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Simplifying 1 + cos(x) = 3cos(x) Multiply cos * x 1 + cosx = 3cos(x) Multiply cos * x 1 + cosx = 3cosx Solving 1 + cosx = 3cosx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-3cosx' to each side of the equation. 1 + cosx + -3cosx = 3cosx + -3cosx Combine like terms: cosx + -3cosx = -2cosx 1 + -2cosx = 3cosx + -3cosx Combine like terms: 3cosx + -3cosx = 0 1 + -2cosx = 0 Add '-1' to each side of the equation. 1 + -1 + -2cosx = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2cosx = 0 + -1 -2cosx = 0 + -1 Combine like terms: 0 + -1 = -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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