8cos^2x-2cosx=0

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Solution for 8cos^2x-2cosx=0 equation:


Simplifying
8cos2x + -2cosx = 0

Reorder the terms:
-2cosx + 8cos2x = 0

Solving
-2cosx + 8cos2x = 0

Solving for variable 'c'.

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

Factor out the Greatest Common Factor (GCF), '2cosx'.
2cosx(-1 + 4s) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'cosx' equal to zero and attempt to solve: Simplifying cosx = 0 Solving cosx = 0 Move all terms containing c to the left, all other terms to the right. Simplifying cosx = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(-1 + 4s)' equal to zero and attempt to solve: Simplifying -1 + 4s = 0 Solving -1 + 4s = 0 Move all terms containing c to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + 4s = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 4s = 0 + 1 4s = 0 + 1 Combine like terms: 0 + 1 = 1 4s = 1 Add '-4s' to each side of the equation. 4s + -4s = 1 + -4s Combine like terms: 4s + -4s = 0 0 = 1 + -4s Simplifying 0 = 1 + -4s The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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