cos(2x)-3cos+2=0

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Solution for cos(2x)-3cos+2=0 equation:


Simplifying
cos(2x) + -3cos + 2 = 0

Remove parenthesis around (2x)
cos * 2x + -3cos + 2 = 0

Reorder the terms for easier multiplication:
2cos * x + -3cos + 2 = 0

Multiply cos * x
2cosx + -3cos + 2 = 0

Reorder the terms:
2 + -3cos + 2cosx = 0

Solving
2 + -3cos + 2cosx = 0

Solving for variable 'c'.

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

Add '-2' to each side of the equation.
2 + -3cos + -2 + 2cosx = 0 + -2

Reorder the terms:
2 + -2 + -3cos + 2cosx = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -3cos + 2cosx = 0 + -2
-3cos + 2cosx = 0 + -2

Combine like terms: 0 + -2 = -2
-3cos + 2cosx = -2

Reorder the terms:
2 + -3cos + 2cosx = -2 + 2

Combine like terms: -2 + 2 = 0
2 + -3cos + 2cosx = 0

The solution to this equation could not be determined.

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