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¿Cómo vas a descomponer esta sin((6*k+1)*x)/(2*(1+6*k))+sin((1-6*k)*x)/(2*(1-6*k)) expresión en fracciones?

Expresión a simplificar:

Solución

Ha introducido [src]
sin((6*k + 1)*x)   sin((1 - 6*k)*x)
---------------- + ----------------
  2*(1 + 6*k)        2*(1 - 6*k)   
sin(x(6k+1))2(6k+1)+sin(x(16k))2(16k)\frac{\sin{\left(x \left(6 k + 1\right) \right)}}{2 \left(6 k + 1\right)} + \frac{\sin{\left(x \left(1 - 6 k\right) \right)}}{2 \left(1 - 6 k\right)}
sin((6*k + 1)*x)/((2*(1 + 6*k))) + sin((1 - 6*k)*x)/((2*(1 - 6*k)))
Simplificación general [src]
(1 + 6*k)*sin(x*(-1 + 6*k)) + (-1 + 6*k)*sin(x + 6*k*x)
-------------------------------------------------------
                 2*(1 + 6*k)*(-1 + 6*k)                
(6k1)sin(6kx+x)+(6k+1)sin(x(6k1))2(6k1)(6k+1)\frac{\left(6 k - 1\right) \sin{\left(6 k x + x \right)} + \left(6 k + 1\right) \sin{\left(x \left(6 k - 1\right) \right)}}{2 \left(6 k - 1\right) \left(6 k + 1\right)}
((1 + 6*k)*sin(x*(-1 + 6*k)) + (-1 + 6*k)*sin(x + 6*k*x))/(2*(1 + 6*k)*(-1 + 6*k))
Unión de expresiones racionales [src]
(1 - 6*k)*sin(x*(1 + 6*k)) + (1 + 6*k)*sin(x*(1 - 6*k))
-------------------------------------------------------
                 2*(1 - 6*k)*(1 + 6*k)                 
(16k)sin(x(6k+1))+(6k+1)sin(x(16k))2(16k)(6k+1)\frac{\left(1 - 6 k\right) \sin{\left(x \left(6 k + 1\right) \right)} + \left(6 k + 1\right) \sin{\left(x \left(1 - 6 k\right) \right)}}{2 \left(1 - 6 k\right) \left(6 k + 1\right)}
((1 - 6*k)*sin(x*(1 + 6*k)) + (1 + 6*k)*sin(x*(1 - 6*k)))/(2*(1 - 6*k)*(1 + 6*k))
Denominador racional [src]
-2*sin(x + 6*k*x) + 2*sin(-x + 6*k*x) + 12*k*sin(x + 6*k*x) + 12*k*sin(-x + 6*k*x)
----------------------------------------------------------------------------------
                              (-2 + 12*k)*(2 + 12*k)                              
12ksin(6kxx)+12ksin(6kx+x)+2sin(6kxx)2sin(6kx+x)(12k2)(12k+2)\frac{12 k \sin{\left(6 k x - x \right)} + 12 k \sin{\left(6 k x + x \right)} + 2 \sin{\left(6 k x - x \right)} - 2 \sin{\left(6 k x + x \right)}}{\left(12 k - 2\right) \left(12 k + 2\right)}
(-2*sin(x + 6*k*x) + 2*sin(-x + 6*k*x) + 12*k*sin(x + 6*k*x) + 12*k*sin(-x + 6*k*x))/((-2 + 12*k)*(2 + 12*k))
Denominador común [src]
-sin(x + 6*k*x) + 6*k*sin(x + 6*k*x) + 6*k*sin(-x + 6*k*x) + sin(-x + 6*k*x)
----------------------------------------------------------------------------
                                          2                                 
                                 -2 + 72*k                                  
6ksin(6kxx)+6ksin(6kx+x)+sin(6kxx)sin(6kx+x)72k22\frac{6 k \sin{\left(6 k x - x \right)} + 6 k \sin{\left(6 k x + x \right)} + \sin{\left(6 k x - x \right)} - \sin{\left(6 k x + x \right)}}{72 k^{2} - 2}
(-sin(x + 6*k*x) + 6*k*sin(x + 6*k*x) + 6*k*sin(-x + 6*k*x) + sin(-x + 6*k*x))/(-2 + 72*k^2)
Compilar la expresión [src]
