Integrand size = 18, antiderivative size = 188 \[ \int e^{c (a+b x)} \cot ^3(d+e x) \, dx=-\frac {i e^{c (a+b x)}}{b c}+\frac {6 i e^{c (a+b x)} \operatorname {Hypergeometric2F1}\left (1,-\frac {i b c}{2 e},1-\frac {i b c}{2 e},e^{2 i (d+e x)}\right )}{b c}-\frac {12 i e^{c (a+b x)} \operatorname {Hypergeometric2F1}\left (2,-\frac {i b c}{2 e},1-\frac {i b c}{2 e},e^{2 i (d+e x)}\right )}{b c}+\frac {8 i e^{c (a+b x)} \operatorname {Hypergeometric2F1}\left (3,-\frac {i b c}{2 e},1-\frac {i b c}{2 e},e^{2 i (d+e x)}\right )}{b c} \]
-I*exp(c*(b*x+a))/b/c+6*I*exp(c*(b*x+a))*hypergeom([1, -1/2*I*b*c/e],[1-1/ 2*I*b*c/e],exp(2*I*(e*x+d)))/b/c-12*I*exp(c*(b*x+a))*hypergeom([2, -1/2*I* b*c/e],[1-1/2*I*b*c/e],exp(2*I*(e*x+d)))/b/c+8*I*exp(c*(b*x+a))*hypergeom( [3, -1/2*I*b*c/e],[1-1/2*I*b*c/e],exp(2*I*(e*x+d)))/b/c
Time = 1.65 (sec) , antiderivative size = 210, normalized size of antiderivative = 1.12 \[ \int e^{c (a+b x)} \cot ^3(d+e x) \, dx=\frac {1}{2} e^{c (a+b x)} \left (-\frac {2 \cot (d)}{b c}-\frac {\csc ^2(d+e x)}{e}+\frac {2 \left (b^2 c^2-2 e^2\right ) e^{2 i d} \left (i b c e^{2 i e x} \operatorname {Hypergeometric2F1}\left (1,1-\frac {i b c}{2 e},2-\frac {i b c}{2 e},e^{2 i (d+e x)}\right )+(-i b c+2 e) \operatorname {Hypergeometric2F1}\left (1,-\frac {i b c}{2 e},1-\frac {i b c}{2 e},e^{2 i (d+e x)}\right )\right )}{b c (b c+2 i e) e^2 \left (-1+e^{2 i d}\right )}+\frac {b c \csc (d) \csc (d+e x) \sin (e x)}{e^2}\right ) \]
(E^(c*(a + b*x))*((-2*Cot[d])/(b*c) - Csc[d + e*x]^2/e + (2*(b^2*c^2 - 2*e ^2)*E^((2*I)*d)*(I*b*c*E^((2*I)*e*x)*Hypergeometric2F1[1, 1 - ((I/2)*b*c)/ e, 2 - ((I/2)*b*c)/e, E^((2*I)*(d + e*x))] + ((-I)*b*c + 2*e)*Hypergeometr ic2F1[1, ((-1/2*I)*b*c)/e, 1 - ((I/2)*b*c)/e, E^((2*I)*(d + e*x))]))/(b*c* (b*c + (2*I)*e)*e^2*(-1 + E^((2*I)*d))) + (b*c*Csc[d]*Csc[d + e*x]*Sin[e*x ])/e^2))/2
Time = 0.40 (sec) , antiderivative size = 184, normalized size of antiderivative = 0.98, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {4943, 2009}
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.
\(\displaystyle \int e^{c (a+b x)} \cot ^3(d+e x) \, dx\) |
\(\Big \downarrow \) 4943 |
\(\displaystyle i \int \left (-e^{c (a+b x)}+\frac {6 e^{c (a+b x)}}{1-e^{2 i (d+e x)}}-\frac {12 e^{c (a+b x)}}{\left (1-e^{2 i (d+e x)}\right )^2}+\frac {8 e^{c (a+b x)}}{\left (1-e^{2 i (d+e x)}\right )^3}\right )dx\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle i \left (\frac {6 e^{c (a+b x)} \operatorname {Hypergeometric2F1}\left (1,-\frac {i b c}{2 e},1-\frac {i b c}{2 e},e^{2 i (d+e x)}\right )}{b c}-\frac {12 e^{c (a+b x)} \operatorname {Hypergeometric2F1}\left (2,-\frac {i b c}{2 e},1-\frac {i b c}{2 e},e^{2 i (d+e x)}\right )}{b c}+\frac {8 e^{c (a+b x)} \operatorname {Hypergeometric2F1}\left (3,-\frac {i b c}{2 e},1-\frac {i b c}{2 e},e^{2 i (d+e x)}\right )}{b c}-\frac {e^{c (a+b x)}}{b c}\right )\) |
