Question: Use the formula for lowering the powers to simplify the expression a If cos 4x sin 4x cos f x then f x b If

 Use the formula for lowering the powers to simplify the expression

a If cos 4x sin 4x cos f x then f x

Use the formula for lowering the powers to simplify the expression a If cos 4x sin 4x cos f x then f x b If cos 4x sin 4x cos g x then g x Hint For part b use a b a b a 6

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