sin((1 - 6*k)*x)   sin((6*k + 1)*x)
---------------- + ----------------
    2 - 12*k           2 + 12*k    
sin(x(6k+1))12k+2+sin(x(16k))212k\frac{\sin{\left(x \left(6 k + 1\right) \right)}}{12 k + 2} + \frac{\sin{\left(x \left(1 - 6 k\right) \right)}}{2 - 12 k}
sin((1 - 6*k)*x)/(2 - 12*k) + sin((6*k + 1)*x)/(2 + 12*k)
Abrimos la expresión [src]
                              4                     4                     2                     2                     6                     6                     5                              3                                                                                        3                              5                     
   sin(x)     sin(x)    48*cos (k*x)*sin(x)   48*cos (k*x)*sin(x)   18*cos (k*x)*sin(x)   18*cos (k*x)*sin(x)   32*cos (k*x)*sin(x)   32*cos (k*x)*sin(x)   32*sin (k*x)*cos(x)*cos(k*x)   32*sin (k*x)*cos(x)*cos(k*x)   6*cos(x)*cos(k*x)*sin(k*x)   6*cos(x)*cos(k*x)*sin(k*x)   32*sin (k*x)*cos(x)*cos(k*x)   32*sin (k*x)*cos(x)*cos(k*x)
- -------- - -------- - ------------------- - ------------------- + ------------------- + ------------------- + ------------------- + ------------------- - ---------------------------- - ---------------------------- - -------------------------- + -------------------------- + ---------------------------- + ----------------------------
  2 - 12*k   2 + 12*k         2 - 12*k              2 + 12*k              2 - 12*k              2 + 12*k              2 - 12*k              2 + 12*k                  2 - 12*k                       2 + 12*k                      2 - 12*k                     2 + 12*k                      2 - 12*k                       2 + 12*k          
32sin(x)cos6(kx)12k+248sin(x)cos4(kx)12k+2+18sin(x)cos2(kx)12k+2sin(x)12k+2+32sin5(kx)cos(x)cos(kx)12k+232sin3(kx)cos(x)cos(kx)12k+2+6sin(kx)cos(x)cos(kx)12k+2+32sin(x)cos6(kx)212k48sin(x)cos4(kx)212k+18sin(x)cos2(kx)212ksin(x)212k32sin5(kx)cos(x)cos(kx)212k+32sin3(kx)cos(x)cos(kx)212k6sin(kx)cos(x)cos(kx)212k\frac{32 \sin{\left(x \right)} \cos^{6}{\left(k x \right)}}{12 k + 2} - \frac{48 \sin{\left(x \right)} \cos^{4}{\left(k x \right)}}{12 k + 2} + \frac{18 \sin{\left(x \right)} \cos^{2}{\left(k x \right)}}{12 k + 2} - \frac{\sin{\left(x \right)}}{12 k + 2} + \frac{32 \sin^{5}{\left(k x \right)} \cos{\left(x \right)} \cos{\left(k x \right)}}{12 k + 2} - \frac{32 \sin^{3}{\left(k x \right)} \cos{\left(x \right)} \cos{\left(k x \right)}}{12 k + 2} + \frac{6 \sin{\left(k x \right)} \cos{\left(x \right)} \cos{\left(k x \right)}}{12 k + 2} + \frac{32 \sin{\left(x \right)} \cos^{6}{\left(k x \right)}}{2 - 12 k} - \frac{48 \sin{\left(x \right)} \cos^{4}{\left(k x \right)}}{2 - 12 k} + \frac{18 \sin{\left(x \right)} \cos^{2}{\left(k x \right)}}{2 - 12 k} - \frac{\sin{\left(x \right)}}{2 - 12 k} - \frac{32 \sin^{5}{\left(k x \right)} \cos{\left(x \right)} \cos{\left(k x \right)}}{2 - 12 k} + \frac{32 \sin^{3}{\left(k x \right)} \cos{\left(x \right)} \cos{\left(k x \right)}}{2 - 12 k} - \frac{6 \sin{\left(k x \right)} \cos{\left(x \right)} \cos{\left(k x \right)}}{2 - 12 k}
