SOLUTION: What reference angle in the first quadrant corresponds to theta=-120? Answer in radians.

Algebra ->  Trigonometry-basics -> SOLUTION: What reference angle in the first quadrant corresponds to theta=-120? Answer in radians.       Log On


   



Question 1014400: What reference angle in the first quadrant corresponds to theta=-120? Answer in radians.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What reference angle in the first quadrant corresponds to theta=-120? Answer in radians.
----
The reference angle is the angle between the given angle
and the closest segment of the horizontal axis.
----
Your problem.
-120 is in the 3rd Quadrant and is 60 degrees from the x-axis.
-----
Ans: 60 degrees or pi/3
---------------
Cheers,
Stan H.