cos^2x+4cosx=-3

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Solution for cos^2x+4cosx=-3 equation: 


Simplifying
cos2x + 4cosx = -3

Reorder the terms:
4cosx + cos2x = -3

Solving
4cosx + cos2x = -3

Solving for variable 'c'.

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

Reorder the terms:
3 + 4cosx + cos2x = -3 + 3

Combine like terms: -3 + 3 = 0
3 + 4cosx + cos2x = 0

The solution to this equation could not be determined.

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