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