2cos*2x+cos*4x=0

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Solution for 2cos*2x+cos*4x=0 equation:


Simplifying
2cos * 2x + cos * 4x = 0

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

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

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

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

Multiply cos * x
4cosx + 4cosx = 0

Combine like terms: 4cosx + 4cosx = 8cosx
8cosx = 0

Solving
8cosx = 0

Solving for variable 'c'.

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

Divide each side by '8'.
cosx = 0

Simplifying
cosx = 0

The solution to this equation could not be determined.

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