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Simplifying cos2(2x) + 2sin2(2x) = 2 Remove parenthesis around (2x) cos2 * 2x + 2sin2(2x) = 2 Reorder the terms for easier multiplication: 2cos2 * x + 2sin2(2x) = 2 Multiply cos2 * x 2cos2x + 2sin2(2x) = 2 Remove parenthesis around (2x) 2cos2x + 2in2s * 2x = 2 Reorder the terms for easier multiplication: 2cos2x + 2 * 2in2s * x = 2 Multiply 2 * 2 2cos2x + 4in2s * x = 2 Multiply in2s * x 2cos2x + 4in2sx = 2 Solving 2cos2x + 4in2sx = 2 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-4in2sx' to each side of the equation. 2cos2x + 4in2sx + -4in2sx = 2 + -4in2sx Combine like terms: 4in2sx + -4in2sx = 0 2cos2x + 0 = 2 + -4in2sx 2cos2x = 2 + -4in2sx Divide each side by '2os2x'. c = o-1s-2x-1 + -2in2o-1s-1 Simplifying c = o-1s-2x-1 + -2in2o-1s-1 Reorder the terms: c = -2in2o-1s-1 + o-1s-2x-1
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