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Simplifying 0 = 2sin2x + sinx + -1 Reorder the terms: 0 = -1 + insx + 2in2sx Solving 0 = -1 + insx + 2in2sx Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '-1insx' to each side of the equation. 0 + -1insx = -1 + insx + -1insx + 2in2sx Remove the zero: -1insx = -1 + insx + -1insx + 2in2sx Combine like terms: insx + -1insx = 0 -1insx = -1 + 0 + 2in2sx -1insx = -1 + 2in2sx Add '-2in2sx' to each side of the equation. -1insx + -2in2sx = -1 + 2in2sx + -2in2sx Combine like terms: 2in2sx + -2in2sx = 0 -1insx + -2in2sx = -1 + 0 -1insx + -2in2sx = -1 Reorder the terms: 1 + -1insx + -2in2sx = -1 + 1 Combine like terms: -1 + 1 = 0 1 + -1insx + -2in2sx = 0 The solution to this equation could not be determined.
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