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Mathematics 13 Online
OpenStudy (anonymous):

Given that sinx = 3/5, what is the value of tan(x/2)?

jimthompson5910 (jim_thompson5910):

have a look at these identities http://dj1hlxw0wr920.cloudfront.net/userfiles/wyzfiles/1a9b4ee7-f68f-421c-acdc-b3d7465842ac.png

OpenStudy (anonymous):

Ah, my thanks! For some reason I couldn't find an appropriate identity for this one.

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