Question: In Problems 5172, establish each identity. sin (30) sine cos (30) cos

In Problems 51–72, establish each identity.

sin (30) sine cos (30) cos

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To establish the identity sin3sin cos3cos 2 we will use trigonometric identities and algebraic manipulation Lets start with the lefthand side LHS of the expression LHS sin3sin cos3cos To manipulate th... View full answer

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