Question 336544
{{{2sin(theta)cos(theta) - cos(theta) = 0}}}
{{{cos(theta)*(2sin(theta) -1)= 0}}}
Two solutions:
{{{cos(theta)=0}}}
{{{theta=pi/2}}}, {{{(3pi)/2}}}
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{{{2sin(theta)-1=0}}}
{{{2sin(theta)=1}}}
{{{sin(theta)=1/2}}}
{{{theta=pi/6}}}, {{{5pi/6}}}