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Mathematics 16 Online
OpenStudy (ksaimouli):

answer this one ver easy

OpenStudy (anonymous):

answer lmao

OpenStudy (ksaimouli):

|dw:1326227421039:dw|

OpenStudy (anonymous):

OMG VERY EASY AWESOME!

OpenStudy (ksaimouli):

\[\cos^-1=\left(\begin{matrix}-1 \\ \sqrt{2}\end{matrix}\right)\]

OpenStudy (anonymous):

What's the question?

OpenStudy (ksaimouli):

hm slove

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