-sin(x)/(2 - 12*k) - sin(x)/(2 + 12*k) - 48*cos(k*x)^4*sin(x)/(2 - 12*k) - 48*cos(k*x)^4*sin(x)/(2 + 12*k) + 18*cos(k*x)^2*sin(x)/(2 - 12*k) + 18*cos(k*x)^2*sin(x)/(2 + 12*k) + 32*cos(k*x)^6*sin(x)/(2 - 12*k) + 32*cos(k*x)^6*sin(x)/(2 + 12*k) - 32*sin(k*x)^5*cos(x)*cos(k*x)/(2 - 12*k) - 32*sin(k*x)^3*cos(x)*cos(k*x)/(2 + 12*k) - 6*cos(x)*cos(k*x)*sin(k*x)/(2 - 12*k) + 6*cos(x)*cos(k*x)*sin(k*x)/(2 + 12*k) + 32*sin(k*x)^3*cos(x)*cos(k*x)/(2 - 12*k) + 32*sin(k*x)^5*cos(x)*cos(k*x)/(2 + 12*k)
Respuesta numérica [src]
sin((6*k + 1)*x)/(2.0 + 12.0*k) + sin((1 - 6*k)*x)/(2.0 - 12.0*k)
sin((6*k + 1)*x)/(2.0 + 12.0*k) + sin((1 - 6*k)*x)/(2.0 - 12.0*k)
Parte trigonométrica [src]
               1                                 1               
-------------------------------- + ------------------------------
              /pi              \                 /    pi        \
(2 - 12*k)*sec|-- - x*(1 - 6*k)|   (2 + 12*k)*sec|x - -- + 6*k*x|
              \2               /                 \    2         /
1(12k+2)sec(6kx+xπ2)+1(212k)sec(x(16k)+π2)\frac{1}{\left(12 k + 2\right) \sec{\left(6 k x + x - \frac{\pi}{2} \right)}} + \frac{1}{\left(2 - 12 k\right) \sec{\left(- x \left(1 - 6 k\right) + \frac{\pi}{2} \right)}}
   /  pi              \      /    pi        \
cos|- -- + x*(1 - 6*k)|   cos|x - -- + 6*k*x|
   \  2               /      \    2         /
----------------------- + -------------------
        2 - 12*k                2 + 12*k     
cos(6kx+xπ2)12k+2+cos(x(16k)π2)212k\frac{\cos{\left(6 k x + x - \frac{\pi}{2} \right)}}{12 k + 2} + \frac{\cos{\left(x \left(1 - 6 k\right) - \frac{\pi}{2} \right)}}{2 - 12 k}
   /  pi              \      /  pi              \
cos|- -- + x*(1 - 6*k)|   cos|- -- + x*(1 + 6*k)|
   \  2               /      \  2               /
----------------------- + -----------------------
        2 - 12*k                  2 + 12*k       
cos(x(6k+1)π2)12k+2+cos(x(16k)π2)212k\frac{\cos{\left(x \left(6 k + 1\right) - \frac{\pi}{2} \right)}}{12 k + 2} + \frac{\cos{\left(x \left(1 - 6 k\right) - \frac{\pi}{2} \right)}}{2 - 12 k}
sin(x*(1 - 6*k))   sin(x*(1 + 6*k))
---------------- + ----------------
    2 - 12*k           2 + 12*k    
sin(x(6k+1))12k+2+sin(x(16k))212k\frac{\sin{\left(x \left(6 k + 1\right) \right)}}{12 k + 2} + \frac{\sin{\left(x \left(1 - 6 k\right) \right)}}{2 - 12 k}
   /    pi        \      /  pi               \
cos|x - -- + 6*k*x|   cos|- -- + x*(-1 + 6*k)|
   \    2         /      \  2                /
------------------- - ------------------------
      2 + 12*k                2 - 12*k        
cos(6kx+xπ2)12k+2cos(x(6k1)π2)212k\frac{\cos{\left(6 k x + x - \frac{\pi}{2} \right)}}{12 k + 2} - \frac{\cos{\left(x \left(6 k - 1\right) - \frac{\pi}{2} \right)}}{2 - 12 k}
