2cos^2-cos^2x+2cosx-2=0

Simple and best practice solution for 2cos^2-cos^2x+2cosx-2=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 2cos^2-cos^2x+2cosx-2=0 equation:


Simplifying
2cos2 + -1cos2x + 2cosx + -2 = 0

Reorder the terms:
-2 + 2cosx + 2cos2 + -1cos2x = 0

Solving
-2 + 2cosx + 2cos2 + -1cos2x = 0

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '2' to each side of the equation.
-2 + 2cosx + 2cos2 + 2 + -1cos2x = 0 + 2

Reorder the terms:
-2 + 2 + 2cosx + 2cos2 + -1cos2x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 2cosx + 2cos2 + -1cos2x = 0 + 2
2cosx + 2cos2 + -1cos2x = 0 + 2

Combine like terms: 0 + 2 = 2
2cosx + 2cos2 + -1cos2x = 2

Reorder the terms:
-2 + 2cosx + 2cos2 + -1cos2x = 2 + -2

Combine like terms: 2 + -2 = 0
-2 + 2cosx + 2cos2 + -1cos2x = 0

The solution to this equation could not be determined.

See similar equations:

| 9n+(7n+28)=66 | | P=bg/m | | 5cos^2x=3cosx+1 | | 10x+8=9+x | | 14/3-7/4 | | 6f-2y=0 | | x^2+y^2+8*x+6*y+13=0 | | x-10/100=303 | | 100/100-10/100=303 | | 4-2x/3=4/6 | | 2powerb=1024 | | x-y=303 | | X-303=y | | 8x+4y-12= | | -7(x-5)+4x-7=-2 | | 6-2x/3=-16/3 | | 72-8x=16+8x | | Y=x^2+19x+60 | | 4(3x-5)=6(4x+2) | | 3.65x+4=4.30 | | y=-0.01t^3+0.1t^2+t+1.5 | | y=tan(8x+4)cos | | y=-0.01t^3+0.1t^2+t^2+t+1.5 | | 5/(x-1)=9/(3-2x) | | 4x+57=5,7 | | 2(m-3)=15 | | x=18+-0.6y | | y=-sin(7x) | | 20y+12x=360 | | 13p+6q=56 | | 31/4x-2=23 | | 20x+12y=360 |

Equations solver categories