Cos(2x)-cos(4x)=o

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Solution for Cos(2x)-cos(4x)=o equation: 


Simplifying
Cos(2x) + -1cos(4x) = o

Remove parenthesis around (2x)
osC * 2x + -1cos(4x) = o

Reorder the terms for easier multiplication:
2osC * x + -1cos(4x) = o

Multiply osC * x
2osxC + -1cos(4x) = o

Remove parenthesis around (4x)
2osxC + -1cos * 4x = o

Reorder the terms for easier multiplication:
2osxC + -1 * 4cos * x = o

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

Multiply cos * x
2osxC + -4cosx = o

Reorder the terms:
-4cosx + 2osxC = o

Solving
-4cosx + 2osxC = o

Solving for variable 'c'.

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

Add '-2osxC' to each side of the equation.
-4cosx + 2osxC + -2osxC = o + -2osxC

Combine like terms: 2osxC + -2osxC = 0
-4cosx + 0 = o + -2osxC
-4cosx = o + -2osxC

Divide each side by '-4osx'.
c = -0.25s-1x-1 + 0.5C

Simplifying
c = -0.25s-1x-1 + 0.5C

Reorder the terms:
c = 0.5C + -0.25s-1x-1

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