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Simplifying 2 + cos(4x) = 2sin2(x) Remove parenthesis around (4x) 2 + cos * 4x = 2sin2(x) Reorder the terms for easier multiplication: 2 + 4cos * x = 2sin2(x) Multiply cos * x 2 + 4cosx = 2sin2(x) Multiply in2s * x 2 + 4cosx = 2in2sx Solving 2 + 4cosx = 2in2sx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 4cosx = -2 + 2in2sx Combine like terms: 2 + -2 = 0 0 + 4cosx = -2 + 2in2sx 4cosx = -2 + 2in2sx Divide each side by '4osx'. c = -0.5o-1s-1x-1 + 0.5in2o-1 Simplifying c = -0.5o-1s-1x-1 + 0.5in2o-1 Reorder the terms: c = 0.5in2o-1 + -0.5o-1s-1x-1
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