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Mathematics 20 Online
OpenStudy (jackiee):

Round to four decimal places. sin 21 degree

OpenStudy (callisto):

Can you use a calculator?

OpenStudy (jackiee):

no i don't have one or i would have and every time i try to use one from online my computer freezes

OpenStudy (anonymous):

http://www.wolframalpha.com/input/?i=sin+21

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