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Simplifying 2cos(2x) + sin(x) = 2 Remove parenthesis around (2x) 2cos * 2x + sin(x) = 2 Reorder the terms for easier multiplication: 2 * 2cos * x + sin(x) = 2 Multiply 2 * 2 4cos * x + sin(x) = 2 Multiply cos * x 4cosx + sin(x) = 2 Multiply ins * x 4cosx + insx = 2 Solving 4cosx + insx = 2 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-1insx' to each side of the equation. 4cosx + insx + -1insx = 2 + -1insx Combine like terms: insx + -1insx = 0 4cosx + 0 = 2 + -1insx 4cosx = 2 + -1insx Divide each side by '4osx'. c = 0.5o-1s-1x-1 + -0.25ino-1 Simplifying c = 0.5o-1s-1x-1 + -0.25ino-1 Reorder the terms: c = -0.25ino-1 + 0.5o-1s-1x-1
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