Question 1132597

 Rewrite {{{sin(x+pi/4)}}} in terms of {{{sin(x)}}} and {{{cos(x)}}}:

{{{sin(x+pi/4)}}}


= {{{sin(x) cos(pi/4) + cos(x) sin(pi/4)}}}


= {{{sin(x) (1/sqrt(2)) + cos(x)(1/sqrt(2))}}}


={{{sin(x)/sqrt(2) + cos(x)/sqrt(2)}}}


={{{(sin(x)+ cos(x))/sqrt(2)}}}