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Mathematics 23 Online
OpenStudy (anonymous):

How do find the arctan(2?

OpenStudy (anonymous):

|dw:1418399489298:dw| isn't this the tangent basically?

OpenStudy (anonymous):

I though the radius of the unit circle was 1, so I'm not sure how to find a value >1 using arctan. I've watched the Khan academy video already and I'm still lost.

OpenStudy (perl):

for this its easier to use a plain triangle

OpenStudy (perl):

|dw:1418399729416:dw|

OpenStudy (perl):

|dw:1418399840942:dw|

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