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Algebra 19 Online
OpenStudy (anonymous):

reference angle for -315

OpenStudy (luigi0210):

Reference angle is the one closet to the x-axis, and is always positive:: |dw:1391732426635:dw| Excuse the terrible drawing.. but you need to find that angle

OpenStudy (anonymous):

So it would be 45 dgrees

OpenStudy (luigi0210):

yup~

OpenStudy (anonymous):

Okay that's what I put but I was unsure. Thanks

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