cos(4x)-cos(2x)=0

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Solution for cos(4x)-cos(2x)=0 equation:


Simplifying
cos(4x) + -1cos(2x) = 0

Remove parenthesis around (4x)
cos * 4x + -1cos(2x) = 0

Reorder the terms for easier multiplication:
4cos * x + -1cos(2x) = 0

Multiply cos * x
4cosx + -1cos(2x) = 0

Remove parenthesis around (2x)
4cosx + -1cos * 2x = 0

Reorder the terms for easier multiplication:
4cosx + -1 * 2cos * x = 0

Multiply -1 * 2
4cosx + -2cos * x = 0

Multiply cos * x
4cosx + -2cosx = 0

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

Solving
2cosx = 0

Solving for variable 'c'.

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

Divide each side by '2'.
cosx = 0

Simplifying
cosx = 0

The solution to this equation could not be determined.

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