Posted by Ashwin on Sunday, May 15, 2011 at 2:44pm.
Given cos X = -0.147, find two possible values for X that are not co-terminal.
Algebra 2 / Trig - Reiny, Sunday, May 15, 2011 at 3:00pm
X = appr. 98.45° or X = 261.55°
The first of these in in quadrant II, the second is in III, thus they are not coterminal.
Algebra 2 / Trig - Ashwin, Sunday, May 15, 2011 at 3:06pm
Thank you. Can you explain how to do this?