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Simplifying 6cos(2w) = 6cos2(w) + -1 Remove parenthesis around (2w) 6cos * 2w = 6cos2(w) + -1 Reorder the terms for easier multiplication: 6 * 2cos * w = 6cos2(w) + -1 Multiply 6 * 2 12cos * w = 6cos2(w) + -1 Multiply cos * w 12cosw = 6cos2(w) + -1 Multiply cos2 * w 12cosw = 6cos2w + -1 Reorder the terms: 12cosw = -1 + 6cos2w Solving 12cosw = -1 + 6cos2w Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-6cos2w' to each side of the equation. 12cosw + -6cos2w = -1 + 6cos2w + -6cos2w Combine like terms: 6cos2w + -6cos2w = 0 12cosw + -6cos2w = -1 + 0 12cosw + -6cos2w = -1 Reorder the terms: 1 + 12cosw + -6cos2w = -1 + 1 Combine like terms: -1 + 1 = 0 1 + 12cosw + -6cos2w = 0 The solution to this equation could not be determined.
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