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Simplifying sin2x + -1cos2x = 1 + cosx Reorder the terms: -1cos2x + in2sx = 1 + cosx Solving -1cos2x + in2sx = 1 + cosx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-1cosx' to each side of the equation. -1cos2x + -1cosx + in2sx = 1 + cosx + -1cosx Reorder the terms: -1cosx + -1cos2x + in2sx = 1 + cosx + -1cosx Combine like terms: cosx + -1cosx = 0 -1cosx + -1cos2x + in2sx = 1 + 0 -1cosx + -1cos2x + in2sx = 1 Add '-1in2sx' to each side of the equation. -1cosx + -1cos2x + in2sx + -1in2sx = 1 + -1in2sx Combine like terms: in2sx + -1in2sx = 0 -1cosx + -1cos2x + 0 = 1 + -1in2sx -1cosx + -1cos2x = 1 + -1in2sx Reorder the terms: -1 + -1cosx + -1cos2x + in2sx = 1 + -1in2sx + -1 + in2sx Reorder the terms: -1 + -1cosx + -1cos2x + in2sx = 1 + -1 + -1in2sx + in2sx Combine like terms: 1 + -1 = 0 -1 + -1cosx + -1cos2x + in2sx = 0 + -1in2sx + in2sx -1 + -1cosx + -1cos2x + in2sx = -1in2sx + in2sx Combine like terms: -1in2sx + in2sx = 0 -1 + -1cosx + -1cos2x + in2sx = 0 The solution to this equation could not be determined.
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