Question: rify the identity algebraically. Use a graphing utility to check your result graphically. sin () 2 COS == sin 9 e a Product-to-Sum Formula,
rify the identity algebraically. Use a graphing utility to check your result graphically. sin () 2 COS == sin 9 e a Product-to-Sum Formula, and then simplify. sin sin() cos()-(+)+[ COS () = =
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