sin(x*(1 - 6*k))   sin(x + 6*k*x)
---------------- + --------------
    2 - 12*k          2 + 12*k   
sin(6kx+x)12k+2+sin(x(16k))212k\frac{\sin{\left(6 k x + x \right)}}{12 k + 2} + \frac{\sin{\left(x \left(1 - 6 k\right) \right)}}{2 - 12 k}
                1                                  1               
---------------------------------- + ------------------------------
              /  pi              \                 /    pi        \
(2 - 12*k)*sec|- -- + x*(1 - 6*k)|   (2 + 12*k)*sec|x - -- + 6*k*x|
              \  2               /                 \    2         /
1(12k+2)sec(6kx+xπ2)+1(212k)sec(x(16k)π2)\frac{1}{\left(12 k + 2\right) \sec{\left(6 k x + x - \frac{\pi}{2} \right)}} + \frac{1}{\left(2 - 12 k\right) \sec{\left(x \left(1 - 6 k\right) - \frac{\pi}{2} \right)}}
            1                            1              
------------------------- - ----------------------------
(2 + 12*k)*csc(x + 6*k*x)   (2 - 12*k)*csc(x*(-1 + 6*k))
1(12k+2)csc(6kx+x)1(212k)csc(x(6k1))\frac{1}{\left(12 k + 2\right) \csc{\left(6 k x + x \right)}} - \frac{1}{\left(2 - 12 k\right) \csc{\left(x \left(6 k - 1\right) \right)}}
              1                                   1                 
------------------------------ - -----------------------------------
              /    pi        \                 /  pi               \
(2 + 12*k)*sec|x - -- + 6*k*x|   (2 - 12*k)*sec|- -- + x*(-1 + 6*k)|
              \    2         /                 \  2                /
1(12k+2)sec(6kx+xπ2)1(212k)sec(x(6k1)π2)\frac{1}{\left(12 k + 2\right) \sec{\left(6 k x + x - \frac{\pi}{2} \right)}} - \frac{1}{\left(2 - 12 k\right) \sec{\left(x \left(6 k - 1\right) - \frac{\pi}{2} \right)}}
             1                            1            
--------------------------- + -------------------------
(2 - 12*k)*csc(x*(1 - 6*k))   (2 + 12*k)*csc(x + 6*k*x)
1(12k+2)csc(6kx+x)+1(212k)csc(x(16k))\frac{1}{\left(12 k + 2\right) \csc{\left(6 k x + x \right)}} + \frac{1}{\left(2 - 12 k\right) \csc{\left(x \left(1 - 6 k\right) \right)}}
             /x*(1 - 6*k)\                        /x        \        
        2*cot|-----------|                   2*cot|- + 3*k*x|        
             \     2     /                        \2        /        
---------------------------------- + --------------------------------
/       2/x*(1 - 6*k)\\              /       2/x        \\           
|1 + cot |-----------||*(2 - 12*k)   |1 + cot |- + 3*k*x||*(2 + 12*k)
\        \     2     //              \        \2        //           
2cot(3kx+x2)(12k+2)(cot2(3kx+x2)+1)+2cot(x(16k)2)(212k)(cot2(x(16k)2)+1)\frac{2 \cot{\left(3 k x + \frac{x}{2} \right)}}{\left(12 k + 2\right) \left(\cot^{2}{\left(3 k x + \frac{x}{2} \right)} + 1\right)} + \frac{2 \cot{\left(\frac{x \left(1 - 6 k\right)}{2} \right)}}{\left(2 - 12 k\right) \left(\cot^{2}{\left(\frac{x \left(1 - 6 k\right)}{2} \right)} + 1\right)}
