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Simplifying 2 = 1 + -2cosx Solving 2 = 1 + -2cosx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '2cosx' to each side of the equation. 2 + 2cosx = 1 + -2cosx + 2cosx Combine like terms: -2cosx + 2cosx = 0 2 + 2cosx = 1 + 0 2 + 2cosx = 1 Add '-2' to each side of the equation. 2 + -2 + 2cosx = 1 + -2 Combine like terms: 2 + -2 = 0 0 + 2cosx = 1 + -2 2cosx = 1 + -2 Combine like terms: 1 + -2 = -1 2cosx = -1 Divide each side by '2osx'. c = -0.5o-1s-1x-1 Simplifying c = -0.5o-1s-1x-1
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