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Simplifying 2 + 7cos(x) = 4sin2(x) Multiply cos * x 2 + 7cosx = 4sin2(x) Multiply in2s * x 2 + 7cosx = 4in2sx Solving 2 + 7cosx = 4in2sx 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 + 7cosx = -2 + 4in2sx Combine like terms: 2 + -2 = 0 0 + 7cosx = -2 + 4in2sx 7cosx = -2 + 4in2sx Divide each side by '7osx'. c = -0.2857142857o-1s-1x-1 + 0.5714285714in2o-1 Simplifying c = -0.2857142857o-1s-1x-1 + 0.5714285714in2o-1 Reorder the terms: c = 0.5714285714in2o-1 + -0.2857142857o-1s-1x-1
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