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Simplifying 0.5 = cos(3x) Remove parenthesis around (3x) 0.5 = cos * 3x Reorder the terms for easier multiplication: 0.5 = 3cos * x Multiply cos * x 0.5 = 3cosx Solving 0.5 = 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. 0.5 + -3cosx = 3cosx + -3cosx Combine like terms: 3cosx + -3cosx = 0 0.5 + -3cosx = 0 Add '-0.5' to each side of the equation. 0.5 + -0.5 + -3cosx = 0 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + -3cosx = 0 + -0.5 -3cosx = 0 + -0.5 Combine like terms: 0 + -0.5 = -0.5 -3cosx = -0.5 Divide each side by '-3osx'. c = 0.1666666667o-1s-1x-1 Simplifying c = 0.1666666667o-1s-1x-1
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