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Simplifying 2Cos(x) + 2Cos(2x) = 0 Multiply osC * x 2osxC + 2Cos(2x) = 0 Remove parenthesis around (2x) 2osxC + 2osC * 2x = 0 Reorder the terms for easier multiplication: 2osxC + 2 * 2osC * x = 0 Multiply 2 * 2 2osxC + 4osC * x = 0 Multiply osC * x 2osxC + 4osxC = 0 Combine like terms: 2osxC + 4osxC = 6osxC 6osxC = 0 Solving 6osxC = 0 Solving for variable 'o'. Move all terms containing o to the left, all other terms to the right. Divide each side by '6'. osxC = 0 Simplifying osxC = 0 The solution to this equation could not be determined.
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