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Simplifying sin(7x) = sin(2x) Remove parenthesis around (7x) ins * 7x = sin(2x) Reorder the terms for easier multiplication: 7ins * x = sin(2x) Multiply ins * x 7insx = sin(2x) Remove parenthesis around (2x) 7insx = ins * 2x Reorder the terms for easier multiplication: 7insx = 2ins * x Multiply ins * x 7insx = 2insx Solving 7insx = 2insx Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '-2insx' to each side of the equation. 7insx + -2insx = 2insx + -2insx Combine like terms: 7insx + -2insx = 5insx 5insx = 2insx + -2insx Combine like terms: 2insx + -2insx = 0 5insx = 0 Divide each side by '5'. insx = 0 Simplifying insx = 0 The solution to this equation could not be determined.
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