SOLUTION: If 4cos^2(x) + 3sin(2x) is equivalent to A + Rcos(2x-y), find the values of A,R and y.

Question 1027793: If 4cos^2(x) + 3sin(2x) is equivalent to A + Rcos(2x-y), find the values of A,R and y.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!

=
=
=, where
, , and .
Therefore,
A = 2, , and .
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