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  3. which of the following is equivalent to cos 2x cos

Which of the following is equivalent to cos 2x COS X 1 cos x sin...

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Basic Math

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Which of the following is equivalent to cos 2x COS X 1 cos x sin x tan x 2 cotx III 2cos x sec x II 2sinx OI only OI and II OI and III OI II and III

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