COS(5X)+2COS(2X)+COSX=0

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Solution for COS(5X)+2COS(2X)+COSX=0 equation: 


Simplifying
COS(5X) + 2COS(2X) + COSX = 0

Remove parenthesis around (5X)
COS * 5X + 2COS(2X) + COSX = 0

Reorder the terms for easier multiplication:
5COS * X + 2COS(2X) + COSX = 0

Multiply COS * X
5COSX + 2COS(2X) + COSX = 0

Remove parenthesis around (2X)
5COSX + 2COS * 2X + COSX = 0

Reorder the terms for easier multiplication:
5COSX + 2 * 2COS * X + COSX = 0

Multiply 2 * 2
5COSX + 4COS * X + COSX = 0

Multiply COS * X
5COSX + 4COSX + COSX = 0

Combine like terms: 5COSX + 4COSX = 9COSX
9COSX + COSX = 0

Combine like terms: 9COSX + COSX = 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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