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Simplifying sin(2x) * cos(5x) + -1cos(2x) * sin(5x) = -0.15 Remove parenthesis around (2x) ins * 2x * cos(5x) + -1cos(2x) * sin(5x) = -0.15 Remove parenthesis around (5x) ins * 2x * cos * 5x + -1cos(2x) * sin(5x) = -0.15 Reorder the terms for easier multiplication: 2 * 5ins * x * cos * x + -1cos(2x) * sin(5x) = -0.15 Multiply 2 * 5 10ins * x * cos * x + -1cos(2x) * sin(5x) = -0.15 Multiply ins * x 10insx * cos * x + -1cos(2x) * sin(5x) = -0.15 Multiply insx * cos 10cinos2x * x + -1cos(2x) * sin(5x) = -0.15 Multiply cinos2x * x 10cinos2x2 + -1cos(2x) * sin(5x) = -0.15 Remove parenthesis around (2x) 10cinos2x2 + -1cos * 2x * sin(5x) = -0.15 Remove parenthesis around (5x) 10cinos2x2 + -1cos * 2x * ins * 5x = -0.15 Reorder the terms for easier multiplication: 10cinos2x2 + -1 * 2 * 5cos * x * ins * x = -0.15 Multiply -1 * 2 10cinos2x2 + -2 * 5cos * x * ins * x = -0.15 Multiply -2 * 5 10cinos2x2 + -10cos * x * ins * x = -0.15 Multiply cos * x 10cinos2x2 + -10cosx * ins * x = -0.15 Multiply cosx * ins 10cinos2x2 + -10cinos2x * x = -0.15 Multiply cinos2x * x 10cinos2x2 + -10cinos2x2 = -0.15 Combine like terms: 10cinos2x2 + -10cinos2x2 = 0 0 = -0.15 Solving 0 = -0.15 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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