {b c}{d}+b x\right )}{d}\) |
\(\Big \downarrow \) 3783 |
\(\displaystyle \frac {\sin \left (a-\frac {b c}{d}\right ) \operatorname {CosIntegral}\left (\frac {b c}{d}+b x\right )}{d}+\frac {\cos \left (a-\frac {b c}{d}\right ) \text {Si}\left (\frac {b c}{d}+b x\right )}{d}\) |
(CosIntegral[(b*c)/d + b*x]*Sin[a - (b*c)/d])/d + (Cos[a - (b*c)/d]*SinInt egral[(b*c)/d + b*x])/d
3.1.5.3.1 Defintions of rubi rules used
Int[sin[(e_.) + (f_.)*(x_)]/((c_.) + (d_.)*(x_)), x_Symbol] :> Simp[SinInte gral[e + f*x]/d, x] /; FreeQ[{c, d, e, f}, x] && EqQ[d*e - c*f, 0]
Int[sin[(e_.) + (f_.)*(x_)]/((c_.) + (d_.)*(x_)), x_Symbol] :> Simp[CosInte gral[e - Pi/2 + f*x]/d, x] /; FreeQ[{c, d, e, f}, x] && EqQ[d*(e - Pi/2) - c*f, 0]
Int[sin[(e_.) + (f_.)*(x_)]/((c_.) + (d_.)*(x_)), x_Symbol] :> Simp[Cos[(d* e - c*f)/d] Int[Sin[c*(f/d) + f*x]/(c + d*x), x], x] + Simp[Sin[(d*e - c* f)/d] Int[Cos[c*(f/d) + f*x]/(c + d*x), x], x] /; FreeQ[{c, d, e, f}, x] && NeQ[d*e - c*f, 0]
Time = 0.14 (sec) , antiderivative size = 78, normalized size of antiderivative = 1.53
method | result | size |
derivativedivides | \(-\frac {\operatorname {Si}\left (-b x -a -\frac {-d a +c b}{d}\right ) \cos \left (\frac {-d a +c b}{d}\right )}{d}-\frac {\operatorname {Ci}\left (b x +a +\frac {-d a +c b}{d}\right ) \sin \left (\frac {-d a +c b}{d}\right )}{d}\) | \(78\) |
default | \(-\frac {\operatorname {Si}\left (-b x -a -\frac {-d a +c b}{d}\right ) \cos \left (\frac {-d a +c b}{d}\right )}{d}-\frac {\operatorname {Ci}\left (b x +a +\frac {-d a +c b}{d}\right ) \sin \left (\frac {-d a +c b}{d}\right )}{d}\) | \(78\) |
risch | \(\frac {i {\mathrm e}^{\frac {i \left (d a -c b \right )}{d}} \operatorname {Ei}_{1}\left (-i b x -i a -\frac {-i a d +i c b}{d}\right )}{2 d}-\frac {i {\mathrm e}^{-\frac {i \left (d a -c b \right )}{d}} \operatorname {Ei}_{1}\left (i b x +i a -\frac {i \left (d a -c b \right )}{d}\right )}{2 d}\) | \(98\) |
Time = 0.28 (sec) , antiderivative size = 61, normalized size of antiderivative = 1.20 \[ \int \frac {\sin (a+b x)}{c+d x} \, dx=\frac {\operatorname {Ci}\left (\frac {b d x + b c}{d}\right ) \sin \left (-\frac {b c - a d}{d}\right ) + \cos \left (-\frac {b c - a d}{d}\right ) \operatorname {Si}\left (\frac {b d x + b c}{d}\right )}{d} \]
(cos_integral((b*d*x + b*c)/d)*sin(-(b*c - a*d)/d) + cos(-(b*c - a*d)/d)*s in_integral((b*d*x + b*c)/d))/d
\[ \int \frac {\sin (a+b x)}{c+d x} \, dx=\int \frac {\sin {\left (a + b x \right )}}{c + d x}\, dx \]
Result contains complex when optimal does not.
