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Simplifying Sen(2x) = -1cos(3x) Remove parenthesis around (2x) enS * 2x = -1cos(3x) Reorder the terms for easier multiplication: 2enS * x = -1cos(3x) Multiply enS * x 2enxS = -1cos(3x) Remove parenthesis around (3x) 2enxS = -1cos * 3x Reorder the terms for easier multiplication: 2enxS = -1 * 3cos * x Multiply -1 * 3 2enxS = -3cos * x Multiply cos * x 2enxS = -3cosx Solving 2enxS = -3cosx Solving for variable 'e'. Move all terms containing e to the left, all other terms to the right. Divide each side by '2nxS'. e = -1.5cn-1osS-1 Simplifying e = -1.5cn-1osS-1
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