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Simplifying cos(3x) + -1cos(4x) + -1cos(x) + cos(6x) = 0 Remove parenthesis around (3x) cos * 3x + -1cos(4x) + -1cos(x) + cos(6x) = 0 Reorder the terms for easier multiplication: 3cos * x + -1cos(4x) + -1cos(x) + cos(6x) = 0 Multiply cos * x 3cosx + -1cos(4x) + -1cos(x) + cos(6x) = 0 Remove parenthesis around (4x) 3cosx + -1cos * 4x + -1cos(x) + cos(6x) = 0 Reorder the terms for easier multiplication: 3cosx + -1 * 4cos * x + -1cos(x) + cos(6x) = 0 Multiply -1 * 4 3cosx + -4cos * x + -1cos(x) + cos(6x) = 0 Multiply cos * x 3cosx + -4cosx + -1cos(x) + cos(6x) = 0 Multiply cos * x 3cosx + -4cosx + -1cosx + cos(6x) = 0 Remove parenthesis around (6x) 3cosx + -4cosx + -1cosx + cos * 6x = 0 Reorder the terms for easier multiplication: 3cosx + -4cosx + -1cosx + 6cos * x = 0 Multiply cos * x 3cosx + -4cosx + -1cosx + 6cosx = 0 Combine like terms: 3cosx + -4cosx = -1cosx -1cosx + -1cosx + 6cosx = 0 Combine like terms: -1cosx + -1cosx = -2cosx -2cosx + 6cosx = 0 Combine like terms: -2cosx + 6cosx = 4cosx 4cosx = 0 Solving 4cosx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '4'. cosx = 0 Simplifying cosx = 0 The solution to this equation could not be determined.
| 2+(1+4d)= | | 20u+14v= | | -400=-20(x-9) | | 7(g-4)=6g+12 | | 1/6-3x-2=1/36-3x | | 3(2n+5)=6(9n+7)+3 | | 3-x=5x+33 | | 3x+6.96=12.03 | | 9x-17=17-8x | | 6=-20-5x | | 11r-3-5r=6+6r-9 | | 15=3/5x | | 6(y+4)+y=4(y+3)+6 | | 6=-20-5 | | 8p-1=23-4p | | 5-2(y-5)=4y-7 | | 1/5-3x=25 | | 3(2x-9)=5x-4 | | 8y+3(y-9)=6(y+1)-2 | | 4(x-1)/3=2x-1 | | 7x-(6x+4)=2x-13 | | 8(2l+1)=168 | | 0.32x=76 | | 4z^10/9z^2 | | 8z-4z=-32 | | 5x-18=x/2 | | 33.27-n=812n | | x^2+4=3x^2+1 | | 0.2d-0.06+0.1d=0.06 | | 5(c+1)=-20 | | 8x+6=-6+3x+22 | | 2m=31.82 |