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Simplifying 2cos2x + 3osx + 1 = 0 Reorder the terms: 1 + 2cos2x + 3osx = 0 Solving 1 + 2cos2x + 3osx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + 2cos2x + -1 + 3osx = 0 + -1 Reorder the terms: 1 + -1 + 2cos2x + 3osx = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2cos2x + 3osx = 0 + -1 2cos2x + 3osx = 0 + -1 Combine like terms: 0 + -1 = -1 2cos2x + 3osx = -1 Add '-3osx' to each side of the equation. 2cos2x + 3osx + -3osx = -1 + -3osx Combine like terms: 3osx + -3osx = 0 2cos2x + 0 = -1 + -3osx 2cos2x = -1 + -3osx Divide each side by '2os2x'. c = -0.5o-1s-2x-1 + -1.5s-1 Simplifying c = -0.5o-1s-2x-1 + -1.5s-1
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