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Mathematics 10 Online
OpenStudy (anonymous):

Will Medal and Fan cos^−1 1, is the answer 1?

OpenStudy (math&ing001):

cos-1(1) = 0 + 2*k*pi k in \(\mathbb{Z}\)

OpenStudy (anonymous):

How'd you get 0 for the answer?

OpenStudy (loser66):

|dw:1426954114989:dw|

OpenStudy (loser66):

|dw:1426954256946:dw|

OpenStudy (loser66):

|dw:1426954312370:dw|

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