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Mathematics 11 Online
OpenStudy (anonymous):

find the reference angle for the given angle: -30 degrees

Directrix (directrix):

30 degrees. ====== http://www.howe-two.com/mathematicat/reference.html

OpenStudy (anonymous):

ty for the link

Directrix (directrix):

If that one is confusing, I will look for a better one.

OpenStudy (anonymous):

i understand it but i need something that teaches about reference angles when the angle is negative and in radians

OpenStudy (anonymous):

*and should be or

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