Question 861015
{{{2sint(2t)-tan(2t)=0}}}
{{{2sin(2t)-sin(2t)/cos(2t)=0}}}
{{{sin(2t)(2-1/cos(2t))=0}}}
Two solutions:
{{{sin(2t)=0}}}
{{{2t=0}}} and {{{2t=pi}}}
{{{t=0}}} and {{{t=pi/2}}}
and
{{{2-1/cos(2t)=0}}}
{{{1/cos(2t)=2}}}
{{{cos(2t)=1/2}}}
{{{2t=pi/3}}} and {{{2t=(5/3)pi}}}
{{{t=pi/6}}} and {{{t=(5/6)pi}}}