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Simplifying 2cos(3x) = 3cos(5x) Remove parenthesis around (3x) 2cos * 3x = 3cos(5x) Reorder the terms for easier multiplication: 2 * 3cos * x = 3cos(5x) Multiply 2 * 3 6cos * x = 3cos(5x) Multiply cos * x 6cosx = 3cos(5x) Remove parenthesis around (5x) 6cosx = 3cos * 5x Reorder the terms for easier multiplication: 6cosx = 3 * 5cos * x Multiply 3 * 5 6cosx = 15cos * x Multiply cos * x 6cosx = 15cosx Solving 6cosx = 15cosx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-15cosx' to each side of the equation. 6cosx + -15cosx = 15cosx + -15cosx Combine like terms: 6cosx + -15cosx = -9cosx -9cosx = 15cosx + -15cosx Combine like terms: 15cosx + -15cosx = 0 -9cosx = 0 Divide each side by '-9'. cosx = 0 Simplifying cosx = 0 The solution to this equation could not be determined.
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