Cos^2x+6cosx+6=0

Solution for Cos^2x+6cosx+6=0 equation:

Simplifying
Cos2x + 6cosx + 6 = 0

Reorder the terms:
6 + 6cosx + os2xC = 0

Solving
6 + 6cosx + os2xC = 0

Solving for variable 'c'.

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

Add '-6' to each side of the equation.
6 + 6cosx + -6 + os2xC = 0 + -6

Reorder the terms:
6 + -6 + 6cosx + os2xC = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 6cosx + os2xC = 0 + -6
6cosx + os2xC = 0 + -6

Combine like terms: 0 + -6 = -6
6cosx + os2xC = -6

Add '-1os2xC' to each side of the equation.
6cosx + os2xC + -1os2xC = -6 + -1os2xC

Combine like terms: os2xC + -1os2xC = 0
6cosx + 0 = -6 + -1os2xC
6cosx = -6 + -1os2xC

Divide each side by '6osx'.
c = -1o-1s-1x-1 + -0.1666666667sC

Simplifying
c = -1o-1s-1x-1 + -0.1666666667sC