Question 838547
{{{ csc^2x - 2cotx = 0 }}}
{{{1/sin^2(x)-2cos(x)/sin(x)=0}}}
LCD:sin^2(x)
{{{1-2cos(x)sin(x)=0}}}
{{{1-sin(2x)=0}}}
sin(2x)=1
2x=π/2
x=π/4