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Simplifying 2cos2(2x) + 1 = 2senx * cosx Remove parenthesis around (2x) 2cos2 * 2x + 1 = 2senx * cosx Reorder the terms for easier multiplication: 2 * 2cos2 * x + 1 = 2senx * cosx Multiply 2 * 2 4cos2 * x + 1 = 2senx * cosx Multiply cos2 * x 4cos2x + 1 = 2senx * cosx Reorder the terms: 1 + 4cos2x = 2senx * cosx Multiply ensx * cosx 1 + 4cos2x = 2cenos2x2 Solving 1 + 4cos2x = 2cenos2x2 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-2cenos2x2' to each side of the equation. 1 + -2cenos2x2 + 4cos2x = 2cenos2x2 + -2cenos2x2 Combine like terms: 2cenos2x2 + -2cenos2x2 = 0 1 + -2cenos2x2 + 4cos2x = 0 Add '-1' to each side of the equation. 1 + -2cenos2x2 + -1 + 4cos2x = 0 + -1 Reorder the terms: 1 + -1 + -2cenos2x2 + 4cos2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2cenos2x2 + 4cos2x = 0 + -1 -2cenos2x2 + 4cos2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2cenos2x2 + 4cos2x = -1 Reorder the terms: 1 + -2cenos2x2 + 4cos2x = -1 + 1 Combine like terms: -1 + 1 = 0 1 + -2cenos2x2 + 4cos2x = 0 The solution to this equation could not be determined.
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