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Simplifying sin(5x) * cos(6x) + cos(6x) * sin(5x) = 0 Remove parenthesis around (5x) ins * 5x * cos(6x) + cos(6x) * sin(5x) = 0 Remove parenthesis around (6x) ins * 5x * cos * 6x + cos(6x) * sin(5x) = 0 Reorder the terms for easier multiplication: 5 * 6ins * x * cos * x + cos(6x) * sin(5x) = 0 Multiply 5 * 6 30ins * x * cos * x + cos(6x) * sin(5x) = 0 Multiply ins * x 30insx * cos * x + cos(6x) * sin(5x) = 0 Multiply insx * cos 30cinos2x * x + cos(6x) * sin(5x) = 0 Multiply cinos2x * x 30cinos2x2 + cos(6x) * sin(5x) = 0 Remove parenthesis around (6x) 30cinos2x2 + cos * 6x * sin(5x) = 0 Remove parenthesis around (5x) 30cinos2x2 + cos * 6x * ins * 5x = 0 Reorder the terms for easier multiplication: 30cinos2x2 + 6 * 5cos * x * ins * x = 0 Multiply 6 * 5 30cinos2x2 + 30cos * x * ins * x = 0 Multiply cos * x 30cinos2x2 + 30cosx * ins * x = 0 Multiply cosx * ins 30cinos2x2 + 30cinos2x * x = 0 Multiply cinos2x * x 30cinos2x2 + 30cinos2x2 = 0 Combine like terms: 30cinos2x2 + 30cinos2x2 = 60cinos2x2 60cinos2x2 = 0 Solving 60cinos2x2 = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '60'. cinos2x2 = 0.0 Simplifying cinos2x2 = 0.0 The solution to this equation could not be determined.
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