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Simplifying Sin(2x + 5) = cos(5x + 20) Reorder the terms: inS(5 + 2x) = cos(5x + 20) (5 * inS + 2x * inS) = cos(5x + 20) (5inS + 2inxS) = cos(5x + 20) Reorder the terms: 5inS + 2inxS = cos(20 + 5x) 5inS + 2inxS = (20 * cos + 5x * cos) 5inS + 2inxS = (20cos + 5cosx) Solving 5inS + 2inxS = 20cos + 5cosx Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Reorder the terms: -20cos + -5cosx + 5inS + 2inxS = 20cos + 5cosx + -20cos + -5cosx Reorder the terms: -20cos + -5cosx + 5inS + 2inxS = 20cos + -20cos + 5cosx + -5cosx Combine like terms: 20cos + -20cos = 0 -20cos + -5cosx + 5inS + 2inxS = 0 + 5cosx + -5cosx -20cos + -5cosx + 5inS + 2inxS = 5cosx + -5cosx Combine like terms: 5cosx + -5cosx = 0 -20cos + -5cosx + 5inS + 2inxS = 0 The solution to this equation could not be determined.
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