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Simplifying sin(6x) * cos(5x) + -1cos(6x) * sin(5x) = 1 Remove parenthesis around (6x) ins * 6x * cos(5x) + -1cos(6x) * sin(5x) = 1 Remove parenthesis around (5x) ins * 6x * cos * 5x + -1cos(6x) * sin(5x) = 1 Reorder the terms for easier multiplication: 6 * 5ins * x * cos * x + -1cos(6x) * sin(5x) = 1 Multiply 6 * 5 30ins * x * cos * x + -1cos(6x) * sin(5x) = 1 Multiply ins * x 30insx * cos * x + -1cos(6x) * sin(5x) = 1 Multiply insx * cos 30cinos2x * x + -1cos(6x) * sin(5x) = 1 Multiply cinos2x * x 30cinos2x2 + -1cos(6x) * sin(5x) = 1 Remove parenthesis around (6x) 30cinos2x2 + -1cos * 6x * sin(5x) = 1 Remove parenthesis around (5x) 30cinos2x2 + -1cos * 6x * ins * 5x = 1 Reorder the terms for easier multiplication: 30cinos2x2 + -1 * 6 * 5cos * x * ins * x = 1 Multiply -1 * 6 30cinos2x2 + -6 * 5cos * x * ins * x = 1 Multiply -6 * 5 30cinos2x2 + -30cos * x * ins * x = 1 Multiply cos * x 30cinos2x2 + -30cosx * ins * x = 1 Multiply cosx * ins 30cinos2x2 + -30cinos2x * x = 1 Multiply cinos2x * x 30cinos2x2 + -30cinos2x2 = 1 Combine like terms: 30cinos2x2 + -30cinos2x2 = 0 0 = 1 Solving 0 = 1 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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