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Simplifying 0 = 3sin(3x) + -1sin(x) Remove parenthesis around (3x) 0 = 3ins * 3x + -1sin(x) Reorder the terms for easier multiplication: 0 = 3 * 3ins * x + -1sin(x) Multiply 3 * 3 0 = 9ins * x + -1sin(x) Multiply ins * x 0 = 9insx + -1sin(x) Multiply ins * x 0 = 9insx + -1insx Combine like terms: 9insx + -1insx = 8insx 0 = 8insx Solving 0 = 8insx Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '-8insx' to each side of the equation. 0 + -8insx = 8insx + -8insx Remove the zero: -8insx = 8insx + -8insx Combine like terms: 8insx + -8insx = 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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