SOLUTION: Find the negative angles between -360 degrees and 0 degrees for arc cos (-1/2).

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Question 33838: Find the negative angles between -360 degrees and 0 degrees for arc cos (-1/2).
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The reference angel is 60 degrees.
The negative angels between -360
and 0 degrees are in the 3rd and 2nd quadrants.
Then must be -180+60=-120 degrees
and -180-60=-240 degrees.
Cheers,
Stan H.