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Simplifying y(x) = 3cos(5x + -4) + 1 Multiply y * x xy = 3cos(5x + -4) + 1 Reorder the terms: xy = 3cos(-4 + 5x) + 1 xy = (-4 * 3cos + 5x * 3cos) + 1 xy = (-12cos + 15cosx) + 1 Reorder the terms: xy = 1 + -12cos + 15cosx Solving xy = 1 + -12cos + 15cosx Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15cosx' to each side of the equation. -15cosx + xy = 1 + -12cos + 15cosx + -15cosx Combine like terms: 15cosx + -15cosx = 0 -15cosx + xy = 1 + -12cos + 0 -15cosx + xy = 1 + -12cos Reorder the terms: -1 + 12cos + -15cosx + xy = 1 + -12cos + -1 + 12cos Reorder the terms: -1 + 12cos + -15cosx + xy = 1 + -1 + -12cos + 12cos Combine like terms: 1 + -1 = 0 -1 + 12cos + -15cosx + xy = 0 + -12cos + 12cos -1 + 12cos + -15cosx + xy = -12cos + 12cos Combine like terms: -12cos + 12cos = 0 -1 + 12cos + -15cosx + xy = 0 The solution to this equation could not be determined.
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