cosine^2x+2cosx+1=0

Solution for cosine^2x+2cosx+1=0 equation:

Simplifying
cosine2x + 2cosx + 1 = 0

Reorder the terms:
1 + ce2inosx + 2cosx = 0

Solving
1 + ce2inosx + 2cosx = 0

Solving for variable 'c'.

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

Add '-1' to each side of the equation.
1 + ce2inosx + -1 + 2cosx = 0 + -1

Reorder the terms:
1 + -1 + ce2inosx + 2cosx = 0 + -1

Combine like terms: 1 + -1 = 0
0 + ce2inosx + 2cosx = 0 + -1
ce2inosx + 2cosx = 0 + -1

Combine like terms: 0 + -1 = -1
ce2inosx + 2cosx = -1

Reorder the terms:
1 + ce2inosx + 2cosx = -1 + 1

Combine like terms: -1 + 1 = 0
1 + ce2inosx + 2cosx = 0

The solution to this equation could not be determined.