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Simplifying 2cos2(2x) + 3cos2 = 2 Remove parenthesis around (2x) 2cos2 * 2x + 3cos2 = 2 Reorder the terms for easier multiplication: 2 * 2cos2 * x + 3cos2 = 2 Multiply 2 * 2 4cos2 * x + 3cos2 = 2 Multiply cos2 * x 4cos2x + 3cos2 = 2 Reorder the terms: 3cos2 + 4cos2x = 2 Solving 3cos2 + 4cos2x = 2 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Reorder the terms: -2 + 3cos2 + 4cos2x = 2 + -2 Combine like terms: 2 + -2 = 0 -2 + 3cos2 + 4cos2x = 0 The solution to this equation could not be determined.
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