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Simplifying 4cos2(2t) + -4sin2(2t) = 4 Remove parenthesis around (2t) 4cos2 * 2t + -4sin2(2t) = 4 Reorder the terms for easier multiplication: 4 * 2cos2 * t + -4sin2(2t) = 4 Multiply 4 * 2 8cos2 * t + -4sin2(2t) = 4 Multiply cos2 * t 8cos2t + -4sin2(2t) = 4 Remove parenthesis around (2t) 8cos2t + -4in2s * 2t = 4 Reorder the terms for easier multiplication: 8cos2t + -4 * 2in2s * t = 4 Multiply -4 * 2 8cos2t + -8in2s * t = 4 Multiply in2s * t 8cos2t + -8in2st = 4 Solving 8cos2t + -8in2st = 4 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '8in2st' to each side of the equation. 8cos2t + -8in2st + 8in2st = 4 + 8in2st Combine like terms: -8in2st + 8in2st = 0 8cos2t + 0 = 4 + 8in2st 8cos2t = 4 + 8in2st Divide each side by '8os2t'. c = 0.5o-1s-2t-1 + in2o-1s-1 Simplifying c = 0.5o-1s-2t-1 + in2o-1s-1 Reorder the terms: c = in2o-1s-1 + 0.5o-1s-2t-1
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