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Simplifying 7sin(2x) + -6 = 2cos2(x) Remove parenthesis around (2x) 7ins * 2x + -6 = 2cos2(x) Reorder the terms for easier multiplication: 7 * 2ins * x + -6 = 2cos2(x) Multiply 7 * 2 14ins * x + -6 = 2cos2(x) Multiply ins * x 14insx + -6 = 2cos2(x) Reorder the terms: -6 + 14insx = 2cos2(x) Multiply cos2 * x -6 + 14insx = 2cos2x Solving -6 + 14insx = 2cos2x Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + 14insx = 6 + 2cos2x Combine like terms: -6 + 6 = 0 0 + 14insx = 6 + 2cos2x 14insx = 6 + 2cos2x Divide each side by '14nsx'. i = 0.4285714286n-1s-1x-1 + 0.1428571429cn-1os Simplifying i = 0.4285714286n-1s-1x-1 + 0.1428571429cn-1os Reorder the terms: i = 0.1428571429cn-1os + 0.4285714286n-1s-1x-1
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