cos^2x-2cosx+1=0

Simple and best practice solution for cos^2x-2cosx+1=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for cos^2x-2cosx+1=0 equation:


Simplifying
cos2x + -2cosx + 1 = 0

Reorder the terms:
1 + -2cosx + cos2x = 0

Solving
1 + -2cosx + cos2x = 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 + -2cosx + -1 + cos2x = 0 + -1

Reorder the terms:
1 + -1 + -2cosx + cos2x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -2cosx + cos2x = 0 + -1
-2cosx + cos2x = 0 + -1

Combine like terms: 0 + -1 = -1
-2cosx + cos2x = -1

Reorder the terms:
1 + -2cosx + cos2x = -1 + 1

Combine like terms: -1 + 1 = 0
1 + -2cosx + cos2x = 0

The solution to this equation could not be determined.

See similar equations:

| 3(x-4)=5x+6.9-3x | | 5p-18=10+p | | 4x^2-11x+3= | | 100-7y=44 | | 2d+63d=4 | | (x^2)-3-18= | | 12-y-y^2= | | (x^2)-(-3x)-18= | | x+7=182x | | (2u^3)(4x)(5x^7u^5)= | | 1/2-2/3x5/6 | | X^2+3xy-8=0 | | c^2+6c-27= | | x=ln(3y-1) | | 8p+10p-36=24+3p+5 | | (7-3r)(8-2)= | | .10y+.15x=38.5 | | 9x^3+6x^2-15x= | | 1032=890-m | | .10y+.15x=385 | | -9+2k=44 | | -7+5x=3 | | 7e^3x+5=1 | | 3(2x-14.5)=24.9 | | .15x+.10y=38.5 | | f(x)=7*4x | | 5n+30=2n-2 | | 13+4x=25 | | .15x+.10y=385 | | .89x-8.75=21-.86x | | 5+6x=-7 | | 55=(40+5x)+(17-4x) |

Equations solver categories