Question: Show that y = Asin 2t + Bcos2t may be written as y = Csin(2t + a), where C= A+ B and tana = BIA.

Show that y = Asin 2t + Bcos2t may be written as

y = Csin(2t + a), where C= A+ B and tana =

y = Csin(2t + a), where C= A+ B and tana = BIA.

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