cos^2(x)+6cosx+2=0

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Solution for cos^2(x)+6cosx+2=0 equation:


Simplifying
cos2(x) + 6cosx + 2 = 0

Multiply cos2 * x
cos2x + 6cosx + 2 = 0

Reorder the terms:
2 + 6cosx + cos2x = 0

Solving
2 + 6cosx + cos2x = 0

Solving for variable 'c'.

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

Add '-2' to each side of the equation.
2 + 6cosx + -2 + cos2x = 0 + -2

Reorder the terms:
2 + -2 + 6cosx + cos2x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 6cosx + cos2x = 0 + -2
6cosx + cos2x = 0 + -2

Combine like terms: 0 + -2 = -2
6cosx + cos2x = -2

Reorder the terms:
2 + 6cosx + cos2x = -2 + 2

Combine like terms: -2 + 2 = 0
2 + 6cosx + cos2x = 0

The solution to this equation could not be determined.

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