Convert -60° to radians. express the answer as a multiple of p
p
To convert degrees to radians, put degrees over 1 and multiply by ——————
180°
180°
To convert radians to degrees, multiply by ——————
p
This problem is to convert degrees to radians, so,
-60°
Put -60° over 1: ——————
1
p
Multiply by ——————
180°
-60° p
—————— · ——————
1 180°
Divide the -60° on top and the
180° on the bottom both by 60°
-1
-60° p
—————— · ——————
1 180°
3
-1p p
————— or - ———
3 3
Edwin