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Simplifying Cotx * cos2x = 2cosx Multiply otxC * cos2x co2s2tx2C = 2cosx Solving co2s2tx2C = 2cosx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-2cosx' to each side of the equation. -2cosx + co2s2tx2C = 2cosx + -2cosx Combine like terms: 2cosx + -2cosx = 0 -2cosx + co2s2tx2C = 0 Factor out the Greatest Common Factor (GCF), 'cosx'. cosx(-2 + ostxC) = 0Subproblem 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 '(-2 + ostxC)' equal to zero and attempt to solve: Simplifying -2 + ostxC = 0 Solving -2 + ostxC = 0 Move all terms containing c to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + ostxC = 0 + 2 Combine like terms: -2 + 2 = 0 0 + ostxC = 0 + 2 ostxC = 0 + 2 Combine like terms: 0 + 2 = 2 ostxC = 2 Add '-1ostxC' to each side of the equation. ostxC + -1ostxC = 2 + -1ostxC Combine like terms: ostxC + -1ostxC = 0 0 = 2 + -1ostxC Simplifying 0 = 2 + -1ostxC 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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