             /x*(1 - 6*k)\                        /x*(1 + 6*k)\        
        2*cot|-----------|                   2*cot|-----------|        
             \     2     /                        \     2     /        
---------------------------------- + ----------------------------------
/       2/x*(1 - 6*k)\\              /       2/x*(1 + 6*k)\\           
|1 + cot |-----------||*(2 - 12*k)   |1 + cot |-----------||*(2 + 12*k)
\        \     2     //              \        \     2     //           
2cot(x(6k+1)2)(12k+2)(cot2(x(6k+1)2)+1)+2cot(x(16k)2)(212k)(cot2(x(16k)2)+1)\frac{2 \cot{\left(\frac{x \left(6 k + 1\right)}{2} \right)}}{\left(12 k + 2\right) \left(\cot^{2}{\left(\frac{x \left(6 k + 1\right)}{2} \right)} + 1\right)} + \frac{2 \cot{\left(\frac{x \left(1 - 6 k\right)}{2} \right)}}{\left(2 - 12 k\right) \left(\cot^{2}{\left(\frac{x \left(1 - 6 k\right)}{2} \right)} + 1\right)}
             1                             1             
--------------------------- + ---------------------------
(2 - 12*k)*csc(x*(1 - 6*k))   (2 + 12*k)*csc(x*(1 + 6*k))
1(12k+2)csc(x(6k+1))+1(212k)csc(x(16k))\frac{1}{\left(12 k + 2\right) \csc{\left(x \left(6 k + 1\right) \right)}} + \frac{1}{\left(2 - 12 k\right) \csc{\left(x \left(1 - 6 k\right) \right)}}
             1                sin(x + 6*k*x)
--------------------------- + --------------
(2 - 12*k)*csc(x*(1 - 6*k))      2 + 12*k   
sin(6kx+x)12k+2+1(212k)csc(x(16k))\frac{\sin{\left(6 k x + x \right)}}{12 k + 2} + \frac{1}{\left(2 - 12 k\right) \csc{\left(x \left(1 - 6 k\right) \right)}}
sin(x + 6*k*x)   sin(x*(-1 + 6*k))
-------------- - -----------------
   2 + 12*k           2 - 12*k    
sin(6kx+x)12k+2sin(x(6k1))212k\frac{\sin{\left(6 k x + x \right)}}{12 k + 2} - \frac{\sin{\left(x \left(6 k - 1\right) \right)}}{2 - 12 k}
             /x*(1 - 6*k)\                        /x        \        
        2*tan|-----------|                   2*tan|- + 3*k*x|        
             \     2     /                        \2        /        
---------------------------------- + --------------------------------
/       2/x*(1 - 6*k)\\              /       2/x        \\           
|1 + tan |-----------||*(2 - 12*k)   |1 + tan |- + 3*k*x||*(2 + 12*k)
\        \     2     //              \        \2        //           
2tan(3kx+x2)(12k+2)(tan2(3kx+x2)+1)+2tan(x(16k)2)(212k)(tan2(x(16k)2)+1)\frac{2 \tan{\left(3 k x + \frac{x}{2} \right)}}{\left(12 k + 2\right) \left(\tan^{2}{\left(3 k x + \frac{x}{2} \right)} + 1\right)} + \frac{2 \tan{\left(\frac{x \left(1 - 6 k\right)}{2} \right)}}{\left(2 - 12 k\right) \left(\tan^{2}{\left(\frac{x \left(1 - 6 k\right)}{2} \right)} + 1\right)}
                1                                    1                 
---------------------------------- + ----------------------------------
