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Simplifying sin(4x) + -1sin(2x) + cos(3x) = 0 Remove parenthesis around (4x) ins * 4x + -1sin(2x) + cos(3x) = 0 Reorder the terms for easier multiplication: 4ins * x + -1sin(2x) + cos(3x) = 0 Multiply ins * x 4insx + -1sin(2x) + cos(3x) = 0 Remove parenthesis around (2x) 4insx + -1ins * 2x + cos(3x) = 0 Reorder the terms for easier multiplication: 4insx + -1 * 2ins * x + cos(3x) = 0 Multiply -1 * 2 4insx + -2ins * x + cos(3x) = 0 Multiply ins * x 4insx + -2insx + cos(3x) = 0 Remove parenthesis around (3x) 4insx + -2insx + cos * 3x = 0 Reorder the terms for easier multiplication: 4insx + -2insx + 3cos * x = 0 Multiply cos * x 4insx + -2insx + 3cosx = 0 Reorder the terms: 3cosx + 4insx + -2insx = 0 Combine like terms: 4insx + -2insx = 2insx 3cosx + 2insx = 0 Solving 3cosx + 2insx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-2insx' to each side of the equation. 3cosx + 2insx + -2insx = 0 + -2insx Combine like terms: 2insx + -2insx = 0 3cosx + 0 = 0 + -2insx 3cosx = 0 + -2insx Remove the zero: 3cosx = -2insx Divide each side by '3osx'. c = -0.6666666667ino-1 Simplifying c = -0.6666666667ino-1
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