SOLUTION: Simplify the expression by using a double-angle formula.
cos^2(2 theta)- sin^2(2 theta)
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Question 1034292: Simplify the expression by using a double-angle formula.
cos^2(2 theta)- sin^2(2 theta)
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
By a direct application of the double-angle identity, .
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