If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 1 + cos(x) + cos(2x) + cos(3x) + cos(4x) + cos(5x) + cos(6x) + cos(7x) = 0 Multiply cos * x 1 + cosx + cos(2x) + cos(3x) + cos(4x) + cos(5x) + cos(6x) + cos(7x) = 0 Remove parenthesis around (2x) 1 + cosx + cos * 2x + cos(3x) + cos(4x) + cos(5x) + cos(6x) + cos(7x) = 0 Reorder the terms for easier multiplication: 1 + cosx + 2cos * x + cos(3x) + cos(4x) + cos(5x) + cos(6x) + cos(7x) = 0 Multiply cos * x 1 + cosx + 2cosx + cos(3x) + cos(4x) + cos(5x) + cos(6x) + cos(7x) = 0 Remove parenthesis around (3x) 1 + cosx + 2cosx + cos * 3x + cos(4x) + cos(5x) + cos(6x) + cos(7x) = 0 Reorder the terms for easier multiplication: 1 + cosx + 2cosx + 3cos * x + cos(4x) + cos(5x) + cos(6x) + cos(7x) = 0 Multiply cos * x 1 + cosx + 2cosx + 3cosx + cos(4x) + cos(5x) + cos(6x) + cos(7x) = 0 Remove parenthesis around (4x) 1 + cosx + 2cosx + 3cosx + cos * 4x + cos(5x) + cos(6x) + cos(7x) = 0 Reorder the terms for easier multiplication: 1 + cosx + 2cosx + 3cosx + 4cos * x + cos(5x) + cos(6x) + cos(7x) = 0 Multiply cos * x 1 + cosx + 2cosx + 3cosx + 4cosx + cos(5x) + cos(6x) + cos(7x) = 0 Remove parenthesis around (5x) 1 + cosx + 2cosx + 3cosx + 4cosx + cos * 5x + cos(6x) + cos(7x) = 0 Reorder the terms for easier multiplication: 1 + cosx + 2cosx + 3cosx + 4cosx + 5cos * x + cos(6x) + cos(7x) = 0 Multiply cos * x 1 + cosx + 2cosx + 3cosx + 4cosx + 5cosx + cos(6x) + cos(7x) = 0 Remove parenthesis around (6x) 1 + cosx + 2cosx + 3cosx + 4cosx + 5cosx + cos * 6x + cos(7x) = 0 Reorder the terms for easier multiplication: 1 + cosx + 2cosx + 3cosx + 4cosx + 5cosx + 6cos * x + cos(7x) = 0 Multiply cos * x 1 + cosx + 2cosx + 3cosx + 4cosx + 5cosx + 6cosx + cos(7x) = 0 Remove parenthesis around (7x) 1 + cosx + 2cosx + 3cosx + 4cosx + 5cosx + 6cosx + cos * 7x = 0 Reorder the terms for easier multiplication: 1 + cosx + 2cosx + 3cosx + 4cosx + 5cosx + 6cosx + 7cos * x = 0 Multiply cos * x 1 + cosx + 2cosx + 3cosx + 4cosx + 5cosx + 6cosx + 7cosx = 0 Combine like terms: cosx + 2cosx = 3cosx 1 + 3cosx + 3cosx + 4cosx + 5cosx + 6cosx + 7cosx = 0 Combine like terms: 3cosx + 3cosx = 6cosx 1 + 6cosx + 4cosx + 5cosx + 6cosx + 7cosx = 0 Combine like terms: 6cosx + 4cosx = 10cosx 1 + 10cosx + 5cosx + 6cosx + 7cosx = 0 Combine like terms: 10cosx + 5cosx = 15cosx 1 + 15cosx + 6cosx + 7cosx = 0 Combine like terms: 15cosx + 6cosx = 21cosx 1 + 21cosx + 7cosx = 0 Combine like terms: 21cosx + 7cosx = 28cosx 1 + 28cosx = 0 Solving 1 + 28cosx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 28cosx = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 28cosx = 0 + -1 28cosx = 0 + -1 Combine like terms: 0 + -1 = -1 28cosx = -1 Divide each side by '28osx'. c = -0.03571428571o-1s-1x-1 Simplifying c = -0.03571428571o-1s-1x-1
| x^3-12x^2+33x-4=0 | | -3-3s=-3s-10 | | 0.3*0.09= | | solvex^3-12x^2+33x-4=0 | | 3y-3=-3 | | 4x+7=-5x-20 | | -7f+3f=-4f | | -3m=7-2m | | (1+x)5=1.963 | | x+(x-1)=245 | | 5(3x-9)-2=5(x-3)+38 | | 5x+62=8x-10 | | 14+7x=49+2x | | Cosx=.75 | | 14x-5=22+5x | | 6t+2=5t | | z+9z=10z | | 13x-15=7x+37 | | 4x^2+20x=-20 | | 12+7x=2x+52 | | 0.7*7= | | 10x^2+38x+35=0 | | 10n(n-3)= | | 2(x+2)=7(x-2)-7 | | 3(2x-7)-8=7x-2[8x-(3x-4)] | | 4a+2b-3a-b-b-a= | | (x-2)/4-(5x-2)/9=(x+5)/6 | | 3(n+8)=51 | | 31-5x=20-3x | | 9x-9=7x-15 | | 3x(2x+4)=18 | | 9x-17=5x-5x |