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Simplifying cos3 + -4cosx = 0 Reorder the terms: -4cosx + cos3 = 0 Solving -4cosx + cos3 = 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), 'cos'. cos(-4x + s2) = 0Subproblem 1
Set the factor 'cos' equal to zero and attempt to solve: Simplifying cos = 0 Solving cos = 0 Move all terms containing c to the left, all other terms to the right. Simplifying cos = 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 '(-4x + s2)' equal to zero and attempt to solve: Simplifying -4x + s2 = 0 Reorder the terms: s2 + -4x = 0 Solving s2 + -4x = 0 Move all terms containing c to the left, all other terms to the right. Add '-1s2' to each side of the equation. s2 + -1s2 + -4x = 0 + -1s2 Combine like terms: s2 + -1s2 = 0 0 + -4x = 0 + -1s2 -4x = 0 + -1s2 Remove the zero: -4x = -1s2 Add '4x' to each side of the equation. -4x + 4x = -1s2 + 4x Combine like terms: -4x + 4x = 0 0 = -1s2 + 4x Simplifying 0 = -1s2 + 4x 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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