2cos^2(2x)=cos(2x)+1

Simple and best practice solution for 2cos^2(2x)=cos(2x)+1 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(2x)=cos(2x)+1 equation: 


Simplifying
2cos2(2x) = cos(2x) + 1

Remove parenthesis around (2x)
2cos2 * 2x = cos(2x) + 1

Reorder the terms for easier multiplication:
2 * 2cos2 * x = cos(2x) + 1

Multiply 2 * 2
4cos2 * x = cos(2x) + 1

Multiply cos2 * x
4cos2x = cos(2x) + 1

Remove parenthesis around (2x)
4cos2x = cos * 2x + 1

Reorder the terms for easier multiplication:
4cos2x = 2cos * x + 1

Multiply cos * x
4cos2x = 2cosx + 1

Reorder the terms:
4cos2x = 1 + 2cosx

Solving
4cos2x = 1 + 2cosx

Solving for variable 'c'.

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

Add '-2cosx' to each side of the equation.
-2cosx + 4cos2x = 1 + 2cosx + -2cosx

Combine like terms: 2cosx + -2cosx = 0
-2cosx + 4cos2x = 1 + 0
-2cosx + 4cos2x = 1

Reorder the terms:
-1 + -2cosx + 4cos2x = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + -2cosx + 4cos2x = 0

The solution to this equation could not be determined.

See similar equations:

| 4x=-3x+34 | | 8(2-2k)=112 | | 5y(x+y)=20+3x | | 1/3(12-9y) | | f(x)=9-5/6x | | 9+15x-1=53 | | 4(x-2)-2=6x-2(4+x) | | 9x-13=3x+7 | | 6-3(6-3)= | | p=2a+b-c | | x-2/15=2/9 | | 14x-6x-5=19 | | 9y-8+5y=28 | | (19x+8)+(12x)+(8x+16)=180 | | -3r^2-5r=-7 | | 5x+19=81 | | 241-x=80 | | 9i+15=i+20 | | 4w-2=2w^2 | | 245=125-w | | 5y-5=3 | | 3x+7=180-42.7 | | 5m^3=8m-18m^2 | | 6(2x-5)=-4-x | | 4(c-2)=3(1.5+x) | | 50u^2+11=-50u^2 | | 4/x-x=7 | | 6x/y^2*5x/3y | | 3-4x=30 | | 2(8-x)=6 | | -q^2=-8q-3 | | .5(x+6)=2x |

Equations solver categories