Asked by Ashwin

Given cos X = -0.147, find two possible values for X that are not co-terminal.
Answered by Reiny
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.
Answered by Ashwin
Thank you. Can you explain how to do this?
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