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Simplifying 3cos(x) = 1 + cos(x) Multiply cos * x 3cosx = 1 + cos(x) Multiply cos * x 3cosx = 1 + cosx Solving 3cosx = 1 + cosx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-1cosx' to each side of the equation. 3cosx + -1cosx = 1 + cosx + -1cosx Combine like terms: 3cosx + -1cosx = 2cosx 2cosx = 1 + cosx + -1cosx Combine like terms: cosx + -1cosx = 0 2cosx = 1 + 0 2cosx = 1 Divide each side by '2osx'. c = 0.5o-1s-1x-1 Simplifying c = 0.5o-1s-1x-1
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