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Simplifying 4cos(2x) + -2sin(x) + -3 = 0 Remove parenthesis around (2x) 4cos * 2x + -2sin(x) + -3 = 0 Reorder the terms for easier multiplication: 4 * 2cos * x + -2sin(x) + -3 = 0 Multiply 4 * 2 8cos * x + -2sin(x) + -3 = 0 Multiply cos * x 8cosx + -2sin(x) + -3 = 0 Multiply ins * x 8cosx + -2insx + -3 = 0 Reorder the terms: -3 + 8cosx + -2insx = 0 Solving -3 + 8cosx + -2insx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 8cosx + 3 + -2insx = 0 + 3 Reorder the terms: -3 + 3 + 8cosx + -2insx = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 8cosx + -2insx = 0 + 3 8cosx + -2insx = 0 + 3 Combine like terms: 0 + 3 = 3 8cosx + -2insx = 3 Add '2insx' to each side of the equation. 8cosx + -2insx + 2insx = 3 + 2insx Combine like terms: -2insx + 2insx = 0 8cosx + 0 = 3 + 2insx 8cosx = 3 + 2insx Divide each side by '8osx'. c = 0.375o-1s-1x-1 + 0.25ino-1 Simplifying c = 0.375o-1s-1x-1 + 0.25ino-1 Reorder the terms: c = 0.25ino-1 + 0.375o-1s-1x-1
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