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Simplifying 8cos4(x) + sin2(x) + -7 = 0 Multiply cos4 * x 8cos4x + sin2(x) + -7 = 0 Multiply in2s * x 8cos4x + in2sx + -7 = 0 Reorder the terms: -7 + 8cos4x + in2sx = 0 Solving -7 + 8cos4x + in2sx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 8cos4x + 7 + in2sx = 0 + 7 Reorder the terms: -7 + 7 + 8cos4x + in2sx = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 8cos4x + in2sx = 0 + 7 8cos4x + in2sx = 0 + 7 Combine like terms: 0 + 7 = 7 8cos4x + in2sx = 7 Add '-1in2sx' to each side of the equation. 8cos4x + in2sx + -1in2sx = 7 + -1in2sx Combine like terms: in2sx + -1in2sx = 0 8cos4x + 0 = 7 + -1in2sx 8cos4x = 7 + -1in2sx Divide each side by '8os4x'. c = 0.875o-1s-4x-1 + -0.125in2o-1s-3 Simplifying c = 0.875o-1s-4x-1 + -0.125in2o-1s-3 Reorder the terms: c = -0.125in2o-1s-3 + 0.875o-1s-4x-1
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