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Simplifying tan(2x) = -1tan(x) Remove parenthesis around (2x) ant * 2x = -1tan(x) Reorder the terms for easier multiplication: 2ant * x = -1tan(x) Multiply ant * x 2antx = -1tan(x) Multiply ant * x 2antx = -1antx Solving 2antx = -1antx Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add 'antx' to each side of the equation. 2antx + antx = -1antx + antx Combine like terms: 2antx + antx = 3antx 3antx = -1antx + antx Combine like terms: -1antx + antx = 0 3antx = 0 Divide each side by '3'. antx = 0 Simplifying antx = 0 The solution to this equation could not be determined.
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