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Mathematics 8 Online
OpenStudy (anonymous):

What is tanθ= π? What is tanθ= -π? What is sinθ=-π? What is cosθ=-π?

OpenStudy (jdoe0001):

check your Unit Circle

OpenStudy (anonymous):

I don't know it.

OpenStudy (anonymous):

-.-

OpenStudy (jdoe0001):

well, then you'd just need a good Unit Circle, http://www.math.ufl.edu/~gatormm/SP11_MAC1114/My_Unit_Circle.png

OpenStudy (anonymous):

pi is positive though...

OpenStudy (jdoe0001):

|dw:1377818371580:dw|

OpenStudy (jdoe0001):

|dw:1377818430475:dw|

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