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Simplifying 2cos2x + 1 = 1 Reorder the terms: 1 + 2cos2x = 1 Add '-1' to each side of the equation. 1 + -1 + 2cos2x = 1 + -1 Combine like terms: 1 + -1 = 0 0 + 2cos2x = 1 + -1 2cos2x = 1 + -1 Combine like terms: 1 + -1 = 0 2cos2x = 0 Solving 2cos2x = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '2'. cos2x = 0 Simplifying cos2x = 0 The solution to this equation could not be determined.
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