Hi, I need to.........

find the reference angle for an angle of 220 degrees.

--and-

Fine the reference angle for an angle of 5pi / 3

THANK YOU!

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- Jun 21st 2005, 12:51 PMJustardmsReference angle
Hi, I need to.........

find the reference angle for an angle of 220 degrees.

--and-

Fine the reference angle for an angle of 5pi / 3

THANK YOU! - Jun 21st 2005, 04:53 PMMathGurureference angle
If you imagine the unit circle a reference angle is the smallest angle difference between the given angle and the x-axis (which is at 0 or 180 degrees).

In the case of 220 it is closest to 180 so the reference angle is 40 degrees