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Simplifying y = cos(2y) Remove parenthesis around (2y) y = cos * 2y Reorder the terms for easier multiplication: y = 2cos * y Multiply cos * y y = 2cosy Solving y = 2cosy Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-2cosy' to each side of the equation. -2cosy + y = 2cosy + -2cosy Combine like terms: 2cosy + -2cosy = 0 -2cosy + y = 0 Factor out the Greatest Common Factor (GCF), 'y'. y(-2cos + 1) = 0Subproblem 1
Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0Subproblem 2
Set the factor '(-2cos + 1)' equal to zero and attempt to solve: Simplifying -2cos + 1 = 0 Reorder the terms: 1 + -2cos = 0 Solving 1 + -2cos = 0 Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2cos = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2cos = 0 + -1 -2cos = 0 + -1 Combine like terms: 0 + -1 = -1 -2cos = -1 Add '2cos' to each side of the equation. -2cos + 2cos = -1 + 2cos Combine like terms: -2cos + 2cos = 0 0 = -1 + 2cos Simplifying 0 = -1 + 2cos The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Solution
y = {0}
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