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11 Dec 2019
Find the exact value of ![](https://s3.amazonaws.com/prealliance-textbook-qa.oneclass.com/qa_images/homework_help/question/qa_images/124582560565225/question/0.png?img=1e8a13a67c1346f3832bf0066de71b17)
using the half-angle formula.
Find the exact value of
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Liendon Joey ParrenoLv8
4 Nov 2020