1-2cos(2x)=o

Solution for 1-2cos(2x)=o equation:

Simplifying
1 + -2cos(2x) = o

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

Reorder the terms for easier multiplication:
1 + -2 * 2cos * x = o

Multiply -2 * 2
1 + -4cos * x = o

Multiply cos * x
1 + -4cosx = o

Solving
1 + -4cosx = o

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 + -4cosx = -1 + o

Combine like terms: 1 + -1 = 0
0 + -4cosx = -1 + o
-4cosx = -1 + o

Divide each side by '-4osx'.
c = 0.25o-1s-1x-1 + -0.25s-1x-1

Simplifying
c = 0.25o-1s-1x-1 + -0.25s-1x-1