              /  pi              \                 /  pi              \
(2 - 12*k)*sec|- -- + x*(1 - 6*k)|   (2 + 12*k)*sec|- -- + x*(1 + 6*k)|
              \  2               /                 \  2               /
1(12k+2)sec(x(6k+1)π2)+1(212k)sec(x(16k)π2)\frac{1}{\left(12 k + 2\right) \sec{\left(x \left(6 k + 1\right) - \frac{\pi}{2} \right)}} + \frac{1}{\left(2 - 12 k\right) \sec{\left(x \left(1 - 6 k\right) - \frac{\pi}{2} \right)}}
                                   /x        \        
                              2*tan|- + 3*k*x|        
  sin(x*(-1 + 6*k))                \2        /        
- ----------------- + --------------------------------
       2 - 12*k       /       2/x        \\           
                      |1 + tan |- + 3*k*x||*(2 + 12*k)
                      \        \2        //           
2tan(3kx+x2)(12k+2)(tan2(3kx+x2)+1)sin(x(6k1))212k\frac{2 \tan{\left(3 k x + \frac{x}{2} \right)}}{\left(12 k + 2\right) \left(\tan^{2}{\left(3 k x + \frac{x}{2} \right)} + 1\right)} - \frac{\sin{\left(x \left(6 k - 1\right) \right)}}{2 - 12 k}
               /x*(-1 + 6*k)\                        /x        \        
          2*cot|------------|                   2*cot|- + 3*k*x|        
               \     2      /                        \2        /        
- ----------------------------------- + --------------------------------
  /       2/x*(-1 + 6*k)\\              /       2/x        \\           
  |1 + cot |------------||*(2 - 12*k)   |1 + cot |- + 3*k*x||*(2 + 12*k)
  \        \     2      //              \        \2        //           
2cot(3kx+x2)(12k+2)(cot2(3kx+x2)+1)2cot(x(6k1)2)(212k)(cot2(x(6k1)2)+1)\frac{2 \cot{\left(3 k x + \frac{x}{2} \right)}}{\left(12 k + 2\right) \left(\cot^{2}{\left(3 k x + \frac{x}{2} \right)} + 1\right)} - \frac{2 \cot{\left(\frac{x \left(6 k - 1\right)}{2} \right)}}{\left(2 - 12 k\right) \left(\cot^{2}{\left(\frac{x \left(6 k - 1\right)}{2} \right)} + 1\right)}
     1                         sin(x + 6*k*x)
-----------*sin((1 - 6*k)*x) + --------------
2*(1 - 6*k)                     2*(1 + 6*k)  
12(16k)sin(x(16k))+sin(6kx+x)2(6k+1)\frac{1}{2 \left(1 - 6 k\right)} \sin{\left(x \left(1 - 6 k\right) \right)} + \frac{\sin{\left(6 k x + x \right)}}{2 \left(6 k + 1\right)}
               /x*(-1 + 6*k)\                        /x        \        
          2*tan|------------|                   2*tan|- + 3*k*x|        
               \     2      /                        \2        /        
- ----------------------------------- + --------------------------------
  /       2/x*(-1 + 6*k)\\              /       2/x        \\           
  |1 + tan |------------||*(2 - 12*k)   |1 + tan |- + 3*k*x||*(2 + 12*k)
  \        \     2      //              \        \2        //           
