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Simplifying sin2x + 3cosx + 9 = 0 Reorder the terms: 9 + 3cosx + in2sx = 0 Solving 9 + 3cosx + in2sx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + 3cosx + -9 + in2sx = 0 + -9 Reorder the terms: 9 + -9 + 3cosx + in2sx = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 3cosx + in2sx = 0 + -9 3cosx + in2sx = 0 + -9 Combine like terms: 0 + -9 = -9 3cosx + in2sx = -9 Add '-1in2sx' to each side of the equation. 3cosx + in2sx + -1in2sx = -9 + -1in2sx Combine like terms: in2sx + -1in2sx = 0 3cosx + 0 = -9 + -1in2sx 3cosx = -9 + -1in2sx Divide each side by '3osx'. c = -3o-1s-1x-1 + -0.3333333333in2o-1 Simplifying c = -3o-1s-1x-1 + -0.3333333333in2o-1 Reorder the terms: c = -0.3333333333in2o-1 + -3o-1s-1x-1
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