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Simplifying 4(sin(4x)) = -8(sin(2x)) Remove parenthesis around (4x) 4(ins * 4x) = -8(sin(2x)) Reorder the terms for easier multiplication: 4(4ins * x) = -8(sin(2x)) Multiply ins * x 4(4insx) = -8(sin(2x)) Remove parenthesis around (4insx) 4 * 4insx = -8(sin(2x)) Multiply 4 * 4 16insx = -8(sin(2x)) Remove parenthesis around (2x) 16insx = -8(ins * 2x) Reorder the terms for easier multiplication: 16insx = -8(2ins * x) Multiply ins * x 16insx = -8(2insx) Remove parenthesis around (2insx) 16insx = -8 * 2insx Multiply -8 * 2 16insx = -16insx Solving 16insx = -16insx Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '16insx' to each side of the equation. 16insx + 16insx = -16insx + 16insx Combine like terms: 16insx + 16insx = 32insx 32insx = -16insx + 16insx Combine like terms: -16insx + 16insx = 0 32insx = 0 Divide each side by '32'. insx = 0 Simplifying insx = 0 The solution to this equation could not be determined.
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