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15 Apr 2020
If 
is in standard position, then the reference angle is the acute angle formed by the terminal side of and the ______. So the reference angle for 
is 
, and that for 
is 
.
If is in standard position, then the reference angle is the acute angle formed by the terminal side of and the ______. So the reference angle for is , and that for is .
Trinidad TremblayLv2
29 May 2020
and the x-axis.
is a point on the terminal side of 
is the distance from the origin to 
, then
___________
___________
and 
