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Simplifying (2sinx + -1)(3cosx + -1) = 0 Reorder the terms: (-1 + 2insx)(3cosx + -1) = 0 Reorder the terms: (-1 + 2insx)(-1 + 3cosx) = 0 Multiply (-1 + 2insx) * (-1 + 3cosx) (-1(-1 + 3cosx) + 2insx * (-1 + 3cosx)) = 0 ((-1 * -1 + 3cosx * -1) + 2insx * (-1 + 3cosx)) = 0 ((1 + -3cosx) + 2insx * (-1 + 3cosx)) = 0 (1 + -3cosx + (-1 * 2insx + 3cosx * 2insx)) = 0 Reorder the terms: (1 + -3cosx + (6cinos2x2 + -2insx)) = 0 (1 + -3cosx + (6cinos2x2 + -2insx)) = 0 Reorder the terms: (1 + 6cinos2x2 + -3cosx + -2insx) = 0 (1 + 6cinos2x2 + -3cosx + -2insx) = 0 Solving 1 + 6cinos2x2 + -3cosx + -2insx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + 6cinos2x2 + -3cosx + -1 + -2insx = 0 + -1 Reorder the terms: 1 + -1 + 6cinos2x2 + -3cosx + -2insx = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 6cinos2x2 + -3cosx + -2insx = 0 + -1 6cinos2x2 + -3cosx + -2insx = 0 + -1 Combine like terms: 0 + -1 = -1 6cinos2x2 + -3cosx + -2insx = -1 Add '2insx' to each side of the equation. 6cinos2x2 + -3cosx + -2insx + 2insx = -1 + 2insx Combine like terms: -2insx + 2insx = 0 6cinos2x2 + -3cosx + 0 = -1 + 2insx 6cinos2x2 + -3cosx = -1 + 2insx Reorder the terms: 1 + 6cinos2x2 + -3cosx + -2insx = -1 + 2insx + 1 + -2insx Reorder the terms: 1 + 6cinos2x2 + -3cosx + -2insx = -1 + 1 + 2insx + -2insx Combine like terms: -1 + 1 = 0 1 + 6cinos2x2 + -3cosx + -2insx = 0 + 2insx + -2insx 1 + 6cinos2x2 + -3cosx + -2insx = 2insx + -2insx Combine like terms: 2insx + -2insx = 0 1 + 6cinos2x2 + -3cosx + -2insx = 0 The solution to this equation could not be determined.
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