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

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


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

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

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

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

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

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

Multiply 2 * 4
2cosx + 8cos * x = 0

Multiply cos * x
2cosx + 8cosx = 0

Combine like terms: 2cosx + 8cosx = 10cosx
10cosx = 0

Solving
10cosx = 0

Solving for variable 'c'.

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

Divide each side by '10'.
cosx = 0.0

Simplifying
cosx = 0.0

The solution to this equation could not be determined.

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