Question 353499
{{{csc^2(x)=2}}}
{{{1/sin^2(x)=2}}}
{{{sin^2(x)=1/2}}}
{{{sin(x)=0 +- sqrt(2)/2}}}
{{{x=pi/4}}}, {{{(3*pi)/4}}}, {{{(5*pi)/4}}}, {{{(7*pi)/4}}}