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Simplifying -1(3cos(2x) + cos(6x)) = 0 Remove parenthesis around (2x) -1(3cos * 2x + cos(6x)) = 0 Reorder the terms for easier multiplication: -1(3 * 2cos * x + cos(6x)) = 0 Multiply 3 * 2 -1(6cos * x + cos(6x)) = 0 Multiply cos * x -1(6cosx + cos(6x)) = 0 Remove parenthesis around (6x) -1(6cosx + cos * 6x) = 0 Reorder the terms for easier multiplication: -1(6cosx + 6cos * x) = 0 Multiply cos * x -1(6cosx + 6cosx) = 0 Combine like terms: 6cosx + 6cosx = 12cosx -1(12cosx) = 0 Remove parenthesis around (12cosx) -1 * 12cosx = 0 Multiply -1 * 12 -12cosx = 0 Solving -12cosx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '-12'. cosx = 0 Simplifying cosx = 0 The solution to this equation could not be determined.
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