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Simplifying sin(5x) * cos(9x) + -1cos(5x) * sin(9x) = 0.55 Remove parenthesis around (5x) ins * 5x * cos(9x) + -1cos(5x) * sin(9x) = 0.55 Remove parenthesis around (9x) ins * 5x * cos * 9x + -1cos(5x) * sin(9x) = 0.55 Reorder the terms for easier multiplication: 5 * 9ins * x * cos * x + -1cos(5x) * sin(9x) = 0.55 Multiply 5 * 9 45ins * x * cos * x + -1cos(5x) * sin(9x) = 0.55 Multiply ins * x 45insx * cos * x + -1cos(5x) * sin(9x) = 0.55 Multiply insx * cos 45cinos2x * x + -1cos(5x) * sin(9x) = 0.55 Multiply cinos2x * x 45cinos2x2 + -1cos(5x) * sin(9x) = 0.55 Remove parenthesis around (5x) 45cinos2x2 + -1cos * 5x * sin(9x) = 0.55 Remove parenthesis around (9x) 45cinos2x2 + -1cos * 5x * ins * 9x = 0.55 Reorder the terms for easier multiplication: 45cinos2x2 + -1 * 5 * 9cos * x * ins * x = 0.55 Multiply -1 * 5 45cinos2x2 + -5 * 9cos * x * ins * x = 0.55 Multiply -5 * 9 45cinos2x2 + -45cos * x * ins * x = 0.55 Multiply cos * x 45cinos2x2 + -45cosx * ins * x = 0.55 Multiply cosx * ins 45cinos2x2 + -45cinos2x * x = 0.55 Multiply cinos2x * x 45cinos2x2 + -45cinos2x2 = 0.55 Combine like terms: 45cinos2x2 + -45cinos2x2 = 0 0 = 0.55 Solving 0 = 0.55 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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