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Simplifying 4cos(x) + sin2(x) + -1 = 0 Multiply cos * x 4cosx + sin2(x) + -1 = 0 Multiply in2s * x 4cosx + in2sx + -1 = 0 Reorder the terms: -1 + 4cosx + in2sx = 0 Solving -1 + 4cosx + in2sx = 0 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 + 4cosx + 1 + in2sx = 0 + 1 Reorder the terms: -1 + 1 + 4cosx + in2sx = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 4cosx + in2sx = 0 + 1 4cosx + in2sx = 0 + 1 Combine like terms: 0 + 1 = 1 4cosx + in2sx = 1 Add '-1in2sx' to each side of the equation. 4cosx + in2sx + -1in2sx = 1 + -1in2sx Combine like terms: in2sx + -1in2sx = 0 4cosx + 0 = 1 + -1in2sx 4cosx = 1 + -1in2sx Divide each side by '4osx'. c = 0.25o-1s-1x-1 + -0.25in2o-1 Simplifying c = 0.25o-1s-1x-1 + -0.25in2o-1 Reorder the terms: c = -0.25in2o-1 + 0.25o-1s-1x-1
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