Question #3ebb4
1 Answer
Jan 6, 2018
Explanation:
#"note that "sinx=sin(x+360)#
#rArrsin(-240)#
#=sin(-240+360)=sin120=sin60=sqrt3/2#
#"note that "sinx=sin(x+360)#
#rArrsin(-240)#
#=sin(-240+360)=sin120=sin60=sqrt3/2#