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Simplifying 3sen(2x) = cos(x) Remove parenthesis around (2x) 3ens * 2x = cos(x) Reorder the terms for easier multiplication: 3 * 2ens * x = cos(x) Multiply 3 * 2 6ens * x = cos(x) Multiply ens * x 6ensx = cos(x) Multiply cos * x 6ensx = cosx Solving 6ensx = cosx Solving for variable 'e'. Move all terms containing e to the left, all other terms to the right. Divide each side by '6nsx'. e = 0.1666666667cn-1o Simplifying e = 0.1666666667cn-1o
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