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Simplifying sin(3x + 13) + -1cos(4x) = 0 Reorder the terms: ins(13 + 3x) + -1cos(4x) = 0 (13 * ins + 3x * ins) + -1cos(4x) = 0 (13ins + 3insx) + -1cos(4x) = 0 Remove parenthesis around (4x) 13ins + 3insx + -1cos * 4x = 0 Reorder the terms for easier multiplication: 13ins + 3insx + -1 * 4cos * x = 0 Multiply -1 * 4 13ins + 3insx + -4cos * x = 0 Multiply cos * x 13ins + 3insx + -4cosx = 0 Reorder the terms: -4cosx + 13ins + 3insx = 0 Solving -4cosx + 13ins + 3insx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-13ins' to each side of the equation. -4cosx + 13ins + -13ins + 3insx = 0 + -13ins Combine like terms: 13ins + -13ins = 0 -4cosx + 0 + 3insx = 0 + -13ins -4cosx + 3insx = 0 + -13ins Remove the zero: -4cosx + 3insx = -13ins Add '-3insx' to each side of the equation. -4cosx + 3insx + -3insx = -13ins + -3insx Combine like terms: 3insx + -3insx = 0 -4cosx + 0 = -13ins + -3insx -4cosx = -13ins + -3insx Divide each side by '-4osx'. c = 3.25ino-1x-1 + 0.75ino-1 Simplifying c = 3.25ino-1x-1 + 0.75ino-1 Reorder the terms: c = 0.75ino-1 + 3.25ino-1x-1
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