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Simplifying 4cos2(x) + 2 = 5 Multiply cos2 * x 4cos2x + 2 = 5 Reorder the terms: 2 + 4cos2x = 5 Solving 2 + 4cos2x = 5 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 4cos2x = 5 + -2 Combine like terms: 2 + -2 = 0 0 + 4cos2x = 5 + -2 4cos2x = 5 + -2 Combine like terms: 5 + -2 = 3 4cos2x = 3 Divide each side by '4os2x'. c = 0.75o-1s-2x-1 Simplifying c = 0.75o-1s-2x-1
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