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Simplifying cos(2x) + cos(3x) + cos(4x) + cos(5x) = 0 Remove parenthesis around (2x) cos * 2x + cos(3x) + cos(4x) + cos(5x) = 0 Reorder the terms for easier multiplication: 2cos * x + cos(3x) + cos(4x) + cos(5x) = 0 Multiply cos * x 2cosx + cos(3x) + cos(4x) + cos(5x) = 0 Remove parenthesis around (3x) 2cosx + cos * 3x + cos(4x) + cos(5x) = 0 Reorder the terms for easier multiplication: 2cosx + 3cos * x + cos(4x) + cos(5x) = 0 Multiply cos * x 2cosx + 3cosx + cos(4x) + cos(5x) = 0 Remove parenthesis around (4x) 2cosx + 3cosx + cos * 4x + cos(5x) = 0 Reorder the terms for easier multiplication: 2cosx + 3cosx + 4cos * x + cos(5x) = 0 Multiply cos * x 2cosx + 3cosx + 4cosx + cos(5x) = 0 Remove parenthesis around (5x) 2cosx + 3cosx + 4cosx + cos * 5x = 0 Reorder the terms for easier multiplication: 2cosx + 3cosx + 4cosx + 5cos * x = 0 Multiply cos * x 2cosx + 3cosx + 4cosx + 5cosx = 0 Combine like terms: 2cosx + 3cosx = 5cosx 5cosx + 4cosx + 5cosx = 0 Combine like terms: 5cosx + 4cosx = 9cosx 9cosx + 5cosx = 0 Combine like terms: 9cosx + 5cosx = 14cosx 14cosx = 0 Solving 14cosx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '14'. cosx = 0 Simplifying cosx = 0 The solution to this equation could not be determined.
| a^2+ab-2b^2=0 | | 40x^2/4x^2 | | Y=5/10x-2 | | x-4+2=14 | | cos(2x)+cos(3x)+cos(4x)=0 | | 6-14=-2z | | 60x+10=40x+70 | | 6x^3+17x^2+7x= | | 2n^2-12=0 | | 5x-2y=38 | | 7x+2(x+13)=134 | | 36+2=34-4(-1) | | 9=20log(x) | | 7x+14x= | | a-3b=b-3 | | 45x=27x+.5 | | 36+2=34-4x | | -13-6=18 | | 13y+18=-5y+36 | | 8x-5=x-1 | | 1/4m=3 | | 34x-12=130 | | n(13-0)=0 | | 4u+6=5u+4 | | x+(x*0.13)=54000 | | 1/9=5/4x | | 4z/7-8=-1 | | 7v+5=8v | | y+10=11 | | ln(4x-7)=2 | | -18y-99=y-(-40) | | LN=62 |