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Simplifying 1 + -1cos2(3x) = sin2(3x) Remove parenthesis around (3x) 1 + -1cos2 * 3x = sin2(3x) Reorder the terms for easier multiplication: 1 + -1 * 3cos2 * x = sin2(3x) Multiply -1 * 3 1 + -3cos2 * x = sin2(3x) Multiply cos2 * x 1 + -3cos2x = sin2(3x) Remove parenthesis around (3x) 1 + -3cos2x = in2s * 3x Reorder the terms for easier multiplication: 1 + -3cos2x = 3in2s * x Multiply in2s * x 1 + -3cos2x = 3in2sx Solving 1 + -3cos2x = 3in2sx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -3cos2x = -1 + 3in2sx Combine like terms: 1 + -1 = 0 0 + -3cos2x = -1 + 3in2sx -3cos2x = -1 + 3in2sx Divide each side by '-3os2x'. c = 0.3333333333o-1s-2x-1 + -1in2o-1s-1 Simplifying c = 0.3333333333o-1s-2x-1 + -1in2o-1s-1 Reorder the terms: c = -1in2o-1s-1 + 0.3333333333o-1s-2x-1
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