F(x)=1-3cos(2x)

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Solution for F(x)=1-3cos(2x) equation:


Simplifying
F(x) = 1 + -3cos(2x)

Multiply F * x
xF = 1 + -3cos(2x)

Remove parenthesis around (2x)
xF = 1 + -3cos * 2x

Reorder the terms for easier multiplication:
xF = 1 + -3 * 2cos * x

Multiply -3 * 2
xF = 1 + -6cos * x

Multiply cos * x
xF = 1 + -6cosx

Solving
xF = 1 + -6cosx

Solving for variable 'x'.

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

Add '6cosx' to each side of the equation.
6cosx + xF = 1 + -6cosx + 6cosx

Combine like terms: -6cosx + 6cosx = 0
6cosx + xF = 1 + 0
6cosx + xF = 1

Reorder the terms:
-1 + 6cosx + xF = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + 6cosx + xF = 0

The solution to this equation could not be determined.

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