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Simplifying 2 = 4cos2(x) + 1 Multiply cos2 * x 2 = 4cos2x + 1 Reorder the terms: 2 = 1 + 4cos2x Solving 2 = 1 + 4cos2x Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-4cos2x' to each side of the equation. 2 + -4cos2x = 1 + 4cos2x + -4cos2x Combine like terms: 4cos2x + -4cos2x = 0 2 + -4cos2x = 1 + 0 2 + -4cos2x = 1 Add '-2' to each side of the equation. 2 + -2 + -4cos2x = 1 + -2 Combine like terms: 2 + -2 = 0 0 + -4cos2x = 1 + -2 -4cos2x = 1 + -2 Combine like terms: 1 + -2 = -1 -4cos2x = -1 Divide each side by '-4os2x'. c = 0.25o-1s-2x-1 Simplifying c = 0.25o-1s-2x-1
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