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Mathematics 10 Online
OpenStudy (anonymous):

find the exact value of sin(pi/12) , cos(pi/12) , and tan(pi/12) using half angle formula.

OpenStudy (jamesj):

I already told you how to start this problem under your other username deejayy.

OpenStudy (jamesj):

http://openstudy.com/study#/updates/4f2588fde4b0a2a9c266f69f In any case, you really shouldn't ask the same question twice.

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