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Mathematics 4 Online
OpenStudy (anonymous):

Help! Determine and sketch the principal angle for the reference angle 35° and quadrant II.

OpenStudy (anonymous):

Generally, a reference angle means a supplementary angle that exists in the quadrant in question. Ususally, when you're being asked unit circle questions like this, you're trying to find the angle from the positive x-axis to the line you are given. Does this make sense?

OpenStudy (anonymous):

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