Question: solve Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. 1 - cos(200) (a) 2 1 - cos(100) (b) 2

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Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. 1 - cos(200) (a) 2 1 - cos(100) (b) 2

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