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OpenStudy (anonymous):
Solve 2cos^2Θ/2 = cos2Θ for 0º≤Θ≤360º.
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OpenStudy (anonymous):
I tried graphing it to solve, but I must be doing something wrong because none of my answers match
OpenStudy (jdoe0001):
\(\bf \cfrac{2cos^2(2\theta)}{2}=cos(2\theta)\quad ?\)
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