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

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

Simplifying
3 + -3cos(x) + -2cos2(x) = 0

Multiply cos * x
3 + -3cosx + -2cos2(x) = 0

Multiply cos2 * x
3 + -3cosx + -2cos2x = 0

Solving
3 + -3cosx + -2cos2x = 0

Solving for variable 'c'.

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

Add '-3' to each side of the equation.
3 + -3cosx + -3 + -2cos2x = 0 + -3

Reorder the terms:
3 + -3 + -3cosx + -2cos2x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -3cosx + -2cos2x = 0 + -3
-3cosx + -2cos2x = 0 + -3

Combine like terms: 0 + -3 = -3
-3cosx + -2cos2x = -3

Reorder the terms:
3 + -3cosx + -2cos2x = -3 + 3

Combine like terms: -3 + 3 = 0
3 + -3cosx + -2cos2x = 0

The solution to this equation could not be determined.