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5 votes
Find the reference angle

5) -490 degrees
6) 31pi over 18
(31pi/18)
Find a positive and negative coterminal angle for each given angle
7) 116 degrees
8) 19pi over 18
(19pi/18)

Find the reference angle 5) -490 degrees 6) 31pi over 18 (31pi/18) Find a positive-example-1

1 Answer

3 votes
Nineteen pie over eighteen
User Tiendv
by
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