Time = 0.23 (sec) , antiderivative size = 141, normalized size of antiderivative = 2.76 \[ \int \frac {\sin (a+b x)}{c+d x} \, dx=-\frac {b {\left (i \, E_{1}\left (\frac {i \, b c + i \, {\left (b x + a\right )} d - i \, a d}{d}\right ) - i \, E_{1}\left (-\frac {i \, b c + i \, {\left (b x + a\right )} d - i \, a d}{d}\right )\right )} \cos \left (-\frac {b c - a d}{d}\right ) + b {\left (E_{1}\left (\frac {i \, b c + i \, {\left (b x + a\right )} d - i \, a d}{d}\right ) + E_{1}\left (-\frac {i \, b c + i \, {\left (b x + a\right )} d - i \, a d}{d}\right )\right )} \sin \left (-\frac {b c - a d}{d}\right )}{2 \, b d} \]
-1/2*(b*(I*exp_integral_e(1, (I*b*c + I*(b*x + a)*d - I*a*d)/d) - I*exp_in tegral_e(1, -(I*b*c + I*(b*x + a)*d - I*a*d)/d))*cos(-(b*c - a*d)/d) + b*( exp_integral_e(1, (I*b*c + I*(b*x + a)*d - I*a*d)/d) + exp_integral_e(1, - (I*b*c + I*(b*x + a)*d - I*a*d)/d))*sin(-(b*c - a*d)/d))/(b*d)
Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.30 (sec) , antiderivative size = 597, normalized size of antiderivative = 11.71 \[ \int \frac {\sin (a+b x)}{c+d x} \, dx=\frac {\Im \left ( \operatorname {Ci}\left (b x + \frac {b c}{d}\right ) \right ) \tan \left (\frac {1}{2} \, a\right )^{2} \tan \left (\frac {b c}{2 \, d}\right )^{2} - \Im \left ( \operatorname {Ci}\left (-b x - \frac {b c}{d}\right ) \right ) \tan \left (\frac {1}{2} \, a\right )^{2} \tan \left (\frac {b c}{2 \, d}\right )^{2} + 2 \, \operatorname {Si}\left (\frac {b d x + b c}{d}\right ) \tan \left (\frac {1}{2} \, a\right )^{2} \tan \left (\frac {b c}{2 \, d}\right )^{2} + 2 \, \Re \left ( \operatorname {Ci}\left (b x + \frac {b c}{d}\right ) \right ) \tan \left (\frac {1}{2} \, a\right )^{2} \tan \left (\frac {b c}{2 \, d}\right ) + 2 \, \Re \left ( \operatorname {Ci}\left (-b x - \frac {b c}{d}\right ) \right ) \tan \left (\frac {1}{2} \, a\right )^{2} \tan \left (\frac {b c}{2 \, d}\right ) - 2 \, \Re \left ( \operatorname {Ci}\left (b x + \frac {b c}{d}\right ) \right ) \tan \left (\frac {1}{2} \, a\right ) \tan \left (\frac {b c}{2 \, d}\right )^{2} - 2 \, \Re \left ( \operatorname {Ci}\left (-b x - \frac {b c}{d}\right ) \right ) \tan \left (\frac {1}{2} \, a\right ) \tan \left (\frac {b c}{2 \, d}\right )^{2} - \Im \left ( \operatorname {Ci}\left (b x + \frac {b c}{d}\right ) \right ) \tan \left (\frac {1}{2} \, a\right )^{2} + \Im \left ( \operatorname {Ci}\left (-b x - \frac {b c}{d}\right ) \right ) \tan \left (\frac {1}{2} \, a\right )^{2} - 2 \, \operatorname {Si}\left (\frac {b d x + b c}{d}\right ) \tan \left (\frac {1}{2} \, a\right )^{2} + 4 \, \Im \left ( \operatorname {Ci}\left (b x + \frac {b c}{d}\right ) \right ) \tan \left (\frac {1}{2} \, a\right ) \tan \left (\frac {b c}{2 \, d}\right ) - 4 \, \Im \left ( \operatorname {Ci}\left (-b x - \frac {b c}{d}\right ) \right ) \tan \left (\frac {1}{2} \, a\right ) \tan \left (\frac {b c}{2 \, d}\right ) + 8 \, \operatorname {Si}\left (\frac {b d x + b c}{d}\right ) \tan \left (\frac {1}{2} \, a\right ) \tan \left (\frac {b c}{2 \, d}\right ) - \Im \left ( \operatorname {Ci}\left (b x + \frac {b c}{d}\right ) \right ) \tan \left (\frac {b c}{2 \, d}\right )^{2} + \Im \left ( \operatorname {Ci}\left (-b x - \frac {b c}{d}\right ) \right ) \tan \left (\frac {b c}{2 \, d}\right )^{2} - 2 \, \operatorname {Si}\left (\frac {b d x + b c}{d}\right ) \tan \left (\frac {b c}{2 \, d}\right )^{2} + 2 \, \Re \left ( \operatorname {Ci}\left (b x + \frac {b c}{d}\right ) \right ) \tan \left (\frac {1}{2} \, a\right ) + 2 \, \Re \left ( \operatorname {Ci}\left (-b x - \frac {b c}{d}\right ) \right ) \tan \left (\frac {1}{2} \, a\right ) - 2 \, \Re \left ( \operatorname {Ci}\left (b x + \frac {b c}{d}\right ) \right ) \tan \left (\frac {b c}{2 \, d}\right ) - 2 \, \Re \left ( \operatorname {Ci}\left (-b x - \frac {b c}{d}\right ) \right ) \tan \left (\frac {b c}{2 \, d}\right ) + \Im \left ( \operatorname {Ci}\left (b x + \frac {b c}{d}\right ) \right ) - \Im \left ( \operatorname {Ci}\left (-b x - \frac {b c}{d}\right ) \right ) + 2 \, \operatorname {Si}\left (\frac {b d x + b c}{d}\right )}{2 \, {\left (d \tan \left (\frac {1}{2} \, a\right )^{2} \tan \left (\frac {b c}{2 \, d}\right )^{2} + d \tan \left (\frac {1}{2} \, a\right )^{2} + d \tan \left (\frac {b c}{2 \, d}\right )^{2} + d\right )}} \]
1/2*(imag_part(cos_integral(b*x + b*c/d))*tan(1/2*a)^2*tan(1/2*b*c/d)^2 - imag_part(cos_integral(-b*x - b*c/d))*tan(1/2*a)^2*tan(1/2*b*c/d)^2 + 2*si n_integral((b*d*x + b*c)/d)*tan(1/2*a)^2*tan(1/2*b*c/d)^2 + 2*real_part(co s_integral(b*x + b*c/d))*tan(1/2*a)^2*tan(1/2*b*c/d) + 2*real_part(cos_int egral(-b*x - b*c/d))*tan(1/2*a)^2*tan(1/2*b*c/d) - 2*real_part(cos_integra l(b*x + b*c/d))*tan(1/2*a)*tan(1/2*b*c/d)^2 - 2*real_part(cos_integral(-b* x - b*c/d))*tan(1/2*a)*tan(1/2*b*c/d)^2 - imag_part(cos_integral(b*x + b*c /d))*tan(1/2*a)^2 + imag_part(cos_integral(-b*x - b*c/d))*tan(1/2*a)^2 - 2 *sin_integral((b*d*x + b*c)/d)*tan(1/2*a)^2 + 4*imag_part(cos_integral(b*x + b*c/d))*tan(1/2*a)*tan(1/2*b*c/d) - 4*imag_part(cos_integral(-b*x - b*c /d))*tan(1/2*a)*tan(1/2*b*c/d) + 8*sin_integral((b*d*x + b*c)/d)*tan(1/2*a )*tan(1/2*b*c/d) - imag_part(cos_integral(b*x + b*c/d))*tan(1/2*b*c/d)^2 + imag_part(cos_integral(-b*x - b*c/d))*tan(1/2*b*c/d)^2 - 2*sin_integral(( b*d*x + b*c)/d)*tan(1/2*b*c/d)^2 + 2*real_part(cos_integral(b*x + b*c/d))* tan(1/2*a) + 2*real_part(cos_integral(-b*x - b*c/d))*tan(1/2*a) - 2*real_p art(cos_integral(b*x + b*c/d))*tan(1/2*b*c/d) - 2*real_part(cos_integral(- b*x - b*c/d))*tan(1/2*b*c/d) + imag_part(cos_integral(b*x + b*c/d)) - imag _part(cos_integral(-b*x - b*c/d)) + 2*sin_integral((b*d*x + b*c)/d))/(d*ta n(1/2*a)^2*tan(1/2*b*c/d)^2 + d*tan(1/2*a)^2 + d*tan(1/2*b*c/d)^2 + d)
Timed out. \[ \int \frac {\sin (a+b x)}{c+d x} \, dx=\int \frac {\sin \left (a+b\,x\right )}{c+d\,x} \,d x \]