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Simplifying sin(3x + 20) = -1cos(x + 10) Reorder the terms: ins(20 + 3x) = -1cos(x + 10) (20 * ins + 3x * ins) = -1cos(x + 10) (20ins + 3insx) = -1cos(x + 10) Reorder the terms: 20ins + 3insx = -1cos(10 + x) 20ins + 3insx = (10 * -1cos + x * -1cos) 20ins + 3insx = (-10cos + -1cosx) Solving 20ins + 3insx = -10cos + -1cosx Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Reorder the terms: 10cos + cosx + 20ins + 3insx = -10cos + -1cosx + 10cos + cosx Reorder the terms: 10cos + cosx + 20ins + 3insx = -10cos + 10cos + -1cosx + cosx Combine like terms: -10cos + 10cos = 0 10cos + cosx + 20ins + 3insx = 0 + -1cosx + cosx 10cos + cosx + 20ins + 3insx = -1cosx + cosx Combine like terms: -1cosx + cosx = 0 10cos + cosx + 20ins + 3insx = 0 Factor out the Greatest Common Factor (GCF), 's'. s(10co + cox + 20in + 3inx) = 0Subproblem 1
Set the factor 's' equal to zero and attempt to solve: Simplifying s = 0 Solving s = 0 Move all terms containing i to the left, all other terms to the right. Add '-1s' to each side of the equation. s + -1s = 0 + -1s Remove the zero: 0 = -1s Simplifying 0 = -1s The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(10co + cox + 20in + 3inx)' equal to zero and attempt to solve: Simplifying 10co + cox + 20in + 3inx = 0 Solving 10co + cox + 20in + 3inx = 0 Move all terms containing i to the left, all other terms to the right. Add '-10co' to each side of the equation. 10co + cox + 20in + -10co + 3inx = 0 + -10co Reorder the terms: 10co + -10co + cox + 20in + 3inx = 0 + -10co Combine like terms: 10co + -10co = 0 0 + cox + 20in + 3inx = 0 + -10co cox + 20in + 3inx = 0 + -10co Remove the zero: cox + 20in + 3inx = -10co Add '-1cox' to each side of the equation. cox + 20in + -1cox + 3inx = -10co + -1cox Reorder the terms: cox + -1cox + 20in + 3inx = -10co + -1cox Combine like terms: cox + -1cox = 0 0 + 20in + 3inx = -10co + -1cox 20in + 3inx = -10co + -1cox The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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