Question 870606
{{{(tan(theta)-1)(cos(theta)-1) = 0}}}
Two solutions:
{{{tan(theta)-1=0}}}
{{{tan(theta)=1}}}
{{{theta=pi/4}}} and {{{theta=(5/4)pi}}}
and
{{{cos(theta)-1 = 0}}}
{{{cos(theta)=1}}}
{{{theta=pi/2}}}