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English 9 Online
OpenStudy (anonymous):

sin^2(pi/7)+cos^2(pi/7)?

OpenStudy (bioepic):

Sin^2 + cos^2 is always 1, right? So the answer should be one.

OpenStudy (bioepic):

Don't trust me, i'm in Alg 2/trig and I don't know a whole lot. A lot of my freshman friends are in Calc bc :| They are crazy good at math. I'm good at science :P

OpenStudy (bioepic):

Medal pls! and If you have any science questions just message or tag me.

OpenStudy (bioepic):

Hello? Are you there? @gorri

OpenStudy (anonymous):

yup, m here

OpenStudy (anonymous):

it,s pi/7

OpenStudy (arabpride):

http://openstudy.com/study#/groups/Mathematics

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