Prove that sin(k )= [sin(n /2)sin((n+1) /2)]/sin /2)
Follow Math Help Forum on Facebook and Google+
Originally Posted by LCopper2010 Prove that sin(k )= [sin(n /2)sin((n+1) /2)]/sin /2) Easy way?
I still don't really understand...could you elaborate a bit? Thanks!
Originally Posted by LCopper2010 I still don't really understand...could you elaborate a bit? Thanks! I'm not going to tell you the answer, but maybe a helpful hint is in order. Remember the geometric sum formula.
View Tag Cloud