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Mathematics 7 Online
OpenStudy (anonymous):

where does cos(theta)=-1?

OpenStudy (anonymous):

Pi, 3pi, 5pi

OpenStudy (anonymous):

2n+1 pi

OpenStudy (anonymous):

http://www.mathpeer.com/images/trig/unit_circle.gif

OpenStudy (anonymous):

bam x=cos y=sin like i said before that should answer all your questions like this

OpenStudy (anonymous):

bam awesome

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