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Simplifying sin(5x) * cos(2x) + cos(5x) * sin(2x) = -0.8 Remove parenthesis around (5x) ins * 5x * cos(2x) + cos(5x) * sin(2x) = -0.8 Remove parenthesis around (2x) ins * 5x * cos * 2x + cos(5x) * sin(2x) = -0.8 Reorder the terms for easier multiplication: 5 * 2ins * x * cos * x + cos(5x) * sin(2x) = -0.8 Multiply 5 * 2 10ins * x * cos * x + cos(5x) * sin(2x) = -0.8 Multiply ins * x 10insx * cos * x + cos(5x) * sin(2x) = -0.8 Multiply insx * cos 10cinos2x * x + cos(5x) * sin(2x) = -0.8 Multiply cinos2x * x 10cinos2x2 + cos(5x) * sin(2x) = -0.8 Remove parenthesis around (5x) 10cinos2x2 + cos * 5x * sin(2x) = -0.8 Remove parenthesis around (2x) 10cinos2x2 + cos * 5x * ins * 2x = -0.8 Reorder the terms for easier multiplication: 10cinos2x2 + 5 * 2cos * x * ins * x = -0.8 Multiply 5 * 2 10cinos2x2 + 10cos * x * ins * x = -0.8 Multiply cos * x 10cinos2x2 + 10cosx * ins * x = -0.8 Multiply cosx * ins 10cinos2x2 + 10cinos2x * x = -0.8 Multiply cinos2x * x 10cinos2x2 + 10cinos2x2 = -0.8 Combine like terms: 10cinos2x2 + 10cinos2x2 = 20cinos2x2 20cinos2x2 = -0.8 Solving 20cinos2x2 = -0.8 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '20inos2x2'. c = -0.04i-1n-1o-1s-2x-2 Simplifying c = -0.04i-1n-1o-1s-2x-2
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