2tan(3kx+x2)(12k+2)(tan2(3kx+x2)+1)2tan(x(6k1)2)(212k)(tan2(x(6k1)2)+1)\frac{2 \tan{\left(3 k x + \frac{x}{2} \right)}}{\left(12 k + 2\right) \left(\tan^{2}{\left(3 k x + \frac{x}{2} \right)} + 1\right)} - \frac{2 \tan{\left(\frac{x \left(6 k - 1\right)}{2} \right)}}{\left(2 - 12 k\right) \left(\tan^{2}{\left(\frac{x \left(6 k - 1\right)}{2} \right)} + 1\right)}
             /x*(1 - 6*k)\                        /x*(1 + 6*k)\        
        2*tan|-----------|                   2*tan|-----------|        
             \     2     /                        \     2     /        
---------------------------------- + ----------------------------------
/       2/x*(1 - 6*k)\\              /       2/x*(1 + 6*k)\\           
|1 + tan |-----------||*(2 - 12*k)   |1 + tan |-----------||*(2 + 12*k)
\        \     2     //              \        \     2     //           
2tan(x(6k+1)2)(12k+2)(tan2(x(6k+1)2)+1)+2tan(x(16k)2)(212k)(tan2(x(16k)2)+1)\frac{2 \tan{\left(\frac{x \left(6 k + 1\right)}{2} \right)}}{\left(12 k + 2\right) \left(\tan^{2}{\left(\frac{x \left(6 k + 1\right)}{2} \right)} + 1\right)} + \frac{2 \tan{\left(\frac{x \left(1 - 6 k\right)}{2} \right)}}{\left(2 - 12 k\right) \left(\tan^{2}{\left(\frac{x \left(1 - 6 k\right)}{2} \right)} + 1\right)}
2*tan(x*(1 - 6*k)/2)/((1 + tan(x*(1 - 6*k)/2)^2)*(2 - 12*k)) + 2*tan(x*(1 + 6*k)/2)/((1 + tan(x*(1 + 6*k)/2)^2)*(2 + 12*k))
Potencias [src]
sin(x*(1 - 6*k))   sin(x*(1 + 6*k))
---------------- + ----------------
    2 - 12*k           2 + 12*k    
sin(x(6k+1))12k+2+sin(x(16k))212k\frac{\sin{\left(x \left(6 k + 1\right) \right)}}{12 k + 2} + \frac{\sin{\left(x \left(1 - 6 k\right) \right)}}{2 - 12 k}
    /   -I*x*(1 - 6*k)    I*x*(1 - 6*k)\     /   -I*x*(1 + 6*k)    I*x*(1 + 6*k)\
  I*\- e               + e             /   I*\- e               + e             /
- -------------------------------------- - --------------------------------------
               2*(2 - 12*k)                             2*(2 + 12*k)             
i(eix(6k+1)eix(6k+1))2(12k+2)i(eix(16k)eix(16k))2(212k)- \frac{i \left(e^{i x \left(6 k + 1\right)} - e^{- i x \left(6 k + 1\right)}\right)}{2 \left(12 k + 2\right)} - \frac{i \left(e^{i x \left(1 - 6 k\right)} - e^{- i x \left(1 - 6 k\right)}\right)}{2 \left(2 - 12 k\right)}
-i*(-exp(-i*x*(1 - 6*k)) + exp(i*x*(1 - 6*k)))/(2*(2 - 12*k)) - i*(-exp(-i*x*(1 + 6*k)) + exp(i*x*(1 + 6*k)))/(2*(2 + 12*k))
Combinatoria [src]
-sin(x + 6*k*x) + 6*k*sin(x + 6*k*x) + 6*k*sin(-x + 6*k*x) + sin(-x + 6*k*x)
----------------------------------------------------------------------------
                           2*(1 + 6*k)*(-1 + 6*k)                           
6ksin(6kxx)+6ksin(6kx+x)+sin(6kxx)sin(6kx+x)2(6k1)(6k+1)\frac{6 k \sin{\left(6 k x - x \right)} + 6 k \sin{\left(6 k x + x \right)} + \sin{\left(6 k x - x \right)} - \sin{\left(6 k x + x \right)}}{2 \left(6 k - 1\right) \left(6 k + 1\right)}
(-sin(x + 6*k*x) + 6*k*sin(x + 6*k*x) + 6*k*sin(-x + 6*k*x) + sin(-x + 6*k*x))/(2*(1 + 6*k)*(-1 + 6*k))