Find the reference angle for -72 degrees

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asked Dec 22, 2019 217k views

2 Answers

Aman Kumar Gupta · Answer 1 · 2019-12-28T21:45:30+0000

Since the angle 144° is in the second quadrant, the reference angle formula is Ar=180°−Ac A r = 180 ° - A c . The reference angle is Ar=36° A r = 36 °

Find the reference angle for -72 degrees

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