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Simplifying sen(2x) + -1cos(x) = 0 Remove parenthesis around (2x) ens * 2x + -1cos(x) = 0 Reorder the terms for easier multiplication: 2ens * x + -1cos(x) = 0 Multiply ens * x 2ensx + -1cos(x) = 0 Multiply cos * x 2ensx + -1cosx = 0 Reorder the terms: -1cosx + 2ensx = 0 Solving -1cosx + 2ensx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-2ensx' to each side of the equation. -1cosx + 2ensx + -2ensx = 0 + -2ensx Combine like terms: 2ensx + -2ensx = 0 -1cosx + 0 = 0 + -2ensx -1cosx = 0 + -2ensx Remove the zero: -1cosx = -2ensx Divide each side by '-1osx'. c = 2eno-1 Simplifying c = 2eno-1
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