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 31pi18 Find a positive and negative coterminal angle for each given angle 7 116 degrees 8 19pi over 18 19p class=
Q&A Education