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Simplifying 1 + -2cos * x * sin * x = 1 Multiply cos * x 1 + -2cosx * ins * x = 1 Multiply cosx * ins 1 + -2cinos2x * x = 1 Multiply cinos2x * x 1 + -2cinos2x2 = 1 Add '-1' to each side of the equation. 1 + -1 + -2cinos2x2 = 1 + -1 Combine like terms: 1 + -1 = 0 0 + -2cinos2x2 = 1 + -1 -2cinos2x2 = 1 + -1 Combine like terms: 1 + -1 = 0 -2cinos2x2 = 0 Solving -2cinos2x2 = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '-2'. cinos2x2 = 0 Simplifying cinos2x2 = 0 The solution to this equation could not be determined.
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