How do you integrate $\displaystyle \int cos^2(x) dx$
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Originally Posted by looseenz2 How do you integrate $\displaystyle \int cos^2(x) dx$ Hint: $\displaystyle \cos^2x=\tfrac{1}{2}+\tfrac{1}{2}\cos\!\left(2x\ri ght)$ Can you proceed?
Ahh yes, I see it now. Thank you! =]
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