I*(-(E^(c*(a + b*x))/(b*c)) + (6*E^(c*(a + b*x))*Hypergeometric2F1[1, ((-1 /2*I)*b*c)/e, 1 - ((I/2)*b*c)/e, E^((2*I)*(d + e*x))])/(b*c) - (12*E^(c*(a + b*x))*Hypergeometric2F1[2, ((-1/2*I)*b*c)/e, 1 - ((I/2)*b*c)/e, E^((2*I )*(d + e*x))])/(b*c) + (8*E^(c*(a + b*x))*Hypergeometric2F1[3, ((-1/2*I)*b *c)/e, 1 - ((I/2)*b*c)/e, E^((2*I)*(d + e*x))])/(b*c))
3.1.24.3.1 Defintions of rubi rules used
Int[Cot[(d_.) + (e_.)*(x_)]^(n_.)*(F_)^((c_.)*((a_.) + (b_.)*(x_))), x_Symb ol] :> Simp[(-I)^n Int[ExpandIntegrand[F^(c*(a + b*x))*((1 + E^(2*I*(d + e*x)))^n/(1 - E^(2*I*(d + e*x)))^n), x], x], x] /; FreeQ[{F, a, b, c, d, e} , x] && IntegerQ[n]
\[\int {\mathrm e}^{c \left (x b +a \right )} \cot \left (e x +d \right )^{3}d x\]
\[ \int e^{c (a+b x)} \cot ^3(d+e x) \, dx=\int { \cot \left (e x + d\right )^{3} e^{\left ({\left (b x + a\right )} c\right )} \,d x } \]
\[ \int e^{c (a+b x)} \cot ^3(d+e x) \, dx=e^{a c} \int e^{b c x} \cot ^{3}{\left (d + e x \right )}\, dx \]
\[ \int e^{c (a+b x)} \cot ^3(d+e x) \, dx=\int { \cot \left (e x + d\right )^{3} e^{\left ({\left (b x + a\right )} c\right )} \,d x } \]
-(4*e*cos(2*e*x + 2*d)^2*e^(b*c*x + a*c) + b*c*e^(b*c*x + a*c)*sin(2*e*x + 2*d) + 4*e*e^(b*c*x + a*c)*sin(2*e*x + 2*d)^2 - 2*e*cos(2*e*x + 2*d)*e^(b *c*x + a*c) - (b*c*e^(b*c*x + a*c)*sin(2*e*x + 2*d) + 2*e*cos(2*e*x + 2*d) *e^(b*c*x + a*c))*cos(4*e*x + 4*d) + 2*(b^2*c^2*e^4*e^(a*c) - 2*e^6*e^(a*c ) + (b^2*c^2*e^4*e^(a*c) - 2*e^6*e^(a*c))*cos(4*e*x + 4*d)^2 + 4*(b^2*c^2* e^4*e^(a*c) - 2*e^6*e^(a*c))*cos(2*e*x + 2*d)^2 + (b^2*c^2*e^4*e^(a*c) - 2 *e^6*e^(a*c))*sin(4*e*x + 4*d)^2 - 4*(b^2*c^2*e^4*e^(a*c) - 2*e^6*e^(a*c)) *sin(4*e*x + 4*d)*sin(2*e*x + 2*d) + 4*(b^2*c^2*e^4*e^(a*c) - 2*e^6*e^(a*c ))*sin(2*e*x + 2*d)^2 + 2*(b^2*c^2*e^4*e^(a*c) - 2*e^6*e^(a*c) - 2*(b^2*c^ 2*e^4*e^(a*c) - 2*e^6*e^(a*c))*cos(2*e*x + 2*d))*cos(4*e*x + 4*d) - 4*(b^2 *c^2*e^4*e^(a*c) - 2*e^6*e^(a*c))*cos(2*e*x + 2*d))*integrate(1/4*e^(b*c*x )*sin(e*x + d)/(e^4*cos(e*x + d)^2 + e^4*sin(e*x + d)^2 + 2*e^4*cos(e*x + d) + e^4), x) - 2*(b^2*c^2*e^4*e^(a*c) - 2*e^6*e^(a*c) + (b^2*c^2*e^4*e^(a *c) - 2*e^6*e^(a*c))*cos(4*e*x + 4*d)^2 + 4*(b^2*c^2*e^4*e^(a*c) - 2*e^6*e ^(a*c))*cos(2*e*x + 2*d)^2 + (b^2*c^2*e^4*e^(a*c) - 2*e^6*e^(a*c))*sin(4*e *x + 4*d)^2 - 4*(b^2*c^2*e^4*e^(a*c) - 2*e^6*e^(a*c))*sin(4*e*x + 4*d)*sin (2*e*x + 2*d) + 4*(b^2*c^2*e^4*e^(a*c) - 2*e^6*e^(a*c))*sin(2*e*x + 2*d)^2 + 2*(b^2*c^2*e^4*e^(a*c) - 2*e^6*e^(a*c) - 2*(b^2*c^2*e^4*e^(a*c) - 2*e^6 *e^(a*c))*cos(2*e*x + 2*d))*cos(4*e*x + 4*d) - 4*(b^2*c^2*e^4*e^(a*c) - 2* e^6*e^(a*c))*cos(2*e*x + 2*d))*integrate(1/4*e^(b*c*x)*sin(e*x + d)/(e^...
\[ \int e^{c (a+b x)} \cot ^3(d+e x) \, dx=\int { \cot \left (e x + d\right )^{3} e^{\left ({\left (b x + a\right )} c\right )} \,d x } \]
Timed out. \[ \int e^{c (a+b x)} \cot ^3(d+e x) \, dx=\int {\mathrm {cot}\left (d+e\,x\right )}^3\,{\mathrm {e}}^{c\,\left (a+b\,x\right )} \,d x \]