Question 1130520


 {{{g(x)=cos(x )}}}
{{{h(x)=2x }}}

{{{h(g(x))=h(2x)}}}

{{{h(2x)=cos(2x )}}}


{{{h(g(x))}}}[{{{11pi/3}}}] 

{{{h(g(x))=cos(2(11pi/3) )}}}

{{{h(g(x))=-1/2}}}