Question 175639
{{{csc(135)=1/sin(135)=1/(sqrt(2)/2)=1*(2/sqrt(2))=2/sqrt(2)}}}



From there, you can simplify {{{2/sqrt(2)}}} to get


{{{(2/sqrt(2))(sqrt(2)/sqrt(2))=(2*sqrt(2))/(sqrt(2)sqrt(2))=(2*sqrt(2))/2=sqrt(2)}}}




So {{{csc(135)=sqrt(2)}}}