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Simplifying cosx * cos(2x) + -1senx = 0 Remove parenthesis around (2x) cosx * cos * 2x + -1senx = 0 Reorder the terms for easier multiplication: 2cosx * cos * x + -1senx = 0 Multiply cosx * cos 2c2o2s2x * x + -1senx = 0 Multiply c2o2s2x * x 2c2o2s2x2 + -1senx = 0 Solving 2c2o2s2x2 + -1ensx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add 'ensx' to each side of the equation. 2c2o2s2x2 + -1ensx + ensx = 0 + ensx Combine like terms: -1ensx + ensx = 0 2c2o2s2x2 + 0 = 0 + ensx 2c2o2s2x2 = 0 + ensx Remove the zero: 2c2o2s2x2 = ensx Divide each side by '2o2s2x2'. c2 = 0.5eno-2s-1x-1 Simplifying c2 = 0.5eno-2s-1x-1 Combine like terms: 0.5eno-2s-1x-1 + -0.5eno-2s-1x-1 = 0.0 c2 + -0.5eno-2s-1x-1 = 0.0 The solution to this equation could not be determined.
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