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Simplifying 2cos(2t) + -1sin(t) = 0 Remove parenthesis around (2t) 2cos * 2t + -1sin(t) = 0 Reorder the terms for easier multiplication: 2 * 2cos * t + -1sin(t) = 0 Multiply 2 * 2 4cos * t + -1sin(t) = 0 Multiply cos * t 4cost + -1sin(t) = 0 Multiply ins * t 4cost + -1inst = 0 Solving 4cost + -1inst = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add 'inst' to each side of the equation. 4cost + -1inst + inst = 0 + inst Combine like terms: -1inst + inst = 0 4cost + 0 = 0 + inst 4cost = 0 + inst Remove the zero: 4cost = inst Divide each side by '4ost'. c = 0.25ino-1 Simplifying c = 0.25ino-1
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