B Bobby New member Mar 26, 2010 #1 sin(x/2)=-(?3)/2 Remember that sin(x)/2=+-(?1-cos(x)/?2) (positive and negative) my main dillema is that I think there would be no values for the negative, as squaring both sides would get rid of the negative.
sin(x/2)=-(?3)/2 Remember that sin(x)/2=+-(?1-cos(x)/?2) (positive and negative) my main dillema is that I think there would be no values for the negative, as squaring both sides would get rid of the negative.
