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Physics 4 Online
OpenStudy (anonymous):

HELPU! Per definition; cos(w' 2T) is always equal to one. Why? There is no explanation to why it will always be one. How can w'2T always result into one? ( Attachment )

OpenStudy (anonymous):

OpenStudy (anonymous):

I asked the same question here ( http://openstudy.com/study#/updates/55e571ede4b03567e110d72b ) and got an answer; but realized that w is derived! How can a derived w' cancel out a w?

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