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Which double-angle or half-angle identity would you use to verify that sin2x/2sin^2x=cotx
asked
Mar 27, 2017
Mathematics
high-school
2
answers
5
votes
156k
views
The two most important new technologies that enabled the development of the skyscraper were
asked
Mar 27, 2016
History
high-school
2
answers
4
votes
88.4k
views
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