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Simplifying -2sin(x)(2cos(x) + 1) = 0 Multiply cos * x -2ins * x(2cosx + 1) = 0 Reorder the terms: -2ins * x(1 + 2cosx) = 0 Multiply ins * x -2insx(1 + 2cosx) = 0 (1 * -2insx + 2cosx * -2insx) = 0 Reorder the terms: (-4cinos2x2 + -2insx) = 0 (-4cinos2x2 + -2insx) = 0 Solving -4cinos2x2 + -2insx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '2insx' to each side of the equation. -4cinos2x2 + -2insx + 2insx = 0 + 2insx Combine like terms: -2insx + 2insx = 0 -4cinos2x2 + 0 = 0 + 2insx -4cinos2x2 = 0 + 2insx Remove the zero: -4cinos2x2 = 2insx Divide each side by '-4inos2x2'. c = -0.5o-1s-1x-1 Simplifying c = -0.5o-1s-1x-1
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