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Simplifying Cos(2x) + -1Cos(x) = 0 Remove parenthesis around (2x) osC * 2x + -1Cos(x) = 0 Reorder the terms for easier multiplication: 2osC * x + -1Cos(x) = 0 Multiply osC * x 2osxC + -1Cos(x) = 0 Multiply osC * x 2osxC + -1osxC = 0 Combine like terms: 2osxC + -1osxC = 1osxC 1osxC = 0 Solving 1osxC = 0 Solving for variable 'o'. Move all terms containing o to the left, all other terms to the right. Divide each side by '1'. osxC = 0 Simplifying osxC = 0 The solution to this equation could not be determined.
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