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Simplifying sin(15x) = sin(7x) Remove parenthesis around (15x) ins * 15x = sin(7x) Reorder the terms for easier multiplication: 15ins * x = sin(7x) Multiply ins * x 15insx = sin(7x) Remove parenthesis around (7x) 15insx = ins * 7x Reorder the terms for easier multiplication: 15insx = 7ins * x Multiply ins * x 15insx = 7insx Solving 15insx = 7insx Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '-7insx' to each side of the equation. 15insx + -7insx = 7insx + -7insx Combine like terms: 15insx + -7insx = 8insx 8insx = 7insx + -7insx Combine like terms: 7insx + -7insx = 0 8insx = 0 Divide each side by '8'. insx = 0 Simplifying insx = 0 The solution to this equation could not be determined.
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